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100+ Core Ocean Solutions Interview Questions and Answers

Updated 22 Nov 2024
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Q1. What is the unit of electric current

Ans.

The unit of electric current is Ampere (A).

  • Electric current is the flow of electric charge.

  • Ampere is named after the French physicist Andre-Marie Ampere.

  • One Ampere is defined as the flow of one Coulomb of charge per second.

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Q2. What is the unit of magnetic flux

Ans.

The unit of magnetic flux is the Weber (Wb).

  • The unit of magnetic flux is named after the German physicist Wilhelm Eduard Weber.

  • One Weber is equal to one Tesla multiplied by one square meter.

  • The Weber is a derived unit in the International System of Units (SI).

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Q3. How many types of fire? Ans-There are four types of fire.

Ans.

There are four types of fire: Class A, Class B, Class C, and Class D.

  • Class A fires involve ordinary combustibles like wood, paper, and cloth.

  • Class B fires involve flammable liquids and gases like gasoline and propane.

  • Class C fires involve electrical equipment like appliances and wiring.

  • Class D fires involve combustible metals like magnesium and titanium.

  • Each type of fire requires a different type of extinguisher.

  • It's important to know the type of fire before attempting to ext...read more

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Q4. How many types of extinguisher? Ans-There are four types of extinguisher.

Ans.

There are four types of extinguishers: water, foam, powder, and CO2.

  • Water extinguishers are suitable for fires involving paper, wood, and textiles.

  • Foam extinguishers are effective on flammable liquids and electrical fires.

  • Powder extinguishers can be used on most types of fires, including flammable gases.

  • CO2 extinguishers are best for electrical fires and can also be used on flammable liquids.

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Q5. If a patient come with loss of consciousness what you do first. Ans- rbs+ patient history. If rbs low give iv glucose otherwise treat by patient symptoms..And send for investigation.

Ans.

Check RBS and patient history, give IV glucose if RBS is low, treat patient symptoms and send for investigation.

  • Check patient's blood sugar level and medical history

  • If RBS is low, give IV glucose

  • Treat patient's symptoms

  • Send patient for further investigation

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Q6. What is the difference between ideal transformer and practical transformer?

Ans.

Ideal transformer is theoretical with no losses, while practical transformer has losses due to resistance, leakage flux, etc.

  • Ideal transformer has no losses, while practical transformer has losses due to resistance, leakage flux, hysteresis, and eddy currents

  • Ideal transformer has infinite efficiency, while practical transformer has efficiency less than 100%

  • Ideal transformer has no voltage drop, while practical transformer has voltage drop due to resistance

  • Ideal transformer ha...read more

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Q7. What are the different types of gearbox?

Ans.

Different types of gearboxes include manual, automatic, CVT, DCT, and sequential gearboxes.

  • Manual gearbox: Requires manual shifting of gears by the driver.

  • Automatic gearbox: Shifts gears automatically without driver input.

  • CVT (Continuously Variable Transmission): Offers seamless gear ratio changes.

  • DCT (Dual Clutch Transmission): Utilizes two clutches for faster gear shifts.

  • Sequential gearbox: Gears are selected in sequence rather than in an H-pattern.

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Q8. Difference between angle of projections in engineering drawing.

Ans.

Angle of projections in engineering drawing refer to the angles at which an object is viewed in a 2D representation.

  • Angle of projection in engineering drawing is the angle at which the object is viewed from the observer's position.

  • There are two types of angles of projection - First Angle Projection and Third Angle Projection.

  • In First Angle Projection, the object is placed in the first quadrant and the plane of projection is between the observer and the object.

  • In Third Angle P...read more

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Q9. What is the fireman duty? Ans-fireman duty is handle the emergency situations &save the property, workers, &employees this sode.

Ans.

A fireman's duty is to handle emergency situations and save lives and property.

  • Responding to fire alarms and other emergency calls

  • Operating firefighting equipment and tools

  • Rescuing people and animals from burning buildings

  • Performing search and rescue operations

  • Providing medical assistance to injured individuals

  • Educating the public on fire safety measures

  • Conducting fire inspections to ensure compliance with safety regulations

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Q10. What is the emf equation of transformer?

Ans.

The emf equation of a transformer relates the induced voltage to the number of turns in the primary and secondary coils.

  • The emf equation of a transformer is given by: E = N*dΦ/dt, where E is the induced voltage, N is the number of turns, and dΦ/dt is the rate of change of magnetic flux.

  • This equation shows that the induced voltage in a transformer is directly proportional to the number of turns in the coils and the rate of change of magnetic flux.

  • The emf equation is important ...read more

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Q11. What are the different speed control methods for IM. How to implement these methods practically.

Ans.

Different speed control methods for IM and their practical implementation.

  • The most common method is V/F control.

  • Vector control is another method that provides high accuracy and dynamic response.

  • Direct torque control is a popular method for high-performance applications.

