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

Mechanical Engineering Interview Questions

Questions Answers Views Company eMail

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

2104

difference between internal energy and enthalpy?

MAHINDRA,

2069

Which type of gear train used in Wrist watch?

Bhel, Escorts, L&T,

6 25850

Internal energy of a substance depends on

Bhel,

2 9797

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

Bhel, Swaraj,

3 10196

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 16514

One wink is equal to how many minutes?

Bhel, SR,

7 20603

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

Bhel,

8 13909

Gegger is used in foundry for the purpose of____________

ARM, Bhel,

2160

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

Bhel,

3 6404

Escape Velocity of Earth is

Bhel,

2 4750

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

Bhel,

1 5429

Corundum mainly Contains__________

Behr, Bhel,

1 3866

Which Property Shows Resistance to flow?

Bhel,

2 5542

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

Bhel,

5 7054

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Un-Answered Questions { Mechanical Engineering }

how to select the capacity of an exhaust blower( exhaust booth) in an automobile industry.

1955

List the different devices and components of main switchboard.

2459

Why and what cause of leak fuel oil in high pressure pipe of main engine?

1901

What is torque converter?

1617

Assume a DC motor with the following parameters : Motor torque control = 0.0848 Nm/amperes Back EMF control = 0.0848 Volts/(rad/s) Armature resistance = 0.75  Moment of inertia = 0.00001696 kg/m2 With zero frictional load and taking a feed forward gain of 2, determine the motor response for a unit step function. please forwaded the answer to the below mail id thanks in advance Regrads, peer_kaba@yahoo.co.in

1974

Which reactor uses heavy water as moderator ?

1132

state the law of thermodynamics?

1082

can any1 provide me the PLACEMENT PAPERS FOR BHEL

2085

What is IS standard in case of mode of measurement for ducting

2180

how water evaporated in sea

2005

What are the some examples of a periscope?

1019

how to size an expansion tank in chiller system ?

2080

Interview question paper

2430

What is heavy water and what is its use in nuclear plants ?

1232

Fire Engine should be stopped in auto mode or not. If stopped then why and if not then why not?

2519

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