Reliance Industries
600+ Screen Scene Media Entertainment Interview Questions and Answers
Q1. Explain different types of pumps and differences.
Different types of pumps and their differences.
Centrifugal pumps: used for low viscosity fluids, high flow rates, low pressure
Positive displacement pumps: used for high viscosity fluids, low flow rates, high pressure
Axial flow pumps: used for high flow rates, low pressure, low viscosity fluids
Mixed flow pumps: used for medium flow rates and pressures
Jet pumps: used for pumping fluids with high solids content
Differences include design, flow rate, pressure, viscosity, and appli...read more
Q2. What is optical fiber & works on which principal
Optical fiber is a thin, flexible, transparent fiber made of glass or plastic that transmits light signals using the principle of total internal reflection.
Optical fiber is used for high-speed data transmission over long distances.
It consists of a core, which carries the light signals, surrounded by a cladding layer that reflects the light back into the core.
The principle it works on is total internal reflection, where light is reflected back into the core when it reaches the...read more
Q3. What is the state when their is no effect of pressure in a pipeline
The state when there is no effect of pressure in a pipeline is called atmospheric pressure.
Atmospheric pressure is the pressure exerted by the weight of air in the atmosphere.
When the pressure inside the pipeline is equal to the atmospheric pressure outside, there is no effect of pressure.
This state is also known as zero gauge pressure or absolute pressure.
It is important to maintain this state to prevent leaks or bursts in the pipeline.
Q4. M20 grade means In civil construction or what is the ratio of sand,cement stones?
M20 grade is a mix of concrete used in construction with a ratio of 1:1.5:3 of cement, sand, and aggregate.
M20 grade is a commonly used mix of concrete in construction.
The ratio of cement, sand, and aggregate in M20 grade is 1:1.5:3.
This means for every 1 part of cement, 1.5 parts of sand and 3 parts of aggregate are used.
The strength of M20 grade concrete is 20 N/mm² after 28 days of curing.
Q5. How your projects are suitable for reliance industry ?
My projects align with Reliance's focus on innovation, sustainability, and efficiency.
I have worked on projects that involve developing sustainable energy solutions, which aligns with Reliance's focus on sustainability.
I have also worked on projects that involve optimizing processes and reducing waste, which aligns with Reliance's focus on efficiency.
For example, I developed a system to monitor and optimize energy usage in a manufacturing plant, which resulted in significant ...read more
Q6. What is Injury On Nitrogen leak?
Injury on nitrogen leak refers to the harm caused by exposure to nitrogen gas leaks.
Nitrogen leaks can occur in industrial settings, laboratories, or even in home refrigeration systems.
Inhalation of nitrogen gas can lead to asphyxiation, as it displaces oxygen in the air.
Symptoms of nitrogen gas exposure may include dizziness, confusion, rapid breathing, and loss of consciousness.
Injuries can also occur due to the extreme cold temperature of liquid nitrogen, causing frostbite...read more
Q7. What factors will you take in consideration to check evaporator efficiency?
Factors to consider for checking evaporator efficiency
Temperature difference between inlet and outlet air
Airflow rate
Refrigerant flow rate
Frost buildup on evaporator coils
Cleanliness of evaporator coils
Type of refrigerant used
Q8. Explain refrigeration cycles and draw the cycle diagram
Refrigeration cycles are thermodynamic cycles used in refrigeration systems to transfer heat from a low-temperature region to a high-temperature region.
Refrigeration cycles involve four main components: compressor, condenser, expansion valve, and evaporator.
The cycle starts with the compressor, which increases the pressure and temperature of the refrigerant gas.
The high-pressure gas then flows into the condenser, where it releases heat to the surroundings and condenses into a...read more
Q9. What is Boiling point, NPSH, Burnoli eqation, Distilation, reflux ratio, mass transfer basic, types of pump and valve, Types of polimer, Basic of Hydrocarbon.
The question covers various topics related to field executive role, including boiling point, NPSH, Burnoli equation, distillation, reflux ratio, mass transfer basics, types of pumps and valves, types of polymers, and basics of hydrocarbon.
Boiling point is the temperature at which a substance changes from a liquid to a gas.
NPSH (Net Positive Suction Head) is a measure of the pressure available at the suction port of a pump.
Burnoli equation is a mathematical equation used to ca...read more
Q10. Draw Iron-Carbon Diagram . In it what is austenite and what are its pratical application?
Iron-Carbon Diagram and practical application of austenite
Iron-Carbon Diagram shows the relationship between carbon content and phases of iron
Austenite is a phase of iron with high carbon content and face-centered cubic structure
Practical applications of austenite include heat treatment of steel, welding, and metal casting
Q11. What were different types of sensors used in industry like for temp,pressure, level, etc.
Various types of sensors used in industries include temperature sensors, pressure sensors, level sensors, etc.
Temperature sensors: thermocouples, resistance temperature detectors (RTDs), thermistors
Pressure sensors: piezoresistive sensors, capacitive sensors, strain gauge sensors
Level sensors: ultrasonic sensors, capacitive sensors, float sensors
Flow sensors: electromagnetic flow meters, ultrasonic flow meters, thermal mass flow meters
Proximity sensors: inductive sensors, cap...read more
Q12. Explain different types of boilers
Boilers are vessels that heat water or other fluids to generate steam or hot water for various applications.