  • Practical implementation involves selecting the appropriate method based on the application requirements and using a suitable motor drive.

  • The motor drive should be programmed with the desired control algorithm ...read more

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Q12. what is the knee point and why it is desired that transformer operates at knee point.

Ans.

The knee point is the point on the magnetization curve where a small increase in voltage causes a large increase in current. It is desired that transformer operates at knee point for better voltage regulation.

  • Knee point is the point on the magnetization curve where the transformer core starts to saturate.

  • At the knee point, a small increase in voltage causes a large increase in current, which can lead to overheating and damage to the transformer.

  • Operating the transformer at th...read more

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Q13. What is fire? Ans-fire is a exothermic chemical reaction.

Ans.

Fire is a rapid oxidation process that releases heat and light.

  • Fire is a chemical reaction that occurs when fuel, heat, and oxygen are present.

  • It releases energy in the form of heat and light.

  • Fire can spread rapidly and can be dangerous if not controlled.

  • Examples of fuels that can cause fire include wood, gasoline, and natural gas.

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Q14. The difference between distillation column and absorption column. What factor decides the feasibility to use distillation column to separate two components?

Ans.

Distillation column separates components based on boiling points while absorption column separates based on solubility.

  • Distillation column separates components based on their boiling points while absorption column separates based on their solubility in a particular solvent.

  • Distillation column is used when the boiling points of the components to be separated are significantly different.

  • Absorption column is used when the components to be separated have similar boiling points bu...read more

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Q15. What is LEL&UEL? Ans-LEL means lower explousure limit &UEL means upper explousure limit.

Ans.

LEL and UEL are the lower and upper limits of flammable gas or vapor concentration in air that can cause an explosion.

  • LEL is the minimum concentration of a gas or vapor in air that can ignite and burn.

  • UEL is the maximum concentration of a gas or vapor in air that can ignite and burn.

  • The range between LEL and UEL is known as the flammable range.

  • If the concentration of a gas or vapor is below the LEL, it is too lean to burn.

  • If the concentration is above the UEL, it is too rich ...read more

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Q16. The name of resistant in unit

Ans.

The name of resistant in unit is Ohm.

  • Ohm is the unit of electrical resistance.

  • It is named after Georg Simon Ohm, a German physicist.

  • The symbol for Ohm is Ω.

  • It is used to measure the resistance of a material or component in an electrical circuit.

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Q17. What the final product of blast furnace? What is the composition of the iron produced and the source of high content of P? And how to reduce the content?

Ans.

The final product of a blast furnace is pig iron, which has a high carbon content. The high phosphorus content in iron is sourced from the ore and can be reduced through various methods.

  • The final product of a blast furnace is pig iron, which contains around 3-4% carbon.

  • The high phosphorus content in iron is sourced from the iron ore used in the blast furnace.

  • To reduce the phosphorus content, techniques such as fluxing agents or using low-phosphorus iron ores can be employed.

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Q18. What is the unit of magnet flux

Ans.

The unit of magnetic flux is the Weber (Wb).

  • The unit of magnetic flux is a measure of the total magnetic field passing through a given area.

  • It is represented by the symbol Wb.

  • One Weber is equal to one Tesla multiplied by one square meter.

  • The magnetic flux can be calculated by multiplying the magnetic field strength by the area it passes through.

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Q19. 1.How you can draught any structural tool in AutoCAD and Creo, after taking the geometrical dimensions!? 2.What are the measuring tool use for taking dimensions for any structural tools!?

Ans.

To draft a structural tool in AutoCAD and Creo, you can use the geometrical dimensions provided.

  • Start by creating a new drawing in AutoCAD or Creo.

  • Use the line, circle, and other drawing tools to create the basic shape of the structural tool.

  • Enter the specific dimensions provided into the appropriate fields or use the measuring tools to accurately set the dimensions.

  • Continue adding details and features to the tool, such as holes, fillets, or chamfers.

  • Use the appropriate comma...read more

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Q20. What is the Treatment of fever at home when medicine are not available? Ans- cold sponging

Ans.

Cold sponging is an effective home remedy for fever when medication is not available.

  • Use lukewarm water and a clean cloth to sponge the body

  • Avoid using cold water as it can cause shivering and increase fever

  • Repeat the process every 2-3 hours to bring down the body temperature

  • Stay hydrated by drinking plenty of fluids

  • Rest and avoid physical exertion

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Q21. The capital of bihar

Ans.

The capital of Bihar is Patna.

  • The capital city of Bihar is Patna.

  • Patna is the largest city in Bihar.

  • Patna is located on the southern bank of the Ganges River.

  • It is an important center for trade, education, and administration in the state.

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Q22. Heat transfer rate through walls of different conductivity and of the same area of heat transfer and length

Ans.

