Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

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

923

difference between internal energy and enthalpy?

MAHINDRA,

889

Which type of gear train used in Wrist watch?

L&T, Escorts, Bhel,

6 17020




Internal energy of a substance depends on

Bhel,

2 6967

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

Bhel, Swaraj,

3 4207

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 9549

One wink is equal to how many minutes?

Bhel, SR,

4 6499

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

Bhel,

8 7762




Gegger is used in foundry for the purpose of____________

Bhel, ARM,

913

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

Bhel,

3 3536

Escape Velocity of Earth is

Bhel,

2 2246

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

Bhel,

1 3552

Corundum mainly Contains__________

Bhel, Behr,

1 1879

Which Property Shows Resistance to flow?

Bhel,

2 2476

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

Bhel,

5 3068


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Un-Answered Questions { Mechanical Engineering }

whats the coloring code of a air to open or a air to close valve?

570


pl. send me jr.engg.model question for rrb malda.

892


Tell me how you are ready to comply with the employment rules and regulations if your CV is considered for employment?

3281


I was absent for a 4 supply exams.. Will there any credit decrease for that exams in r16 regulation7

95


have a clutchless car or bike clutch for power transmission???

818






which technology use in bikes

798


What causes damage to impellers?

771


"What do you going to observe, when a diesel engine is running?"

715


describe a type when u anticipated potential problems and development of preventive measure.

718


please send previous year que. paper of je mech rrb.

777


general diesel engine we are using 15w 40 oil unfortunatley our oiller mis used the oil hudralic oil refilled when he doing the service which kind proplem coming in future?

971


what is mean by Hydraulic Overload in presses

805


Is there a lower limit to the gland surface finish for static O-rings, gaseous system? surface finish table lists 0.41-0.81 micro-meters for static gaseous systems. What is the drawback of using a smoother surface finish lower than 0.41?

646


why boiler is closed system ?

548


What are the items to inspect after cylinder liner is pulled out

766