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Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

What is the seal packing gland for turbine?

RRB,

1896

What is the flow of steam in an impulse turbine?

ABC Inc, RRB, Siemens,

1770

What will happen if you blow the soot in the boiler?

ABC Inc, RRB, Siemens,

1746

State the purpose of air heater?

ABC Inc, RRB, Siemens,

1 3247

How to operate soot blower boiler and economizer?

ABC Inc, RRB, Siemens,

1951

What do you mean by A.CC.?

ABC Inc, RRB, Siemens,

1666

What is the thermal efficiency of a diesel engine?

RRB,

1793

What is a blow down valves?

ABC Inc, RRB, Siemens,

2 4409

Give five parts inside the centrifugal pump and explain each?

RRB,

1 3408

What type of gear is the first reduction gear pinion?

RRB,

2588

List the main parts of Centrifugal pump

RRB,

1 3284

Enumerate the cause of pumps low delivery of water

RRB,

1764

What type of pump is main L.O. pump?

RRB,

1 7109

How to shut down and overhaul the centrifugal pumps?

RRB,

2458

What is the specific gravity or relative density of fuel oil?

RRB,

1866


Post New Mechanical Engineering Questions

Un-Answered Questions { Mechanical Engineering }

how current flow found at one and of generator ,at star neutral point each phase.

1680


What is critical temperature in metals ?

898


Why entropy change for a reversible adiabatic process is zero ?

904


pls ,send me technical questions of jindal steels and power ltd

2026


What is the purpose of stern tube?

2354


pls send me rechnical test paper of reliance with answers for last five years??

1770


Please anyone send me previous papers of ONGC (Mechanical Engineering) at my email id jtndrkmr.vermaapril@gmail.com. Please help me.

1939


How to prevent back fire of boiler?

1719


State fresh water generation plant made water flow.

1471


I NEED PREVIOUS YEAR QUESTION AND ANSWER FOR RRB JR.TECH- ENGINEER-3 FOR DIPLOMA VERSION.PLEASE SEND ME URGENT.MY MAIL ADDRESS IS vadivelu2000@gmail.com

1849


Explain what are the thermal conductivity properties of brass?

875


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?

1949


How to detect staring valve leaks?

1792


What is the difference between basic hole and basic shaft ?

863


How much pressure on air reservoir?

1622