Heat transfer rate through walls of different conductivity and of the same area of heat transfer and length

  • Heat transfer rate is directly proportional to the thermal conductivity of the material

  • Thermal conductivity is the ability of a material to conduct heat

  • Materials with high thermal conductivity transfer heat faster than those with low thermal conductivity

  • Heat transfer rate can be calculated using Fourier's law of heat conduction

  • Example: Copper has a higher thermal conduct...read more

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Q23. What is steel. And liquid temperature

Ans.

Steel is an alloy of iron and carbon. Liquid temperature depends on the type of steel.

  • Steel is a strong and durable material used in construction, manufacturing, and transportation.

  • The carbon content in steel can range from 0.2% to 2.1%.

  • The liquid temperature of steel varies depending on the type of steel and its composition.

  • Some common types of steel include carbon steel, stainless steel, and alloy steel.

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Q24. Iron carbon diagram explanation

Ans.

Iron carbon diagram shows the phases of iron and carbon at different temperatures.

  • Iron carbon diagram is a graphical representation of the phases of iron and carbon at different temperatures.

  • It shows the relationship between temperature, carbon content, and the phases present in the material.

  • The diagram typically includes regions for austenite, ferrite, cementite, and pearlite.

  • It is used in metallurgy to understand the behavior of iron-carbon alloys during heating and cooling...read more

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Q25. What is your favorite engineering subject?

Ans.

My favorite engineering subject is mechanical engineering.

  • I enjoy learning about the principles of mechanics and how they are applied in designing and building machines.

  • I find the study of thermodynamics fascinating, especially in relation to energy conversion and heat transfer.

  • I appreciate the hands-on nature of mechanical engineering, as it allows me to work with tools and prototypes.

  • I am particularly interested in the field of robotics and automation, where mechanical engi...read more

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Q26. What is current transformer?

Ans.

A current transformer is a type of instrument transformer used to measure alternating current.

  • Used to step down high currents to a lower, more manageable level for measurement

  • Consists of a primary winding and a secondary winding

  • Secondary winding is connected to measuring instruments or protective relays

  • Provides accurate current measurement without affecting the main circuit

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Q27. What problems are faced in case of lack of product planning?

Ans.

Lack of product planning can lead to various problems.

  • Difficulty in meeting customer demands

  • Increased production costs

  • Inability to compete with competitors

  • Waste of resources

  • Inefficient use of time

  • Inability to forecast sales

  • Difficulty in setting prices

  • Inability to identify target market

  • Inability to differentiate from competitors

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Q28. The name of magnetic field unit

Ans.

The unit of magnetic field is called Tesla (T).

  • Tesla is named after the famous inventor and physicist Nikola Tesla.

  • It is used to measure the strength of magnetic fields.

  • One Tesla is equal to one Weber per square meter.

  • Commonly used prefixes for Tesla are milliTesla (mT) and microTesla (µT).

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Q29. Define heat treatment ?

Ans.

Heat treatment is a process used to alter the physical and sometimes chemical properties of a material through heating and cooling.

  • Heat treatment involves heating a material to a specific temperature, holding it at that temperature for a certain amount of time, and then cooling it at a controlled rate.

  • The purpose of heat treatment is to improve the material's hardness, strength, toughness, ductility, and other properties.

  • Common heat treatment processes include annealing, temp...read more

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Q30. Electric Trasformar What is ohm law

Ans.

Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage across it and inversely proportional to its resistance.

  • Ohm's Law is represented by the formula V = IR, where V is voltage, I is current, and R is resistance.

  • It helps in calculating the relationship between voltage, current, and resistance in an electrical circuit.

  • It is named after the German physicist Georg Simon Ohm who first formulated it in 1827.

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Q31. WHAT IS THE UNIT OF ELECTRIC

Ans.

The unit of electric charge is the coulomb (C).

  • The unit of electric charge is a fundamental quantity in physics.

  • It is denoted by the symbol 'Q'.

  • One coulomb is equal to the charge of approximately 6.242 × 10^18 electrons.

  • Electric charge is measured using an instrument called an electrometer.

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Q32. What is pitch circular dia

Ans.

Pitch circular dia refers to the diameter of the pitch circle in a gear system.

  • Pitch circular dia is the imaginary circle that passes through the center of the gear teeth.

  • It is used to determine the size and spacing of the gear teeth.

  • The pitch circular dia is calculated using the number of teeth and the module or diametral pitch of the gear.

  • For example, in a gear system with a module of 2 and 20 teeth, the pitch circular dia would be 40mm.

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Q33. What is potential transformer

Ans.

A potential transformer is a type of instrument transformer used to step down high voltage to a lower, safer voltage for measurement or control purposes.

  • Used to step down high voltage to a lower voltage for measurement or control purposes

  • Provides accurate voltage measurements for meters and relays

  • Commonly used in power systems for protection and metering applications

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Q34. What is unit of inductor

Ans.

The unit of inductor is Henry (H)

  • The unit of inductor is named after American scientist Joseph Henry

  • It is represented by the symbol 'H'

  • 1 Henry is equal to 1 volt-second per ampere

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Q35. What is TTT Curve and why is it C shaped

Ans.