Fire-tube boilers: hot gases pass through tubes immersed in water
Water-tube boilers: water flows through tubes and hot gases surround them
Electric boilers: use electricity to generate heat instead of burning fuel
Condensing boilers: extract additional heat from the exhaust gases to increase efficiency
Package boilers: pre-designed and assembled in a factory for easy insta...read more
Q13. 6. What is the significance of Viscosity Index of lube?
Viscosity Index of lube measures its resistance to change in viscosity with temperature.
Viscosity Index (VI) is an important property of lubricating oils.
It measures the oil's ability to maintain its viscosity under different temperature conditions.
Higher VI means the oil's viscosity changes less with temperature, indicating better performance.
VI is calculated using kinematic viscosity measurements at two different temperatures.
For example, a high VI oil like Mobil 1 Syntheti...read more
Q14. Do you wild about your grammar mistakes?
No, I am not wild about my grammar mistakes.
I understand that mistakes happen and I am always willing to learn and improve.
I take constructive criticism well and use it to better myself.
I make an effort to proofread my work and use tools like spell check to catch errors.
I prioritize clear communication and understand the importance of proper grammar in professional settings.
Q15. What are the different kinds of distillation you know?
Different kinds of distillation include simple distillation, fractional distillation, steam distillation, and vacuum distillation.
Simple distillation is used to separate liquids with different boiling points.
Fractional distillation is used to separate liquids with similar boiling points.
Steam distillation is used to extract essential oils from plants.
Vacuum distillation is used to separate liquids with high boiling points.
Other types of distillation include azeotropic distill...read more
Q16. Difference between pumps and compressors
Pumps move liquids, compressors move gases.
Pumps are used to move liquids from one place to another, while compressors are used to increase the pressure of gases.
Pumps are typically used in industries such as water treatment, oil and gas, and chemical processing, while compressors are used in industries such as refrigeration, air conditioning, and power generation.
Examples of pumps include centrifugal pumps, positive displacement pumps, and submersible pumps, while examples o...read more
Q17. Difference between hardness and toughness
Hardness is resistance to indentation while toughness is resistance to fracture.
Hardness is a measure of how easily a material can be scratched or dented.
Toughness is a measure of how much energy a material can absorb before fracturing.
Hardness is often measured using the Mohs scale, while toughness is measured using impact tests.
For example, diamond is very hard but not very tough, while rubber is not very hard but very tough.
Q18. What types of activities have you engaged in, including planning, managing piping material issues for contracts, fabrication, welding, inspection work, erection, mechanical completion, inspection clearance, hyd...
read moreI have extensive experience in planning, managing, and executing various activities related to piping material issues for contracts, fabrication, welding, inspection work, and mechanical completion in the construction industry.
Engaged in planning and managing piping material issues for contracts
Worked with materials such as carbon steel, alloy steel, stainless steel, and cast iron water pipelines
Provided services involving oil, gas, water, firewater lines, nitrogen, oily wate...read more
Q19. What is OTDR & it's components & principal
OTDR is a device used to test fiber optic cables. It measures the time and strength of light signals sent through the cable.
OTDR stands for Optical Time Domain Reflectometer
It sends a pulse of light into the fiber and measures the time and strength of the reflected signal
Components include a laser, detector, and display screen
It can detect faults in the cable such as breaks, bends, and splices
It is commonly used in the telecommunications industry for maintenance and troublesh...read more
Q20. How to calculate the number of trays in distillation column
To calculate the number of trays in a distillation column, use the McCabe-Thiele method.
Determine the desired purity of the top and bottom products
Calculate the minimum reflux ratio using the Fenske equation
Use the operating line and equilibrium curve to plot the number of theoretical trays
Add a few extra trays for safety margin
Consider other factors such as pressure drop and column diameter
Example: A distillation column with a feed of 1000 kg/hr and a desired purity of 99% r...read more
Q21. What if the formula for heat engine? Explain with an example
The formula for heat engine is Q_h = Q_c + W, where Q_h is the heat absorbed, Q_c is the heat released, and W is the work done.
Heat engine converts thermal energy into mechanical energy
The formula relates the heat absorbed, heat released, and work done
Example: A car engine converts heat from burning fuel into mechanical energy to move the car
Q22. Wha do you think if you are going to take property for commercial use, what are documents to be required
Documents required for taking property for commercial use
Title deed of the property
NOC from the local authorities
Building plan approval
Environmental clearance certificate
Fire safety certificate
Tax receipts
Lease agreement (if applicable)
Q23. Tell me one of name of licensor of any equipment or unit in oil and gas industry?
One of the licensors of equipment or units in the oil and gas industry is Honeywell UOP.
Honeywell UOP is a leading licensor of refining, petrochemical, and gas processing technologies.
They provide a wide range of equipment and units such as catalysts, adsorbents, reactors, and process systems.
Their technologies help in improving efficiency, reducing emissions, and maximizing production in the oil and gas industry.
Other licensors in the industry include TechnipFMC, Shell Globa...read more
Q24. How will you purchase material good and easy from market
To purchase material goods easily from the market, I would follow a few pointers.
Research and identify reliable suppliers
Negotiate prices and terms with suppliers
Maintain good relationships with suppliers
Use technology to streamline the purchasing process
Monitor inventory levels and plan purchases accordingly
Q25. why the gibbs free energy is called free energy?
Gibbs free energy is called free energy because it is the energy available to do work at constant temperature and pressure.
Gibbs free energy is the maximum amount of work that can be obtained from a system at constant temperature and pressure.
