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

750

What is the diffrent between centrifugal and positive displacement pump

4 5101

how piston moves from bdc to tdc during compression stroke. which force acted to compress the fuel at pressure....

2 2659




Ratio of specific heats of air.

Bhel,

2 2588

what is difference between pressure and stress?

MAHINDRA,

6 5438

what is meant by horse power(h.p)?

3 2778

what is the unit of force in C.G.S system and F.P.S system?

1 14145

i want to jspl Q&A,pls send this email id:var05mech@yahoo.co.in

Jindal,

631




why not a.c supply used to charged the lead acid battery

714

Q-1-what type of bearing used in system? Q2-MEANING OF BEARING SPECIFICATION-ZZ, C3,RS 2Z ZZNR

1 868

Why in screw & centrifugal compressor using rolor bearing

725

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?

Bhel,

884

WHAT IS THE DIFFERENCE B/W LUBE OIL 20 W 40 AND 20 W 40 OIL.

768

what is the diffrent between centrifugal and positive displacement pump?

3 2385

how many types of heat transfer?

1 1981


Post New Mechanical Engineering Questions






Un-Answered Questions { Mechanical Engineering }

What causes diesel engine to automatically stop?

661


Please sent JindalSteel&power,Domain & Apptitude test paper. Urgent request.mr.erajay@yahoo.com / mr.erajay@yahoo.com Tahnks in advance

1272


written test: 1) periodical and monthly maintenance are called preventive or panned maintenance. 2) Mechanical seal parts and their material. 3)Urea plant main parts and their construction material details.4)Name diagram of the given turbine5) Turbine nomenclature like API name.6)All types of corrosion like Galvanic and oxide with example.7)Parts of gate valve and its usage. diaphragm gate valve usage. etc.....

1076


tell about a type when u had to use ur presentation skill to influence someone's.

639


Pl. brief me about geometrical test & positional accuracy of machine tool.

826






hi dear friends i have applied RRB exams SE so i need previous year question papers please send to my mail id santhu.hpt@gmail.com

676


Dear Sir, i need previous technical question papers, if possible so please tell from where i got these papers.

756


What is vane diagram in centrifugal pump?

868


what are the activities to be done after a steam turbine trips?

1354


how to solved the crictical problems in d. g. set

740


What ill be the shaft diameter with clearance having a bearing bore is 30mm?

1693


What is the purpose of starting air?

737


What are the properties of fuel oil?

757


plz send me the aptitude test paper for hpcl.

827


How many battery discharges?

743