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30+ Creative Synergies Group Interview Questions and Answers

Updated 8 Aug 2024

Q1. What if we put diesel in SI engine and petrol in CI engine?

Ans.

Putting diesel in SI engine and petrol in CI engine would lead to inefficient combustion and potential damage to the engines.

  • Diesel is designed to be used in compression ignition (CI) engines, which rely on high compression ratios to ignite the fuel. Using diesel in a spark ignition (SI) engine would result in incomplete combustion and poor performance.

  • Petrol is designed for use in spark ignition (SI) engines, which rely on spark plugs to ignite the fuel. Using petrol in a co...read more

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Q2. What is difference between 4 stroke and 2 stroke engines?

Ans.

4 stroke engines have separate intake, compression, power, and exhaust strokes, while 2 stroke engines combine intake and compression in one stroke and power and exhaust in another.

  • 4 stroke engines have separate intake, compression, power, and exhaust strokes

  • 2 stroke engines combine intake and compression in one stroke and power and exhaust in another

  • 4 stroke engines are more fuel efficient and produce less pollution

  • 2 stroke engines are simpler in design and lighter in weight

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Q3. What are the kelvin plank and claussis statement?

Ans.

Kelvin-Planck and Clausius statements are two fundamental principles of thermodynamics.

  • Kelvin-Planck statement: It is impossible to construct a device that operates in a cycle and produces no effect other than the extraction of heat from a single reservoir and the performance of an equivalent amount of work.

  • Clausius statement: It is impossible to construct a device that operates in a cycle and produces no effect other than the transfer of heat from a colder body to a hotter b...read more

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Q4. what is calibration? How can we get to know the instrument is not calibrated and how we calibrate it?

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Q5. What is 2nd law of thermodynamics?

Ans.

The 2nd law of thermodynamics states that the total entropy of an isolated system can never decrease over time.

  • Entropy of a system tends to increase over time

  • Heat energy naturally flows from hot to cold objects

  • Efficiency of energy conversion processes is limited by the 2nd law

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Q6. Specific heat of air? Which law states that internal energy is function of Temperature?

Ans.

The specific heat of air is approximately 1.005 kJ/kg·K. The internal energy is a function of temperature according to the first law of thermodynamics.

  • The specific heat of air is the amount of heat energy required to raise the temperature of a unit mass of air by one degree Kelvin.

  • The specific heat of air at constant pressure is approximately 1.005 kJ/kg·K.

  • The first law of thermodynamics, also known as the law of conservation of energy, states that the change in internal ener...read more

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Q7. How many types Ultrasonic flow meter is use in industry and explain any one?

Ans.

There are two main types of Ultrasonic flow meters used in industry: Doppler and Transit-Time.

  • Doppler Ultrasonic flow meters use the Doppler effect to measure flow rate by detecting the frequency shift of reflected sound waves off moving particles in the fluid.

  • Transit-Time Ultrasonic flow meters measure flow rate by comparing the time it takes for an ultrasonic signal to travel upstream and downstream in the fluid.

  • Both types are non-intrusive and can be used for a wide range ...read more

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Q8. Scale formation on the surface of the boiler tubes due to ?

Ans.

Scale formation on the surface of the boiler tubes is due to mineral deposits from the water used in the boiler.

  • Mineral deposits in the water used in the boiler can lead to scale formation on the surface of the boiler tubes.

  • Common minerals that contribute to scale formation include calcium, magnesium, and silica.

  • Scale formation reduces the efficiency of the boiler by insulating the heat transfer surface and increasing energy consumption.

  • Regular maintenance and water treatment...read more

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Q9. Differentiate b/w CI and SI engine?

Ans.

CI engines use compression ignition while SI engines use spark ignition.

  • CI engines compress air to high pressures, causing the fuel to ignite spontaneously

  • SI engines use spark plugs to ignite the fuel-air mixture

  • CI engines are more fuel efficient but produce more emissions

  • Examples of CI engines include diesel engines, while SI engines include gasoline engines

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Q10. When crude oil heated which Hydro carbon comes first?

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Q11. Electromagnetic Flow Meter is Bidirectional or unidirectional and why?

Ans.

Electromagnetic Flow Meter is bidirectional because it can measure the flow of liquid in both directions.

