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Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

what is the difference between under vacuum & under pressure boiling?

1205

difference between internal energy and enthalpy?

MAHINDRA,

1170

Which type of gear train used in Wrist watch?

Bhel, Escorts, L&T,

6 19518

Internal energy of a substance depends on

Bhel,

2 7774

Work done in compressing 1kg of gas adiabatically from p1,V1,T1 to p2, V2, T2 is equal to

Bhel, Swaraj,

3 6001

If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the: a) exhaust will be smoky b) piston rings would stick into piston grooves c) exhaust temperature will be high d) engine starts overheating e) all of the above.

Bhel,

7 11308

One wink is equal to how many minutes?

Bhel, SR,

4 9657

In Automobile Transmission System,The clutch is in b/w Transmission system & ___________

Bhel,

8 9266

Gegger is used in foundry for the purpose of____________

ARM, Bhel,

1221

Solar Cells stores the Energy In the form of a)Mechanical Energy b)Electric Energy c)Heat Energy

Bhel,

3 4112

Escape Velocity of Earth is

Bhel,

2 2740

Which instrument is used to measure the Inner diameter,outer dia,Thichness & Depth.

Bhel,

1 3929

Corundum mainly Contains__________

Behr, Bhel,

1 2264

Which Property Shows Resistance to flow?

Bhel,

2 3105

Which Surface hardening is preferrable for heating some portion of Component? a)Surface hardening b)Flame Hardening c)Nitriding

Bhel,

5 3771


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Un-Answered Questions { Mechanical Engineering }

Do you have idea about various methods of production of gears ?

168


What is blast furnace

4463


Explain why do the radiators in your house click when you start the heating system?

140


during the design of a friction clutch what are the considerations that should be made?

190


how can i replace annular plats in tanks

945






When did you decide to become and mechanical engineer and why?

131


How does optical pyrometer work?

1189


What is the function of mouth ring

1260


a three phase squirrel cage induction motor runs slow? list all possible reasons for such fault.

1029


What are the assumptions made in simple theory of bending?

154


Enumerate the cause of pumps low delivery of water

1083


What is a diaphragm?

160


how material removal occurs only in workpiece not in tool during an EDM process?

1072


What is polytropic process ? Under what conditions it approaches isobaric, isothermal, and isometric process ? In which reversible process no work is done ?

191


what is the diffrence betwen primary pumps and secondary pumps in aircoditioning field

1123