TTT Curve is a graph that shows the relationship between temperature, time, and transformation of a material.

  • TTT stands for Time-Temperature-Transformation.

  • It is used to determine the ideal heat treatment for a material.

  • The curve is C-shaped because it shows the transformation of a material from one phase to another.

  • The curve has three regions: nose, bainite, and pearlite.

  • The nose region represents the critical cooling rate for the material to transform into a specific phase....read more

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Q36. 1) How to pump type 2) who is fitting no. 10 exagonal bolt spanner 3 which type bearing

Ans.

The questions are related to machine maintenance and tools used.

  • 1) Pump type refers to the method of pumping fluids, such as centrifugal pumps or positive displacement pumps.

  • 2) Fitting a number 10 hexagonal bolt spanner means using a spanner of appropriate size to tighten or loosen a bolt with a hexagonal head.

  • 3) The type of bearing refers to the specific design and construction of the bearing, such as ball bearings, roller bearings, or plain bearings.

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Q37. What is module ?

Ans.

A module is a self-contained unit of software that performs a specific function and can be used independently or as part of a larger system.

  • A module is a component or part of a software system that can be developed, tested, and maintained separately.

  • It encapsulates a set of related functions or features that can be reused in different parts of a program.

  • Modules promote code reusability, modularity, and maintainability.

  • They can be written in different programming languages and...read more

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Q38. What work of universal coupling

Ans.

Universal coupling is a mechanical device used to connect two shafts at an angle and transmit torque.

  • Universal coupling is also known as a universal joint or U-joint.

  • It consists of two yokes connected by a cross-shaped member called a spider.

  • The spider allows the two yokes to rotate independently of each other while transmitting torque.

  • Universal couplings are commonly used in automotive drive shafts to accommodate misalignment and allow for smooth power transmission.

  • They are ...read more

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Q39. What is transformer

Ans.

A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.

  • Consists of two coils of wire (primary and secondary) wrapped around a core

  • Primary coil receives electrical energy and creates a magnetic field

  • Magnetic field induces a voltage in the secondary coil, transferring energy

  • Used to step up or step down voltage in power distribution systems

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Q40. What is voltage?

Ans.

Voltage is the difference in electric potential between two points in a circuit, measured in volts.

  • Voltage is the force that pushes electric current through a circuit.

  • It is measured in volts (V).

  • Higher voltage means more potential energy for electrons to flow.

  • Voltage can be compared to water pressure in a pipe - higher pressure (voltage) means faster flow (current).

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Q41. What is turn ratio?

Ans.

Turn ratio is the ratio of the number of turns in the primary winding to the number of turns in the secondary winding of a transformer.

  • Turn ratio determines the voltage transformation ratio in a transformer.

  • It is calculated by dividing the number of turns in the primary winding by the number of turns in the secondary winding.

  • For example, if a transformer has 100 turns in the primary winding and 200 turns in the secondary winding, the turn ratio would be 1:2.

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Q42. What is current?

Ans.

Current is the flow of electric charge in a circuit.

  • Current is measured in Amperes (A).

  • It is the rate of flow of electric charge past a point in a circuit.

  • Current can be either direct current (DC) or alternating current (AC).

  • Examples: A light bulb draws current from a power source to produce light. A fan motor requires current to spin.

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Q43. TELL ME ABOUT ARTIFICIAL INTELLIGENCE AND ITS IMPACT IN DAILY LIFE

Ans.

Artificial intelligence is the simulation of human intelligence processes by machines, impacting daily life in various ways.

  • AI is used in virtual assistants like Siri and Alexa to help with tasks and provide information.

  • AI algorithms power recommendation systems on platforms like Netflix and Amazon, suggesting content based on user preferences.

  • AI is used in autonomous vehicles to improve safety and efficiency on the roads.

  • AI is utilized in healthcare for tasks like medical im...read more

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Q44. What is rigger and what is d cycle. Types of PPE

Ans.

A rigger is a person who sets up and maintains equipment used in lifting heavy loads. D cycle refers to the process of inspecting and maintaining equipment.

  • Riggers are responsible for ensuring that equipment used for lifting heavy loads is set up and maintained properly.

  • They must be knowledgeable about different types of rigging equipment and how to use them safely.

  • D cycle refers to the process of inspecting and maintaining equipment to ensure that it is in good working condi...read more

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Q45. Type of crack. Are direct is caster problem

Ans.

Direct is caster crack is a type of crack in metallurgy caused by improper cooling during casting process.

  • Direct is caster crack is a type of hot crack that occurs during solidification of metal.

  • It is caused by improper cooling during casting process.

  • This type of crack is common in steel casting and can lead to rejection of the product.

  • Prevention measures include proper cooling and use of suitable mold materials.

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Q46. Tell me about electrical switches and gear

Ans.