  • Electromagnetic Flow Meters use Faraday's law of electromagnetic induction to measure the flow of conductive liquids.

  • They consist of a flow tube and two electrodes that generate a magnetic field across the liquid.

  • When the liquid flows through the tube, it induces a voltage in the electrodes, which is proportional to the flow rate.

  • Since the induced voltage can be positive o...read more

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Q12. Minimum work done for an adiabatic process the value of n?

Ans.

For an adiabatic process, minimum work is done when n = 1.

  • Minimum work is done for an adiabatic process when the value of n (polytropic index) is equal to 1.

  • For n = 1, the process is known as an isothermal process.

  • In an isothermal process, the temperature remains constant, resulting in the minimum work done.

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Q13. In an ideal gas compared to a real gas at very high pressure occupies?

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Q14. What you can do when H2S gas will come up from oil well

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Q15. Kinetic theory of gases assumes that collisions between the molecules are?

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Q16. The condition of perfect vacuum that is at absolute zero pressure can be attained at?

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Q17. New technology to fast coal transfer and maintenance work

Ans.

I believe in embracing new technology to improve efficiency and safety in coal transfer and maintenance work.

  • We should research and invest in the latest technology for coal transfer and maintenance work

  • Regular training and education for employees to ensure they are up-to-date with the latest technology

  • Collaborate with technology companies to develop customized solutions for our specific needs

  • Implement safety protocols and procedures to ensure the safe use of new technology

  • Exa...read more

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Q18. Latent heat of vapourization at low pressure and temperature?

Ans.

The latent heat of vaporization at low pressure and temperature refers to the amount of heat required to convert a substance from liquid to vapor under these conditions.

  • The latent heat of vaporization is the energy absorbed or released during the phase transition from liquid to vapor.

  • At low pressure and temperature, the latent heat of vaporization is typically lower compared to higher pressure and temperature conditions.

  • This phenomenon is commonly observed in processes such a...read more

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Q19. what is error and what is Parallax error? Explain

Ans.

Error is a mistake or deviation from accuracy. Parallax error is the apparent shift in position of an object due to the change in the observer's position.

  • Error refers to a mistake or deviation from the correct or expected result.

  • Parallax error occurs when the position of an object appears to change when viewed from different angles.

  • It is caused by the displacement between the object being observed and the observer's position.

  • For example, when looking at a ruler from different...read more

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Q20. Temperature range of k type thermocouple and Combination metal

Ans.

The temperature range of a K type thermocouple is typically -200 to 1250 degrees Celsius, and it is made of a combination of nickel and chromium.

  • K type thermocouples have a temperature range of -200 to 1250 degrees Celsius

  • They are commonly used in industrial applications due to their wide temperature range and accuracy

  • K type thermocouples are made of a combination of nickel and chromium

  • The combination of nickel and chromium provides good stability and resistance to oxidation

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Q21. Shaft revolving in a bearing which pair?

Ans.

The shaft revolves in a bearing pair known as a journal bearing.

  • Shaft revolves in a journal bearing pair

  • Journal bearing provides support and reduces friction

  • Commonly used in machinery and vehicles

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Q22. 1Kg of carbon to CO, Amount oxygen required?

Ans.

To convert 1kg of carbon to CO, 2.67kg of oxygen is required.

  • 1kg of carbon reacts with 2.67kg of oxygen to form 3.67kg of carbon monoxide.

  • The balanced chemical equation for the reaction is: C + O2 -> CO

  • The molar mass of carbon is 12g/mol and the molar mass of oxygen is 16g/mol.

  • Using stoichiometry, we can calculate the amount of oxygen required.

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Q23. What is the purpose of Supercharger?

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Q24. Axial shift in steam turbine occurs due to?

Ans.

Axial shift in steam turbine occurs due to thermal expansion and contraction of components.

  • Thermal expansion and contraction of turbine components

  • Uneven heating or cooling of the turbine casing

  • Improper alignment of bearings or rotor

  • Worn out thrust bearings

  • Excessive vibration or misalignment

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Q25. How many denials are you worked?

Ans.

I have worked on numerous denials throughout my career, gaining valuable experience in resolving them.

  • I have successfully resolved denials related to insurance claims, ensuring timely reimbursement for the organization.

  • I have worked on denials related to medical coding errors, identifying and rectifying the issues to prevent future denials.