It takes into account both the enthalpy and entropy of a system.
If the Gibbs free energy is negative, the reaction is spontaneous and can do work.
Examples include the combustion of fuels and the formation of crystals from a solution.
Q26. What type of instruments do you have in plant?
In our plant, we have a wide range of instruments including pressure transmitters, temperature sensors, flow meters, level indicators, control valves, and analyzers.
Pressure transmitters
Temperature sensors
Flow meters
Level indicators
Control valves
Analyzers
Q27. Describe how will you design a foundation ? Add all the procedures and all the tests that are pre requistic for construction ?
Designing a foundation involves several procedures and tests to ensure its stability and durability.
Conduct a site investigation to assess soil conditions and determine the type of foundation suitable for the structure.
Perform geotechnical tests such as soil borings, standard penetration tests, and plate load tests to gather data on soil properties.
Analyze the soil data to determine the bearing capacity, settlement characteristics, and potential for soil liquefaction.
Select a...read more
Q28. Why the composition of LPG cylinder varies in North and in South?
Composition of LPG cylinder varies in North and South due to differences in climate and altitude.
North India has colder climate and higher altitude, hence LPG cylinders have higher propane content to ensure proper combustion.
South India has warmer climate and lower altitude, hence LPG cylinders have higher butane content to prevent vaporization.
The composition also varies based on the source of LPG and the refining process.
The difference in composition can affect the efficien...read more
Q29. what is pump? types of pump how to do pump overhauling ? types of Impeller Compressor types Reciprocating compressor overhauling procedure.
A pump is a mechanical device used to move fluids from one place to another. There are various types of pumps and impellers.
Types of pumps include centrifugal, positive displacement, and axial flow pumps.
Pump overhauling involves disassembling the pump, inspecting and replacing worn parts, and reassembling the pump.
Types of impellers include closed, semi-open, and open impellers.
Compressor types include centrifugal, axial, and reciprocating compressors.
Reciprocating compresso...read more
Q30. Electrical Students tell me about yourself Transimission line protrction scheme overhead vs underground transmission Which material is used in transmission why that material used Transformer protection
I am an electrical student with knowledge in transmission line protection schemes, overhead vs underground transmission, materials used in transmission, and transformer protection.
Transmission line protection schemes are designed to detect and isolate faults in the transmission line to prevent damage to equipment and ensure power continuity.
Overhead transmission lines are cheaper to install but are more susceptible to damage from weather conditions, while underground transmis...read more
Q31. have you overhauled a between bearing pump BB1 ? give us the complete scenario and steps where u are the only engineer on a holiday.
Yes, I have overhauled a BB1 pump as the only engineer on a holiday.
I first assessed the condition of the pump and identified the necessary repairs.
I then sourced the required parts and tools from nearby suppliers.
I dismantled the pump and replaced the damaged components.
I reassembled the pump and tested it to ensure it was functioning properly.
I documented the entire process for future reference.
I also informed the management about the repair and the steps taken.
Examples: I ...read more
Q32. Level of normal blood value in over body
Normal blood values vary depending on the type of blood test being done.
Normal range for hemoglobin in men is 13.5 to 17.5 grams per deciliter (g/dL)
Normal range for hemoglobin in women is 12.0 to 15.5 g/dL
Normal range for white blood cells is 4,500 to 11,000 cells per microliter (mcL)
Normal range for platelets is 150,000 to 450,000 platelets per mcL
Normal range for glucose is 70 to 99 milligrams per deciliter (mg/dL)
Q33. Explain VCRS ,How does it works and makes relation with VARS
VCRS is a system used to regulate voltage in power systems. It works by adjusting reactive power to maintain voltage levels.
VCRS stands for Voltage Control and Reactive Power Support
It is used in power systems to regulate voltage levels
VCRS works by adjusting reactive power to maintain voltage levels
Reactive power is the power that oscillates between the source and load without being consumed
VCRS is related to VARS, which stands for Volt-Ampere Reactive Support
VARS is a measu...read more
Q34. What is cement, its composition and role of its constituents ? Describe briefly.
Cement is a binding material used in construction. It is composed of limestone, clay, gypsum, and other additives. Its constituents play different roles in the hardening process.
Cement is made up of four main constituents: limestone, clay, gypsum, and other additives.
Limestone provides calcium oxide (lime) and contributes to the strength and hardness of cement.
Clay provides silica, alumina, and iron oxide, which help in the formation of cement clinker.
Gypsum regulates the set...read more
Q35. What is wet bulb temperature and where is it used?
Wet bulb temperature is the temperature recorded by a thermometer covered in water-soaked cloth over which air is passed, used in meteorology and HVAC systems.
Wet bulb temperature is a measure of the lowest temperature that can be achieved by evaporating water into the air.
It is commonly used in meteorology to calculate humidity and in HVAC systems to determine the cooling potential of air.
Wet bulb temperature is always lower than the dry bulb temperature, as the evaporation ...read more
Q36. What is hand casting, hand packing, gunning, ramming method of refractory application?
Hand casting, hand packing, gunning, and ramming are methods of applying refractory materials manually.
Hand casting involves pouring refractory material into a mold by hand.
Hand packing involves manually placing refractory material into a mold or around a structure.
Gunning involves spraying refractory material onto a surface using a high-pressure gun.
Ramming involves manually compacting refractory material into a mold or around a structure using a ramming tool.