Electrical switches and gear are devices used to control the flow of electricity in a circuit.

  • Electrical switches are devices that interrupt or divert the flow of electricity in a circuit.

  • Gear refers to the equipment used to support and protect electrical components, such as circuit breakers and fuses.

  • Examples of electrical switches include toggle switches, rocker switches, and push-button switches.

  • Examples of electrical gear include circuit breakers, fuses, and junction boxe...read more

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Q47. What is inductance

Ans.

Inductance is the property of an electrical circuit that opposes changes in current flow.

  • Inductance is measured in Henrys (H)

  • It is caused by the magnetic field generated when current flows through a conductor

  • Inductors are components that are designed to have a specific inductance value

  • Inductance is used in circuits to store energy in the form of a magnetic field

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Q48. What is capacitance

Ans.

Capacitance is the ability of a system to store an electric charge.

  • Capacitance is measured in farads (F).

  • It is the ability of a capacitor to store energy in an electric field.

  • Capacitance depends on the geometry of the capacitor and the dielectric material between the plates.

  • Capacitance is calculated as C = Q/V, where C is capacitance, Q is charge, and V is voltage.

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Q49. Which are planning and operations

Ans.

Planning and operations are two key aspects of production and quality management.

  • Planning involves creating a strategy for achieving production goals.

  • Operations involve executing the plan and managing day-to-day activities.

  • Planning and operations are closely linked and require effective communication and coordination.

  • Examples of planning activities include forecasting demand, scheduling production, and setting quality standards.

  • Examples of operations activities include managi...read more

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Q50. What is iron carbon daigram

Ans.

Iron carbon diagram is a graphical representation of the phases of iron and carbon at different temperatures and carbon concentrations.

  • It shows the relationship between carbon content, temperature, and the resulting microstructure of steel.

  • It is used to determine the properties of steel and to predict its behavior under different conditions.

  • It consists of three regions: austenite, ferrite, and cementite.

  • The diagram is important in the design and production of steel products.

  • F...read more

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Q51. Explain the working principle of induction motor.

Ans.

Induction motor works on the principle of electromagnetic induction to produce rotational motion.

  • The stator winding produces a rotating magnetic field.

  • The rotor winding is short-circuited and the magnetic field induces a current in it.

  • The interaction between the magnetic fields produces a torque that drives the rotor.

  • The speed of the rotor is slightly less than the speed of the rotating magnetic field.

  • Induction motors are widely used in industrial applications due to their si...read more

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Q52. Percentage of carbon in cast iron

Ans.

The percentage of carbon in cast iron varies from 2.1% to 4.0%.

  • Cast iron is a strong and brittle material used in construction and manufacturing.

  • The carbon content in cast iron gives it its unique properties.

  • Higher carbon content makes cast iron more brittle and less ductile.

  • Gray cast iron typically contains 2.1% to 4.0% carbon.

  • White cast iron has a higher carbon content, usually above 4.0%.

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Q53. How to Install Operating System?

Ans.

To install an operating system, you need to boot from installation media, follow on-screen prompts, select installation options, and wait for the process to complete.

  • Boot from installation media (USB, DVD)

  • Follow on-screen prompts to start installation process

  • Select installation options such as language, time zone, and disk partitioning

  • Wait for the installation process to complete

  • Reboot the system after installation is finished

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Q54. What is blast furnace gass

Ans.

Blast furnace gas is a byproduct of the iron-making process that contains various gases.

  • It is produced during the smelting of iron ore in a blast furnace.

  • It contains gases such as carbon monoxide, carbon dioxide, nitrogen, and hydrogen.

  • Blast furnace gas is used as a fuel in various industries, including steelmaking and power generation.

  • It can also be used for heating purposes in furnaces and boilers.

  • The composition of blast furnace gas can vary depending on the type of furnac...read more

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Q55. What are liquid assets give example.

Ans.

Liquid assets are assets that can be easily converted into cash within a short period of time.

  • Liquid assets are highly liquid and can be readily converted into cash.

  • They are typically held in the form of cash, bank accounts, and marketable securities.

  • Examples of liquid assets include cash, savings accounts, stocks, bonds, and money market funds.

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Q56. What do you mean the Networking ?

Ans.

Networking refers to the practice of connecting with professionals in your field to build relationships, share information, and seek opportunities.

  • Networking involves building relationships with professionals in your industry or field.

  • It is about sharing information, resources, and opportunities with others.

  • Networking can help you advance your career, learn new skills, and stay updated on industry trends.

  • Examples of networking include attending industry events, joining profes...read more

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Q57. Transmit the power from one shaft to another shaft

Ans.

Power can be transmitted from one shaft to another shaft using various methods.

  • Coupling the two shafts together using gears, belts, or chains

  • Using a universal joint to connect the two shafts at an angle

  • Using a fluid coupling or torque converter to transmit power

  • Directly connecting the two shafts using a clutch or brake

  • Examples include transmission systems in automobiles and power transmission in industrial machinery

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Q58. How will you pitch a new product in market

Ans.

