Mechanical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Mechanical Engineering Interview Questions

Questions Answers Views Company eMail

how to guess size of hole according to size of bolt,say M12?

3 5761

Why preferred Production than Drilling?

ONGC,

2841

An Rod of 25mm in dia, is bend and made into a circle Ring with outer dia 200mm, then what ll be the length of rod required?

SSK,

2 3474

An Fuel Tank in circular in shape as 1500mm in dia and 1000mm in length placed in an horizontal position, its possible to find the fuel capacity of tank

2 3920

What is the effect on shunt motor's rotation if the polarity of the field and the armature winding increased simultaneouisly

GDT, JKP,

1 3002

how we calculate the induced air capacity of id fan of a boiler?

Delight Dairy,

2401

when splined shafts are preferred over keys?

1 3534

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

Nucon,

2380

9. State the difference between unilateral and bilateral tolerance

Amul,

1 4056

10. What is difference between welding and brazing

Amul,

2 4792

11. How much watt means 1 Hp

Amul,

3 5791

12. What are the differences between IC & CI Engines

Amul,

3 5811

13. What are the different types of fits

Amul,

2 4831

14. What different types of Heat treatment processes and why heat treatment is required?

Amul,

1 4594

15. What is the difference between first angle projection and third angle projection?

Amul,

2 4967

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Un-Answered Questions { Mechanical Engineering }

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

2198

sir i appeared to bosch written test recently and i cleared it successfully.can u suggest me how the interview will be done ?is it technical or HR or both?how shall i prepare for it?i am very eager to work with and in fact it is my dream job suggest me how to grab the job.if you know tell what type books are prefer for preparation of intrview?

2320

What is meant by transmissivity?

1130

What are the things needed to have an efficient boiler burning?

2163

What is the purpose of increasing the pressure on the F.O. system of the engine?

2256

What are to be checked in an induction motor?

2110

What does dynamics of machines deals with ?

1360

Can we add different application (program)in pro e modelling software? If YES ,then how????????

1916

What is least count?

1171

what is the meaning of rheostat in maximum and minimum position?

3007

alignment formulae for any two shafts for shim correction

2105

1) Any pipe line working fluid may water / steam on it one manual isolation valve suppose one side of valve 6 kg/ cm^2 pressure (i.e. up stream) and other side is “ 0” kg/ cm^2 pressure(i.e. down stream) . So how much Tourqe required for opening the valve in terms of Newton force wheather normal man can open this valve. (for reference pipe nominal bore is 100 NB )

1941

What are SAE ratings?

1120

What are the different types of springs and explain them?

1120

HOW TO CALCULTE THE TR CAPACITY FOR SCREW COMPRESSOR, RECIPROCATING COMPRESSOR,PHE & COOLING TOWER? HOW TO CALCULATE THE FLOW RATING OF PUMPS?

3856

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