These methods a...read more
Q37. What is the difference between SCR and GTO?
SCR and GTO are both power electronic devices used for switching applications, but differ in their characteristics.
SCR stands for Silicon Controlled Rectifier and is a unidirectional device, while GTO stands for Gate Turn-Off Thyristor and is a bidirectional device.
SCR has a higher voltage and current rating compared to GTO.
GTO has a faster turn-off time and lower switching losses compared to SCR.
SCR is commonly used in AC power control applications, while GTO is used in high...read more
Q38. What is the acceptable value of Earth -Neutral voltage?
The acceptable value of Earth-Neutral voltage is 230V or less.
Earth-Neutral voltage should be measured regularly to ensure safety
Higher voltage can cause electric shock or fire
In some countries, the acceptable value may vary
Q39. Relief valve and where it is used
Relief valve is a safety device used to prevent overpressure in a system.
It is used in various industries such as oil and gas, chemical, and power plants.
It opens when the pressure inside the system exceeds the set limit, allowing the excess pressure to escape.
It helps prevent damage to equipment and potential hazards to personnel.
Examples include pressure relief valves in boilers, safety valves in pipelines, and relief valves in hydraulic systems.
Q40. Define creep, failure and fracture.
Creep is the gradual deformation of a material under constant stress. Failure is the inability of a material to perform its intended function. Fracture is the separation of a material into two or more pieces due to stress.
Creep occurs over time and can lead to permanent deformation.
Failure can occur due to various reasons such as overloading, fatigue, corrosion, etc.
Fracture can be ductile or brittle depending on the material and the type of stress applied.
Examples of failure...read more
Q41. What is best idea for development ?
The best idea for development is to provide personalized learning experiences for students.
Implementing individualized learning plans based on students' strengths and weaknesses
Using technology to create interactive and engaging lessons
Encouraging student collaboration and problem-solving skills
Providing ongoing professional development for teachers
Creating a supportive and inclusive learning environment
Q42. Tell me the types of Refractory used in oil and gas industry
Refractories used in oil and gas industry include fireclay, high alumina, silica, and magnesite.
Fireclay refractories are used for lining furnaces and boilers.
High alumina refractories are used for high temperature applications such as cracking units.
Silica refractories are used for acid resistance in chemical processing units.
Magnesite refractories are used for lining basic oxygen furnaces and converters.
Other refractories used in the industry include zirconia, chromite, and...read more
Q43. What is plan 11 and plan 32 in Mechanical seal ?
Plan 11 and Plan 32 are cooling plans used in mechanical seals to prevent overheating.
Plan 11 involves circulating cool water through the seal chamber and discharging it to a drain or cooling tower.
Plan 32 involves circulating cool water through the seal chamber and then through a heat exchanger before discharging it.
Plan 11 is used for low-pressure applications while Plan 32 is used for high-pressure applications.
Both plans are used to prevent overheating and prolong the lif...read more
Q44. Principles behind some of the temprature and level measuring instruments
Temperature and level measuring instruments operate on principles such as thermal expansion, pressure, and capacitance.
Thermocouples measure temperature based on the voltage produced by two dissimilar metals when heated
RTDs (Resistance Temperature Detectors) measure temperature based on the change in resistance of a metal wire with temperature
Level sensors use principles such as buoyancy, pressure, and capacitance to measure the level of a liquid or solid
Ultrasonic level sens...read more
Q45. What is the name of device which generates microwave in radar
The device which generates microwave in radar is called a magnetron.
Magnetron is a type of vacuum tube that generates microwaves using the interaction of a stream of electrons with a magnetic field.
It is commonly used in radar systems, microwave ovens, and other electronic devices that require high-frequency electromagnetic waves.
Examples of radar systems that use magnetrons include weather radar, air traffic control radar, and military radar systems.
Q46. What is width of pavement in two lines road with out kerb?
The width of pavement in a two-lane road without kerb depends on the traffic volume and speed.
The width can range from 6 to 12 meters.
Higher traffic volume and speed require wider pavement.
The pavement width should also consider the type of vehicles using the road.
The absence of kerb means the pavement should be wider to accommodate vehicles that may stray off the road.
The width of pavement should also consider the road alignment and terrain.
A wider pavement can also provide ...read more
Q47. What are the different types of pump and sealing system you known
Different types of pumps include centrifugal, positive displacement, and axial flow. Sealing systems include mechanical, gland, and magnetic.
Centrifugal pumps use a rotating impeller to create a flow of fluid. Examples include end-suction, inline, and multistage pumps.
Positive displacement pumps move fluid by trapping a fixed amount and forcing it through the discharge. Examples include piston, diaphragm, and gear pumps.
Axial flow pumps move fluid parallel to the axis of rota...read more
Q48. What is Effluent treatment plant?
Effluent treatment plant is a facility that treats wastewater before releasing it into the environment.
Effluent treatment plant removes pollutants and contaminants from wastewater.
It uses physical, chemical, and biological processes to treat wastewater.
The treated water can be reused or safely discharged into the environment.
Examples of effluent treatment plants include those used in industries, municipalities, and hospitals.
Q49. Code, Standards of piping, How much manpower you need to complete a assigned job within given time period, what was resources you need, Types of piping support, Types of components and rating, Pressure & Temper...
read moreQuestions related to piping code, standards, manpower, resources, support, components, pressure, and temperature for a Mechanical Construction Engineer.