I will pitch the new product by highlighting its unique features, benefits, and target audience to create interest and generate demand.

  • Identify the target audience and their needs

  • Highlight the unique features and benefits of the product

  • Create a compelling story around the product to engage the audience

  • Utilize various marketing channels such as social media, email marketing, and influencer partnerships

  • Offer promotions or discounts to incentivize purchase

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Q59. Say about your certificate cours.....what you know

Ans.

I have completed a certificate course in financial management which has equipped me with knowledge in areas such as budgeting, financial analysis, and reporting.

  • Completed certificate course in financial management

  • Knowledge in budgeting, financial analysis, and reporting

  • Applied concepts learned in course to real-world scenarios

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Q60. What is sap and what it's use.

Ans.

SAP is a software system used by organizations to manage business operations and customer relations.

  • SAP stands for Systems, Applications, and Products in Data Processing.

  • It integrates various business functions such as finance, sales, procurement, and human resources.

  • SAP provides real-time data processing, analytics, and reporting capabilities.

  • It helps organizations streamline processes, improve efficiency, and make data-driven decisions.

  • Examples of SAP modules include SAP ER...read more

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Q61. How to install printer?

Ans.

To install a printer, you need to connect it to the computer, install the necessary drivers, and set it as the default printer.

  • Connect the printer to the computer using a USB cable or through a network connection.

  • Download and install the printer drivers from the manufacturer's website or use the installation CD that came with the printer.

  • Go to Control Panel > Devices and Printers, click on 'Add a printer', and follow the on-screen instructions to install the printer.

  • Set the n...read more

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Q62. How to rejoin a domain?

Ans.

To rejoin a domain, you need to access the system properties, change the computer name, and then rejoin the domain.

  • Access system properties by right-clicking on 'This PC' and selecting 'Properties'.

  • Click on 'Change settings' next to the computer name.

  • Click on 'Change' to rename the computer and then click 'OK'.

  • Click on 'Change' next to 'To rename this computer or change its domain or workgroup'.

  • Enter the domain name and credentials to rejoin the domain.

  • Restart the computer fo...read more

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Q63. Tell me about ac dc motor

Ans.

AC motors run on alternating current while DC motors run on direct current. AC motors are commonly used in household appliances and industrial machinery.

  • AC motors use alternating current to generate rotational motion

  • DC motors use direct current to generate rotational motion

  • AC motors are commonly used in household appliances like fans and refrigerators

  • DC motors are commonly used in tools and toys

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Q64. what is Internat of think ?

Ans.

Internat of think refers to the process of critically analyzing and evaluating one's thoughts and beliefs.

  • Internat of think involves reflecting on one's own thoughts and beliefs

  • It requires questioning the validity and accuracy of one's beliefs

  • It involves seeking out different perspectives and considering alternative viewpoints

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Q65. What is your Mathers name ?

Ans.

My mother's name is Sarah Mathers.

  • My mother's first name is Sarah.

  • Her last name is Mathers.

  • Sarah Mathers is my mother's full name.

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Q66. How we calculate size of pulley

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Q67. How we specify the conveyor belt

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Q68. What is Transformers electronic?

Ans.

Transformers electronic refers to the electronic components and circuits used in transformers for power distribution and voltage regulation.

  • Transformers electronic involves the design and implementation of electronic circuits and components within transformers.

  • These electronic components and circuits are used for various functions such as voltage regulation, current control, and protection.

  • Examples of transformers electronic include voltage regulators, current transformers, a...read more

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Q69. The unit of electric ampere

Ans.

The unit of electric ampere is a measure of electric current.

  • The ampere is defined as one coulomb of charge passing through a conductor per second.

  • It is named after the French physicist André-Marie Ampère.

  • The symbol for ampere is A.

  • Common examples of ampere ratings include 10A for household electrical outlets and 1A for smartphone chargers.

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Q70. Type of slab direct. Type of pin hole

Ans.

The question is unclear and lacks context. More information is needed to provide an accurate answer.

  • The question needs to specify what is meant by 'slab direct' and 'pin hole'.

  • Without context, it is difficult to determine the type of slab direct or pin hole being referred to.

  • Additional information or clarification is needed to provide a proper answer.

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Q71. Explain Nucleation and Growth

Ans.

Nucleation is the formation of a new phase, while growth is the increase in size of the new phase.

  • Nucleation involves the formation of a nucleus, which is the initial building block of the new phase.

  • Growth occurs when the nucleus grows in size by the addition of more atoms or molecules.

  • Nucleation and growth are important in many fields, including materials science, chemistry, and physics.

  • Examples of nucleation and growth include the formation of crystals from a supersaturated...read more

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Q72. Difference between space and burden of blasting

Ans.

Space is the distance between blastholes, while burden is the distance from the blasthole to the free face of the rock.

