Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

Properties of F.O. the cause damage on auxiliary boiler.

RRB,

847

Device use to control flow rate of centrifugal pump.

RRB,

2 2131

What is the use of gravity disc?

RRB,

900




What causes damage to impellers?

RRB,

3 2175

Give the procedures in starting centrifugal pumps.

RRB,

773

How to stop a purifier?

RRB,

759

What type of pump is are commonly used in auxiliary boilers?

RRB,

771

Explain the operation of a centrifugal purifier.

RRB,

1152




How would you increase the volume efficiency of centrifugal pump?

RRB, Bhel,

710

"What is fuel oil viscosity, specific gravity?"

RRB, Blue Star,

780

What type of pump is lubricator pump?

RRB,

2 1937

Identify or enumerate the parts of stern tube

RRB,

674

Explain how to adjust pump pressure

RRB,

3 2687

What is absolute pressure

RRB,

3 2858

Purpose of stern tube sealing

RRB,

696


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Un-Answered Questions { Mechanical Engineering }

Draw the flow of F.O. diagram from service tank to Main Engine?

1468


What are the causes of dirty lubricating oil?

690


how to calculate transformer conservator size

889


pls send the technical question paper

1006


compare brayton and otto cycle

1110






can i apply for rrb with my provisional certificate..........

771


What will happen if head of a selected pump is not utilized in a closed loop water circuit? Flow will increase or decrease or remain same?

864


WHAT IS PROTECTION AND INTERLOCK ROTECTION?

676


Explain the function of cooling water expansion tank.

732


what do you mean by resistivity survey of tubewell

903


what is bms system and how to work it

421


In a four-stroke diesel engine, In what engine exhaust valve will open?

784


How does the steam work in a steam turbine?

731


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?

948


What are the causes of dirty lubricating oil?

779