Piping codes and standards ensure safety and quality of the piping system.
Manpower requirement depends on the complexity and size of the project.
Resources needed include materials, equipment, and tools.
Types of piping support include hangers, clamps, and anchors.
Types of components include valves, fittings, and flanges.
Pressur...read more
Q50. Why use Effluent Treatment plant(ETP)?
ETP is used to treat industrial wastewater before releasing it into the environment.
ETP helps in reducing the pollution caused by industrial wastewater.
It removes harmful chemicals and contaminants from the wastewater.
ETP ensures compliance with environmental regulations.
It helps in conserving water resources by recycling the treated water.
Examples of industries that use ETP include textile, chemical, and pharmaceutical industries.
Q51. What is cavitation? How can we avoid it?
Cavitation is the formation of vapor bubbles in a liquid due to rapid changes in pressure. It can cause damage to equipment.
Cavitation occurs when the pressure in a liquid drops below its vapor pressure, causing bubbles to form and collapse rapidly.
It can occur in pumps, propellers, and valves, leading to erosion and damage to the equipment.
To avoid cavitation, maintain proper pressure levels in the system, use materials resistant to cavitation damage, and ensure smooth flow ...read more
Q52. Q1 Types Of foundation Q2 Volume of one cement bag Q3 how much bricks are need for 1M3 Brick Masonry Q4 concrete mould size Q5 Ratio of M15 Grade concert Q6 bottom clear cover of Foundation as per IS CODE
Interview questions for Civil Site Engineer including foundation types, cement bag volume, brick masonry, concrete mould size, M15 grade ratio, and bottom clear cover of foundation.
Types of foundation include shallow, deep, and special foundations
Volume of one cement bag is typically 0.0347 cubic meters or 1.226 cubic feet
Approximately 500 bricks are needed for 1M3 brick masonry
Concrete mould size varies depending on the project requirements
Ratio of M15 grade concrete is 1:2:...read more
Q53. what is the composition of LPG cylinder?
LPG cylinder is made up of steel and consists of propane and butane gases.
LPG cylinder is made up of high-quality steel to withstand high pressure.
It consists of a valve, pressure relief valve, and a safety cap.
The cylinder is filled with a mixture of propane and butane gases.
The composition of the gas mixture varies depending on the climate and altitude.
LPG cylinders are color-coded to indicate the type of gas and its intended use.
Q54. Consider two lack bodies with surfaces S1 (area = 1 m2) and S2 (area = 4 m2). They exchange heat only by radiation. 40% of the energy emitted by S1 is sreceived by S2. The fraction of energy emitted by S2 that...
read moreQ55. Standard tests of concrete, brick and aggregrates and the values required for good construction ?
Standard tests and values for concrete, brick, and aggregates in construction.
Concrete tests: compressive strength, slump test, water absorption
Brick tests: compressive strength, water absorption, efflorescence
Aggregate tests: sieve analysis, specific gravity, water absorption
Concrete compressive strength should be at least 20 MPa
Brick compressive strength should be at least 3.5 N/mm²
Aggregate specific gravity should be between 2.6 and 2.9
Q56. First priority for nurse the patient ?
The first priority for a nurse is always the patient's safety and well-being.
Assessing the patient's condition and needs
Administering medications and treatments as prescribed
Monitoring vital signs and responding to changes
Providing emotional support and comfort
Communicating effectively with the patient and healthcare team
Advocating for the patient's rights and preferences
Ensuring a clean and safe environment
Continuously evaluating and adjusting care as needed
Q57. In a shell and tube heat exchanger, where does a toxic fluid go into?
Toxic fluid in a shell and tube heat exchanger goes into the tube side.
Toxic fluid is typically directed into the tubes of the heat exchanger.
This is done to prevent contamination of the environment or other fluids in the system.
Examples include chemical processing plants where toxic fluids need to be cooled or heated efficiently.
Q58. Why so many holes metal pipe which is inside the tank for radar gauge.
The holes in the metal pipe inside the tank for radar gauge are for pressure equalization.
The holes allow the pressure inside the pipe to equalize with the pressure inside the tank.
This prevents any false readings due to pressure differences.
The number and size of the holes are designed based on the tank size and fluid properties.
The holes also prevent any vacuum formation inside the tank during fluid withdrawal.
Examples of tanks that use radar gauges with metal pipes and hol...read more
Q59. Tell me about overhauling of pump how will you perform it.
Overhauling a pump involves disassembling, inspecting, repairing/replacing parts, and reassembling it.
Begin by disconnecting the pump from the power source and draining any remaining fluid.
Disassemble the pump and inspect all parts for wear and damage.
Repair or replace any damaged parts, such as bearings or seals.
Clean all parts thoroughly and reassemble the pump.
Test the pump to ensure it is functioning properly before putting it back into service.
Q60. What is instrumentation all about?
Instrumentation is the science of measuring and controlling physical variables such as temperature, pressure, flow, and level.
Instrumentation involves the use of sensors, transmitters, and controllers to measure and control physical variables.
Examples of instrumentation include temperature sensors in a furnace, pressure transmitters in a pipeline, flow meters in a chemical plant, and level sensors in a tank.
Instrumentation is used in various industries such as oil and gas, ch...read more
Q61. what are the maxwell's equations?
Maxwell's equations describe the behavior of electromagnetic fields.
There are four equations: Gauss's law, Gauss's law for magnetism, Faraday's law, and Ampere's law with Maxwell's addition.
