Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

Kind of refrigerant use in a refrigerating system

RRB,

2 3229

Purpose of evaporator in refrigeration system.

RRB, Terram Geosynthetics,

1410

What are the characteristics of Freon 12?

RRB,

1787

Purpose of condenser in refrigeration system?

RRB,

1 2346

Kinds of refrigerants and their properties.

RRB,

1 3869

What will happen if there is moisture in refrigeration system?

RRB,

2 4434

Explain the cycle of refrigeration system.

RRB,

1411

Give the different ways of detecting leaking refrigerants?

RRB,

1 3021

What is the cold side of the refrigeration system?

RRB,

1 1912

What is the purpose of liquid receiver?

RRB,

1 3492

"What are specific heat, latent heat and sensible heat?"

RRB,

6 22331

Where id the warm side of a refrigeration system?

HCL, RRB,

1638

What would happen if there was water in refrigeration line?

RRB,

2 3769

What safety device will activate to stop the compressor in the refrigeration system

RRB,

1664

What phenomenon becomes when air mixed with refrigerant?

RRB,

1 3035


Post New Mechanical Engineering Questions

Un-Answered Questions { Mechanical Engineering }

HOW I SHOULD CALCULATE HEAT LOUD

1286


What is method to calculate the noise level at any point of duct if duct dimensions and air flow is known?

1414


interview questiions for production planning

2439


what is the difference between pipe and a tube?

533


Explain the operation of a centrifugal purifier.

1840






1. What are good characteristics of good combustion in a boiler? 2. What do you analyze from boiler water analysis? 3. What do you treat in high alkalinity of boiler water? 4. What is a feed water pump? Dearator feed heater? 5. What is the purpose of the nozzle of impulse turbine? 6. What are the things needed to have an efficient boiler burning? 7. Name Of Parts And Each Purpose 8. What are the causes of emergency stop in a steam engine? 9. What is the normal vacuum pressure in a steam turbine atmospheric condenser? What would cause the press to falls? 10. Steam turbine (function an parts) 11. What is the boiling point of water? 12. What are the safety devices of boiler? 13. What is the effect of high alkaline water to a boiler? 14. Steps In starting boilers. 15. Small gear found in the steam turbine. 16. What is an Economizer? 17. What are the methods of heat transfer? 18. Types of pressure 19. What are the different parts of impulse reaction turbine? 20. What is the color of the flame of the boiler running in good condition? 21. What type of pump is commonly used is feed water system in auxiliary boiler? 22. What is the specific heat of water? 23. What do you do to prevent flare black? 24. What is a brake horsepower? 25. What is the purpose of a de-superheater? 26. What is the purpose of corrugated furnaces? 27. What are the causes of steam turbine failure? 28. What is the purpose of superheater? 29. Given a cutaway isometric view of the steam turbine. Examinee was asked to identify the following Parts: 30. What is thrust bearing? 31. Give five boiler mounting valves. 32. In steam boiler, what are the various test in water boiler? 33. How much calorific value of heat is needed to heat 00c of 34. What will happen if boiler backfires? 35. What is the color of flame if the boiler is running in good condition? How about when it is not in good condition? 36. How does the steam work in a steam turbine? 37. What are the causes of boiler backfire and steps in how to prevent it from happening? 38. What are the causes of high alkalinity in boiler water? 39. What are sensible heat, latent heat, and specific heat of water? 40. What are the causes of turbine vibration 41. Identify the parts of steam turbine 42. What is the normal Ph value of boiler water 43. Causes of dilution of lubricating oil in a steam turbine? 44. Explain briefly- good combustion of auxiliary boiler? 45. Method of testing or checking boiler water? 46. What is mean carry over of Aux. Boiler? 47. What are steam turbine parts usually come into damage? 48. Why must we pay attention when we drain steam in steam turbine. What factors are observed? 49. What type of pump use in boiler F.O. system? 50. What parameters to be reported when we send lubricating oil for shore analysis? 51. In boiler, what does steam and smoke goes out to the funnel. What reason? 52. Where can you find the feed check valve and feed stop valve and give the purpose of it? 53. What are the causes of troubles in boiler during operations? 54. Give the purpose of nozzle in impulse turbine? 55. What s gland sealing steam? 56. How to prevent back fire of boiler? 57. What is the used of economizer in boiler? 58. What is the seal packing gland for turbine? 59. What is the flow of steam in an impulse turbine? 60. What will happen if you blow the soot in the boiler? 61. State the purpose of air heater? 62. How to operate soot blower boiler and economizer? 63. What do you mean by A.CC.? 64. What is the thermal efficiency of a diesel engine? 65. What is a blow down valves?

1726


you did b.tech why u r intrested marketing field ?

1499


i have want jindalsteel tecnical wrritten test paper.

1842


Where can you find thermometers in diesel engines?

1350


Cox chart is used in ....Distillation, evaporation, drying

3795


Is copper tube withstand under hard water say as 500 TDS.And is it cleanable by solfamric acid or by tube brushing

1748


why we use kg/cm2 in pressure gauge not kg/m2

2620


What is wet corrosion and galvanic corrosion?

590


What is the purpose of stern tube?

1599


If gas turbine is operating on part load, how droop will affect the output with respect to frequency.

1539