  • Space is the distance between blastholes in a blast pattern.

  • Burden is the distance from the blasthole to the free face of the rock.

  • Space affects the fragmentation and distribution of the blasted material.

  • Burden influences the amount of energy transferred to the rock mass.

  • Optimal space and burden ratios are crucial for efficient blasting operations.

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Q73. Explain quenching, rolling and annealing

Ans.

Quenching, rolling, and annealing are heat treatment processes used to alter the properties of metals.

  • Quenching involves rapidly cooling a metal to increase its hardness and strength.

  • Rolling is a process where metal is passed through rollers to reduce its thickness and improve its surface finish.

  • Annealing is a heat treatment process that involves heating a metal to a specific temperature and then slowly cooling it to make it softer and more ductile.

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Q74. Why we do lagging in pulley

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Q75. How to configure Ms Outlook

Ans.

To configure Ms Outlook, you need to open the application, enter your email address and password, and set up the server settings.

  • Open Microsoft Outlook application

  • Click on 'File' tab and select 'Add Account'

  • Enter your email address and password

  • Follow the prompts to set up server settings (IMAP/POP and SMTP)

  • Click 'Finish' to complete the configuration

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Q76. Tell me about transformer

Ans.

A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

  • Transformers are used to increase or decrease voltage levels in electrical circuits.

  • They consist of two coils of wire, known as the primary and secondary coils, wrapped around a core made of ferromagnetic material.

  • Transformers are essential in power distribution systems to step up voltage for long-distance transmission and step down voltage for...read more

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Q77. What is Electric flux ?

Ans.

Electric flux is the measure of electric field passing through a given area.

  • Electric flux is a scalar quantity.

  • It is defined as the dot product of the electric field and the area vector.

  • The SI unit of electric flux is volt-meter squared (V·m²).

  • Electric flux can be positive, negative, or zero depending on the orientation of the electric field and the surface.

  • For example, if a closed surface encloses a positive charge, the electric flux through the surface is positive.

  • On the ot...read more

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Q78. How to connect RDP?

Ans.

RDP can be connected by using the Remote Desktop Connection tool on Windows.

  • Open Remote Desktop Connection tool on Windows

  • Enter the IP address or hostname of the remote computer

  • Click 'Connect' and enter the username and password of the remote computer

  • Click 'OK' to establish the RDP connection

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Q79. What is normalising

Ans.

Normalizing is the process of organizing data in a database to reduce redundancy and improve data integrity.

  • Normalizing involves breaking down data into separate tables to avoid duplication.

  • It helps in reducing data redundancy and inconsistencies.

  • Normalization ensures data integrity and makes it easier to update and maintain the database.

  • Examples include breaking down a customer table into separate tables for customer details and orders.

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Q80. What is logestic department ?

Ans.

The logistic department is responsible for managing the flow of goods, services, and information within an organization.

  • It handles the procurement, storage, and distribution of materials and products.

  • It ensures that the right products are delivered to the right place at the right time.

  • It coordinates transportation, inventory management, and order fulfillment.

  • It plays a crucial role in supply chain management and customer satisfaction.

  • Examples of logistic department activities...read more

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Q81. Types of pulley are used in conveyor

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Q82. What is current unit ?

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Q83. What is voltage unit ?

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Q84. What resistance unit ?

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Q85. What is PCC and is used

Ans.

PCC stands for Plain Cement Concrete and is used as a base for flooring, foundations, and pavements.

  • PCC is a mixture of cement, sand, and coarse aggregates.

  • It is used as a base for flooring, foundations, and pavements.

  • It provides a smooth and level surface for further construction work.

  • PCC is also used for filling up the gaps between RCC structures.

  • It is a cost-effective solution for small construction projects.

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Q86. What is quring and is used

Ans.

Curing is the process of maintaining moisture and temperature conditions for freshly placed concrete to promote its hydration and strength development.

  • Curing is essential for the strength and durability of concrete.

  • It helps prevent cracking and shrinkage.

  • Curing can be done by various methods such as water curing, membrane curing, and steam curing.

  • The duration of curing depends on the type of concrete and environmental conditions.

  • Proper curing can increase the strength of conc...read more

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Q87. Function of wide base of a steel light pole.

Ans.

The wide base of a steel light pole provides stability and support to the pole.

  • Prevents the pole from toppling over in high winds or other extreme weather conditions

  • Distributes the weight of the pole and the light fixture evenly

  • Allows for easy installation and maintenance of the pole

  • May include anchor bolts or other reinforcement to further enhance stability

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Q88. PLC programming work

Ans.

PLC programming involves designing and implementing control systems using programmable logic controllers.

  • PLC programming involves writing code to control machinery and processes

  • PLC programming requires knowledge of ladder logic, function block diagrams, and structured text

  • Examples of PLC programming applications include manufacturing, energy management, and building automation

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Q89. what are oop concepts?

Ans.