Together, these equations explain how electric and magnetic fields interact and propagate through space.
Maxwell's equations are fundamental to the study of electromagnetism and have many practical applications, such as in the design of electrical circuits and the development of communicati...read more
Q62. what is torque used in automobile, crankshaft manufacturing process
Torque is used in automobile for engine power and in crankshaft manufacturing process for tightening bolts and nuts.
Torque is a measure of rotational force.
In automobiles, torque is used to measure engine power and performance.
In crankshaft manufacturing process, torque is used to tighten bolts and nuts.
Torque wrenches are used to apply specific torque values to bolts and nuts.
Proper torque is important for safety and to prevent damage to components.
Q63. Types of cooling towers and their differences?
Cooling towers are heat rejection devices used to transfer process waste heat to the atmosphere. They can be classified into natural draft, mechanical draft, and hybrid cooling towers.
Natural draft cooling towers rely on natural convection to circulate air, while mechanical draft cooling towers use fans to force air circulation.
Hybrid cooling towers combine features of both natural draft and mechanical draft cooling towers.
Cooling towers can also be categorized based on the t...read more
Q64. define a routine maintenance day and what is your role.
A routine maintenance day involves scheduled inspections and repairs to prevent equipment failure.
Inspect equipment for wear and tear
Replace worn parts
Clean and lubricate machinery
Test equipment to ensure proper functioning
Document maintenance activities
My role is to oversee the maintenance team and ensure tasks are completed on time and to standard
Q65. How is gas solubility affected by liquid temperature?
Gas solubility decreases with increasing liquid temperature.
As temperature increases, the kinetic energy of the liquid molecules increases, causing them to move faster and collide more frequently with gas molecules, which reduces the solubility of the gas.
This relationship is described by Henry's Law, which states that the solubility of a gas in a liquid is directly proportional to the partial pressure of the gas above the liquid, and inversely proportional to the temperature...read more
Q66. What is the full form of OTDR and it's functions and working phenomena
OTDR stands for Optical Time Domain Reflectometer. It is used to test and troubleshoot fiber optic cables.
OTDR sends a pulse of light into the fiber and measures the time and strength of the reflected signal.
It can detect faults such as breaks, bends, and splices in the fiber.
OTDR can also measure the length of the fiber and the attenuation of the signal.
It is commonly used in the telecommunications industry to maintain and troubleshoot fiber optic networks.
Q67. Types of testing specially Non Destructive testing.
Non-destructive testing (NDT) is a testing method used to inspect materials without damaging them.
NDT is used to detect defects or irregularities in materials or structures
Common NDT methods include ultrasonic testing, radiography, magnetic particle testing, and visual inspection
NDT is widely used in industries such as aerospace, automotive, and construction
NDT can also be used in medical imaging, such as X-rays and MRI scans
Q68. 1)How to maintain network availability 99.99% 2) How to maintain reduce fiber cuts in core and access rings? 3) How to reach MTTR in fiber cuts and sites down cases?
To maintain network availability at 99.99%, reduce fiber cuts, and reach MTTR in fiber cuts and sites down cases, a comprehensive approach is needed.
Implement redundant network paths to ensure high availability
Regularly monitor network performance and proactively address any issues
Invest in high-quality fiber optic cables and regularly inspect them for damage
Train staff on proper handling and maintenance of network equipment
Establish clear communication channels and protocols...read more
Q69. How many level of schedules are there and what are their significance.
There are 3 levels of schedules: Level 1, Level 2, and Level 3.
Level 1: Master Schedule - high-level overview of the project
Level 2: Project Schedule - detailed breakdown of the project into smaller components
Level 3: Look-Ahead Schedule - weekly or daily schedule that focuses on specific tasks
Q70. 3. What is the basic priority of a retail outlet. Give an example that you have concluded in your past career.
The basic priority of a retail outlet is to maximize sales and profits while providing excellent customer service.
Maximizing sales and profits is the primary goal of a retail outlet
Providing excellent customer service is crucial to retain customers and increase sales
Maintaining a clean and organized store is important to create a positive shopping experience
Managing inventory and controlling costs is necessary to maximize profits
Offering promotions and discounts can attract c...read more
Q71. How can you managed manpower and helpful mechanical sources distribute
Manpower can be managed by proper planning, delegation of tasks, and effective communication.
Create a detailed project plan with timelines and milestones
Delegate tasks based on individual strengths and expertise
Ensure effective communication channels are established
Regularly monitor progress and make necessary adjustments
Utilize helpful mechanical sources such as automation and technology
Provide necessary training and resources to team members
Encourage teamwork and collaborat...read more
Q72. types of bearing used and give an example (bearing no for each type)
There are several types of bearings used, including ball bearings, roller bearings, and plain bearings.
Ball bearings are used in high-speed applications and can handle both radial and axial loads. Examples include 6203-2RS and 6304-2RS bearings.
Roller bearings are used for heavy loads and can handle radial loads better than axial loads. Examples include 22222E and 30206 bearings.
Plain bearings are used for low-speed and high-load applications. Examples include sleeve bearings...read more
Q73. reliance group is back of Indian shares market how is possible ?
Reliance Group's influence on the Indian shares market is possible through its strong market presence and diversified business portfolio.
Reliance Group is one of the largest conglomerates in India with a significant market share in various sectors such as telecommunications, petrochemicals, retail, and more.
