Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

Compare Brayton and Otto cycle.

Bhel,

3 25313

please send the last 5 years {{{JUNIOR ENGINEER GRADE II - MECHANICAL RRB CHENNAI}}} TECHNICAL question papers

995

why diesel engine does not have spark plug like petrol engine, how ever petrol is better fuel than diesel?

HMT,

16 25809




1.Heat Treatment Process HRC Stands for 2.Material OHNS Stands for

Hindustan Motors, College School Exams Tests, ABCO, Shree Pressings,

10 29811

i need previous 5 years solved q&a for rrb chennai section engg(mech) anybody if you know please atleast provide me the link or if u could send me it to my mail id karthick.silence@gmail.com

1587

What is mean by Resistance welding

Toyota,

4 6129

I want a RRB model question for Diploma mechanical Engg.

ONGC, RRB, IBM, L&T, Hyundai, JSW, ASD Lab, Tata Steel Limited, IOCL, Infutech, Production and Quality Engineering,

6 13158

why the path of a satellite is always elliptical with earth not at the centre of the ellipse?

TVS,

1767




How Hydrulic Power Stering & Clutch works plz explain?????????????????

2 5261

meaning of engineering ...

Aster Teleservices,

1062

what is the use of vanadium (non metal) ?

4 5752

why petrol engine gives more power than diesel engine eventhough diesel engine has high compression ratio?

TATA,

11 22714

what is the relationship between cop and hp(horse power) of compressor?

2 5847

In auto mobile industry for any type of vehicle how can we differentiate 2 stroke and 4 stroke engine....

5 5293

how the material no. 2062 will mild steel of desity 7.85? what are the other codes?

Ispat, Impex Ferro Tech,

825


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Un-Answered Questions { Mechanical Engineering }

What are your significant functional achievements in the present company? How did they contribute to the total process

3044


What materials are used for engine propeller?

864


We have fifteen year old CNC turning lathe,placed in dust proof room,recently giving control problems frequently.We are considering to retrofit it.Pl.brief me about various point I should consider for accessing the mechanical health of machine.

663


Steps In starting boilers.

1015


Is the hvac machines are designed 10% less than the electrical feeder value?

539






What is the difference between P11 & P22 pipes?

13653


How to convert GSS duct volume in KG for all guages

1952


DEAR SIR, I NEED A MODEL QUESTION PAPER OF JSPL. i'M IN mechanical BRANCH. E-MAIL ID:sksuman289@gmail.com

790


how does the lybrinth glands work in sealing a turbine? how exactly turbine sealing is done? principle of it?

1037


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?

914


for under water excavation works, can i have some standard codes and specifications(international)

670


What is a liquid flooding in refrigeration system?

1015


Where is the expansion tank located?

783


Describe The Complete actvities of the STORE KEEPER?

1128


Is IS 2062 different from ASTM A 36 or both are almost same

15649