Mechanical Engineering Interview Questions
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Hello . pls tell me ..when the results of HPCL officer trainee exam held on 2nd march 08 are coming out...any guess?? pls reply

1 3455

What is the vane diagram in centrifugal pump

ITC Infotech, Birla Cement,

2 7618

What is the diffrence between head & total head in pump

7 18737

Can someone tell me the related topics or helping books for the hpcl interview questions (for engineer graduates..)

HPCL, Machine India,

1 802

can anybody tell me whta kind of questions i may face in HPCL interview.( rpl.



How can we calculate BOILER capacity

Infotech, Inder Fab and Engineers,

6 11774

if in centrifugel pump suction,discharge and impeller size constant and motor rpm increase.what is the effect on pressure and flow.

ITC Infotech, PCBL,

7 6950

what is procedure of measuring operating length of mechanical seal.(in case of centrifugel pump)

ITC Infotech,


which case we will find maximum pressure and flow in centrifugel pump- circular casing or volute casing.

ITC Infotech,

2 3635

types of pipes

Ashok Leyland, Deloitte,

13 36756

types of turbions

4 3742

How cn u measure to steam in kg/hr or ton/hr

Samsung, Samtel,

6 8186

plz get me the placement paper for the hindalco industries Ltd. plz mail it on


6 13227

hall ticket copy



How you are going to remove corruption?


17 16982

Post New Mechanical Engineering Questions

Un-Answered Questions { Mechanical Engineering }

Why did you choose this Mechanical Engineering Carrier? What goals do you have in your carrier? How do you plan to achieve these goals?


7. What are the different types of conventional and non conventional machining processes


How should I begin a conversation that I need a change in the job to a known person in his organisation?


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?


Crankcase oil mist detector


What are to be checked in an induction motor?


Is it possible to make common ducting for Induced draft boiler with Forced Draft Boiler?  Induced Draft Boiler is having Agrowaste type and Forced Draft Boiler is of Oil Firing type.


give an example whenu should initiative and took the lead.


dear sir, pls provide me a previous paper for hpcl engineers trainee exam for mechanical engg. this is a request pls do the needful as early as possible.


what is the reason of hat and work is not conserved energy?


sir,kindly give brief knowledge about various welding processes like SMAW. GTAW,SAW ,and ASME ,IBR code at my i.d


What is the indication of leaking starting valve of an engine?


Where is the expansion tank located?


please give me production full form


Hai, i am going to appear for Section Engineer- Mechanical,RRB Chennai.Can anybody please post me the previous question papers and solutions to