The group's flagship company, Reliance Industries Limited, is listed on the Indian stock exchanges and has a substantial market capitalization.
Reliance Group's strategic i...read more
Q74. Control valve components and it's characteristic and it's use as per its characteristic in various applications
Control valve components, characteristics, and applications
Control valve components include actuator, positioner, and valve body
Characteristics include linear, equal percentage, and quick opening
Linear valves are used for on/off applications, equal percentage for modulating flow, and quick opening for emergency shutdown
Applications include oil and gas, chemical, and power generation industries
Q75. What do you mean by controllers?
Controllers are devices that manage and regulate the behavior of other devices or systems.
Controllers can be found in various fields such as engineering, automation, and electronics.
They receive input signals and use them to adjust the output of the system they are controlling.
Examples of controllers include temperature controllers, speed controllers, and motion controllers.
They can be programmed to perform specific tasks and can operate autonomously or be controlled remotely...read more
Q76. What is the main difference between RTD and Thermistor?
RTD measures temperature using resistance while thermistor uses resistance-temperature relationship.
RTD has a linear resistance-temperature relationship while thermistor has a non-linear one.
RTD has a higher accuracy and stability compared to thermistor.
RTD is more expensive than thermistor.
RTD is commonly used in industrial applications while thermistor is used in consumer electronics.
Examples of RTD include platinum, nickel, and copper while examples of thermistor include N...read more
Q77. What do you mean by EVM and how it is used in project management
EVM stands for Earned Value Management. It is a project management technique used to measure project performance and progress.
EVM compares the actual work completed and the budgeted work to determine if the project is on track or not.
It uses three key values: Planned Value (PV), Actual Cost (AC), and Earned Value (EV).
PV is the budgeted cost of the work scheduled to be done, AC is the actual cost incurred, and EV is the budgeted cost of the work actually completed.
EVM helps i...read more
Q78. If excessive vibrations are reported in a RCC structure, what actions will you take as a project manager?
Investigate the cause of excessive vibrations in the RCC structure and take appropriate corrective actions.
Conduct a thorough inspection of the structure to identify the source of vibrations
Consult with structural engineers to assess the structural integrity and safety of the RCC structure
Implement necessary measures such as adding additional support, reinforcing weak areas, or adjusting load distribution
Communicate with stakeholders about the issue and proposed solutions to ...read more
Q79. What are components used in Refractory material?
Refractory materials are made up of various components such as oxides, carbides, nitrides, and borides.
Common oxides used include alumina, magnesia, and silica
Carbides such as silicon carbide and boron carbide are also used
Nitrides like silicon nitride and boron nitride are used for high-temperature applications
Borides like zirconium diboride and hafnium diboride are used for extreme conditions
Other components like graphite, chromite, and mullite may also be used
Q80. What is the Working principle of GC and NMR intrument?
GC separates and analyzes volatile compounds, while NMR detects the magnetic properties of atomic nuclei.
GC uses a sample injection port, a column, and a detector to separate and analyze volatile compounds based on their boiling points and affinity for the column material.
NMR uses a strong magnetic field and radio waves to detect the magnetic properties of atomic nuclei, providing information about the chemical structure and composition of a sample.
GC is commonly used in the ...read more
Q81. Oil & Gas standards and basic ideas of instrumentation loop ?
Oil & Gas standards and instrumentation loop basics.
Oil & Gas industry follows various standards like API, ISO, etc.
Instrumentation loop is a closed circuit of sensors, transmitters, controllers, and final control elements.
It is used to measure and control process variables like temperature, pressure, flow, etc.
The loop can be either analog or digital and can be configured in various ways like 2-wire, 3-wire, 4-wire, etc.
Proper calibration and maintenance of the loop are cruc...read more
Q82. Why reflux is present in distillation columns and what happens when it is removed ?
Reflux is present in distillation columns to improve separation efficiency. Removing it reduces separation efficiency.
Reflux helps to maintain a temperature gradient in the column
It allows for better separation of components with similar boiling points
Removing reflux can lead to decreased purity of the desired product
It can also lead to increased energy consumption
Reflux ratio is an important parameter to control in distillation
Q83. How is chemical engineering simulation useful in plant operations?
Chemical engineering simulation helps optimize plant operations by predicting outcomes and identifying potential issues.
Simulation allows for testing of different scenarios without risking plant shutdown or safety hazards.
It can help identify potential bottlenecks or inefficiencies in the process.
Simulation can also aid in the design and optimization of new processes or equipment.
Examples include using simulation to optimize distillation column operation or to predict the beh...read more
Q84. What's your process? Safety system in your company? Work permit system? Pump operation like as centrifugal or reciprocating pump.
Our company has a comprehensive safety system in place, including a work permit system and specific procedures for operating centrifugal and reciprocating pumps.
Our safety system includes regular safety training for all employees.
We have a work permit system in place to ensure that all work is authorized and performed safely.
Our pump operation procedures are specific to the type of pump being used, with detailed instructions for both centrifugal and reciprocating pumps.
We reg...read more
Q85. HOWMANY TYPES OF SUPPORT TYPES ARE USED FOR PIPING FIXING ?
There are several types of support types used for piping fixing, including clamps, hangers, and anchors.
Clamps are used to hold pipes in place and prevent movement.
Hangers are used to support the weight of the pipes from above.
Anchors are used to secure pipes to a structure to prevent movement.
Other types of support types include guides, shoes, and struts.