  • I have experience in appealing denials based on medical necessity, providing strong supporting documentation to overturn the decision.

  • I ha...read more

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Q26. what u knows about pressure bellows?

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Q27. Planning and design each and every angle of site project

Ans.

Planning and designing every aspect of a site project is crucial for its success.

  • Understanding the project requirements and constraints

  • Creating detailed plans and drawings

  • Considering factors such as site topography, drainage, utilities, and environmental impact

  • Ensuring compliance with local regulations and codes

  • Collaborating with architects, contractors, and other stakeholders

  • Regularly reviewing and updating the design as needed

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Q28. Say something about Electromagnetic Flow Meter

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Q29. Testing of metal to check the mechanical properties

Ans.

Testing of metal involves checking its mechanical properties through various methods.

  • Mechanical properties of metal include strength, ductility, hardness, and toughness.

  • Testing methods include tensile testing, hardness testing, impact testing, and fatigue testing.

  • Tensile testing involves applying a force to a metal sample until it breaks to determine its strength and ductility.

  • Hardness testing involves measuring the resistance of a metal to indentation or scratching.

  • Impact te...read more

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Q30. Who many types of cement?

Ans.

There are several types of cement used in construction.

  • Ordinary Portland Cement (OPC)

  • Portland Pozzolana Cement (PPC)

  • White Cement

  • Rapid Hardening Cement

  • Low Heat Cement

  • Sulfate Resistant Cement

  • Blast Furnace Slag Cement

  • High Alumina Cement

  • Oil Well Cement

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Q31. Who type of qurring ?

Ans.

The question is unclear and does not make sense.

  • The question seems to be incomplete or misspelled.

  • It is difficult to understand what is being asked.

  • There is no context provided for the term 'qurring'.

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Q32. Horse power per tones of refrigeration?

Ans.

Horse power per ton of refrigeration is a measure of cooling capacity.

  • Horse power per ton of refrigeration measures the cooling capacity of a refrigeration system.

  • It indicates the amount of power required to remove one ton of heat in 24 hours.

  • A higher horse power per ton of refrigeration indicates a more efficient system.

  • For example, a system with 1 horsepower per ton of refrigeration can remove 12,000 BTUs of heat per hour.

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Q33. Material Properties, especially definition of Toughness, Hardness & Strength

Ans.

Toughness, hardness, and strength are important material properties. Toughness is the ability to absorb energy without fracturing. Hardness is the resistance to indentation or scratching. Strength is the ability to withstand stress without deformation.

  • Toughness is important for materials that need to withstand impact or sudden loads, such as metals used in construction or machinery.

  • Hardness is important for materials that need to resist wear and tear, such as tools or machine...read more

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Q34. 1 watt = 1Nm/S 1 h.p = ?kw

Ans.

1 horsepower is equal to 0.7457 kilowatts.

  • 1 horsepower (h.p) is equal to 745.7 watts

  • 1 kilowatt (kw) is equal to 1000 watts

  • To convert horsepower to kilowatts, multiply by 0.7457

  • Example: 1 h.p = 1 * 0.7457 = 0.7457 kw

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Q35. What is waste water treatment

Ans.

Waste water treatment is the process of removing contaminants from wastewater to make it safe for discharge or reuse.

  • Waste water treatment involves physical, chemical, and biological processes to remove pollutants from water.

  • Common methods include sedimentation, filtration, disinfection, and biological treatment.

  • The goal is to produce treated water that meets environmental regulations and can be safely discharged into the environment or reused for various purposes.

  • Examples of...read more

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Q36. Air Refrigerator works on?

Ans.

Air Refrigerator works on the principle of cooling air through the process of evaporation and condensation.

  • Air is cooled by evaporation of a refrigerant inside the refrigerator.

  • The cooled air is then circulated inside the refrigerator to maintain a low temperature.

  • Heat from the interior of the refrigerator is expelled outside through condensation of the refrigerant.

  • This cycle of evaporation and condensation helps in maintaining a cool temperature inside the refrigerator.

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Q37. Quote one challenge

Ans.

Managing employee turnover

  • Developing retention strategies

  • Conducting exit interviews to identify reasons for leaving

  • Offering competitive compensation and benefits

  • Providing opportunities for growth and development

  • Creating a positive work culture and environment

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