OOP concepts refer to principles in object-oriented programming such as inheritance, encapsulation, polymorphism, and abstraction.

  • Inheritance: Allows a class to inherit properties and behavior from another class.

  • Encapsulation: Bundling data and methods that operate on the data into a single unit.

  • Polymorphism: Ability for objects to be treated as instances of their parent class.

  • Abstraction: Hiding the complex implementation details and showing only the necessary features.

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Q90. Do you know about Selenium?

Ans.

Selenium is a popular tool for automating web browsers for testing purposes.

  • Selenium is used for automating web browsers to test web applications.

  • It supports multiple programming languages like Java, Python, C#, etc.

  • Selenium WebDriver is the most commonly used component for writing test scripts.

  • Selenium IDE is a record and playback tool for creating quick test scripts.

  • Selenium Grid allows running tests on different machines in parallel.

  • Selenium can interact with different bro...read more

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Q91. This type of continues casting

Ans.

I'm sorry, but the question is incomplete and lacks context.

  • Please provide more information about the type of continuous casting being referred to.

  • Without proper context, it is difficult to provide a meaningful answer.

  • It would be helpful to know the specific application or industry in question.

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Q92. Define cash flow used in Project IRR

Ans.

Cash flow used in Project IRR refers to the actual cash inflows and outflows generated by a project.

  • Cash flow used in Project IRR is the net cash generated by a project, taking into account both inflows and outflows.

  • It is used to calculate the internal rate of return (IRR) of a project, which is the discount rate that makes the net present value (NPV) of all cash flows from a particular project equal to zero.

  • Positive cash flows represent inflows of cash, while negative cash f...read more

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Q93. Plot dual cycle graph

Ans.

A dual cycle graph is a graph that consists of two cycles that share exactly one common vertex.

  • A dual cycle graph has two cycles that are connected at one vertex.

  • The cycles can have different lengths and can be of any shape.

  • The common vertex is shared by both cycles.

  • Dual cycle graphs are commonly used in graph theory and network analysis.

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Q94. If 5,15,45,135, ... Then

Ans.

The given sequence follows a pattern of multiplying each term by 3.

  • The next term is obtained by multiplying the previous term by 3.

  • Each term is 3 times the previous term.

  • The pattern can be represented as: a(n) = 3 * a(n-1), where a(1) = 5.

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Q95. Full form of PPE and types of siling

Ans.

PPE stands for Personal Protective Equipment. Types of Siling include fall arrest, restraint, and work positioning.

  • PPE is equipment worn to minimize exposure to hazards that may cause serious workplace injuries or illnesses.

  • Fall arrest siling is used to protect workers from falling from heights.

  • Restraint siling prevents workers from reaching a fall hazard.

  • Work positioning siling allows workers to work in a specific position while being supported.

  • Other types of siling include ...read more

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Q96. Tell me about plc

Ans.

PLC stands for Programmable Logic Controller, a digital computer used for automation of electromechanical processes.

  • PLCs are used in industrial control systems to automate processes such as manufacturing, packaging, and assembly.

  • They are programmed using ladder logic or other programming languages to control inputs and outputs.

  • PLCs can communicate with other devices such as sensors, actuators, and HMI (Human Machine Interface) panels.

  • They are reliable, rugged, and designed to...read more

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Q97. chemical composition of iron ore

Ans.

Iron ore is a mineral substance which, when heated in the presence of a reductant, yields metallic iron (Fe).

  • Iron ore is typically composed of iron oxides and may contain varying amounts of other minerals such as silicon, aluminum, and phosphorus.

  • The chemical composition of iron ore varies depending on the type of ore and the mining location.

  • Hematite and magnetite are the two most common types of iron ore, with the former being more commonly mined due to its higher iron conte...read more

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Q98. Uses of universal coupling

Ans.

Universal coupling is used to connect two shafts that are not in line with each other.

  • It allows for angular misalignment between the shafts

  • It can also accommodate axial and radial misalignment

  • It is commonly used in automotive and industrial applications

  • Examples include connecting the engine and transmission in a car, or connecting a motor to a pump in a factory

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Q99. What is engineering drive

Ans.

Engineering drive is the motivation and passion that engineers have to solve problems and create innovative solutions.

  • Engineering drive is the desire to constantly improve and innovate

  • It is the motivation to solve complex problems and find creative solutions

  • Engineers with strong engineering drive are passionate about their work and strive for excellence

  • Examples of engineering drive can be seen in the development of new technologies and the improvement of existing ones

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Q100. TTT diagram of mild steel

Ans.

TTT diagram of mild steel shows the transformation of austenite into different microstructures at various temperatures and times.

  • TTT diagram stands for Time-Temperature-Transformation diagram

  • It shows the relationship between temperature, time, and the transformation of austenite into different microstructures like pearlite, bainite, and martensite

  • For mild steel, the TTT diagram typically shows the formation of pearlite at lower temperatures and bainite at higher temperatures

  • T...read more

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