Q86. what is safty management and fire safty managenment first aid trining complelited
Safety management involves identifying and mitigating risks to prevent accidents and injuries. Fire safety management focuses on preventing and responding to fires. First aid training is completed to provide immediate medical assistance in case of an emergency.
Safety management involves risk assessment, hazard identification, and implementation of safety measures.
Fire safety management includes fire prevention, fire suppression, and emergency response planning.
First aid train...read more
Q87. Name diffnt site where u can see technical videos e.g HOW STUFF WORKS-my answer
YouTube is a popular site for technical videos, offering a wide range of content on various topics.
YouTube: A vast collection of technical videos from various creators and channels.
Khan Academy: Provides educational videos on technical subjects like math, science, and computer programming.
TED Talks: Features talks by experts in various fields, including technology and engineering.
Coursera: Offers online courses with video lectures on technical subjects.
Udemy: Provides a platf...read more
Q88. What do you mean by Transistors?
Transistors are electronic devices used to amplify or switch electronic signals and power.
Transistors are made of semiconductor materials like silicon or germanium.
They have three terminals - emitter, base, and collector.
Transistors can be used as amplifiers to increase the strength of a signal.
They can also be used as switches to turn a signal on or off.
Examples of transistor-based devices include computers, radios, and televisions.
Q89. if you increase the diameter of an impeller by twice , what will be the effect on power no ?
Q90. Mention some types of transistors and there applications.
Transistors are electronic devices used for amplification and switching. Some types include BJT, MOSFET, JFET, and IGBT.
BJT (Bipolar Junction Transistor) - used in amplifiers, switches, and oscillators
MOSFET (Metal Oxide Semiconductor Field Effect Transistor) - used in power electronics, digital circuits, and amplifiers
JFET (Junction Field Effect Transistor) - used in low-noise amplifiers and voltage-controlled resistors
IGBT (Insulated Gate Bipolar Transistor) - used in high-...read more
Q91. Designing of Distillation Column?
Designing of Distillation Column
Determine the desired separation
Select the appropriate column type
Calculate the number of theoretical plates
Determine the feed location and reflux ratio
Design the reboiler and condenser
Select appropriate materials of construction
Consider safety and environmental factors
Q92. How do you manage relationships with dealers and distributors, and how do you stay informed about Jio business practices?
I manage relationships with dealers and distributors by maintaining regular communication and providing support. I stay informed about Jio business practices through training sessions and industry news.
Regular communication with dealers and distributors to address any concerns or issues
Providing support and resources to help dealers and distributors succeed
Attending training sessions and workshops to stay updated on Jio business practices
Keeping up-to-date with industry news ...read more
Q93. What actions would you take in the event of a power failure or Distributed Control System (DCS) failure?
In the event of a power failure or DCS failure, I would take immediate actions to ensure minimal disruption to operations.
Notify relevant personnel and stakeholders about the situation
Activate backup power sources if available
Implement emergency shutdown procedures to prevent damage to equipment
Troubleshoot the cause of the failure and work towards restoring power or DCS functionality
Communicate updates and progress to all parties involved
Q94. What are the maintenance philosophy you known about
Maintenance philosophies include preventive, predictive, corrective, and reliability-centered maintenance.
Preventive maintenance involves regularly scheduled inspections and maintenance to prevent equipment failure.
Predictive maintenance uses data analysis and monitoring to predict when maintenance is needed.
Corrective maintenance is performed after a failure has occurred to restore equipment to working condition.
Reliability-centered maintenance focuses on identifying critica...read more
Q95. The most important thing for patients is?
The most important thing for patients is to receive quality care and attention from healthcare professionals.
Quality care and attention from healthcare professionals
Effective communication between patients and healthcare professionals
Access to necessary medical treatments and resources
Compassionate and empathetic care
Respect for patient autonomy and preferences
Ensuring patient safety and well-being
Providing education and support for self-care
Maintaining patient confidentialit...read more
Q96. 4.what is very common, which is not available now a days?
Personalized customer service
Personalized customer service is becoming less common in today's digital age
Many companies rely on automated systems and chatbots instead of human interaction
Examples include automated phone systems, chatbots, and self-checkout machines
Q97. What were the major potential hazards in your site with respect to Fire?
Q98. What is Quality assurance?How will you do that at your lab
Quality assurance is a process of ensuring that the laboratory's testing procedures and results are accurate and reliable.
Establishing and implementing quality control measures
Regularly monitoring and evaluating the laboratory's performance
Participating in external quality assurance programs
Maintaining proper documentation and record-keeping
Providing ongoing training and education to staff
Addressing any identified issues or errors promptly and effectively
Q99. How you pitch or handle customer
I handle customers with empathy, active listening, and problem-solving skills to ensure their needs are met.
Listen actively to understand the customer's concerns
Show empathy and understanding towards the customer's situation
Offer solutions or alternatives to address the customer's needs
Follow up to ensure customer satisfaction
Remain calm and professional, even in challenging situations
Q100. How many pieces are to be tagged by each part timer per day ?
The number of pieces to be tagged by each part timer per day depends on the specific job requirements and workload.
The number of pieces to be tagged may vary depending on the size of the store or company.
It is important to consider the time it takes to tag each piece accurately.
Some companies may have a set quota or goal for the number of pieces to be tagged per day.
Part timers may need to communicate with supervisors to ensure they are meeting expectations.
For example, in a ...read more
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