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?

2057

difference between internal energy and enthalpy?

MAHINDRA,

2021

Which type of gear train used in Wrist watch?

Bhel, Escorts, L&T,

6 25575

Internal energy of a substance depends on

Bhel,

2 9684

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

Bhel, Swaraj,

3 10044

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 16298

One wink is equal to how many minutes?

Bhel, SR,

6 19938

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

Bhel,

8 13662

Gegger is used in foundry for the purpose of____________

ARM, Bhel,

2121

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

Bhel,

3 6288

Escape Velocity of Earth is

Bhel,

2 4619

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

Bhel,

1 5330

Corundum mainly Contains__________

Behr, Bhel,

1 3781

Which Property Shows Resistance to flow?

Bhel,

2 5451

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

Bhel,

5 6903

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Un-Answered Questions { Mechanical Engineering }

How to find the max load of the engine?

2037

My parents green card holder and sister is citizen so... . I m applying for spring 2010 for F1 visa... how can i convince visa officers for visa?

1740

What are sleeve and cotter joint?

1021

why the head portion of the screw jack (which carries the load when not rotating) is made hollow?

2156

Whether individual components in composite materials retain their characteristics or not?

1206

How does length and initial angle affect the period in a simple pendulum?

1168

why desuperheater tubes are bend in shape

2561

Purpose of lubricator in a large diesel engine.

1925

Why RPM cum hour meter connection is not possible in water cooled DEA set. Is there any problem in sensing?

1937

What is temper embrittlement in alloy steels and what are its effects ?

1104

which tests are performed in central air conditioning

1993

sir please send previous question papers of technician grade III of all rrb's. thank you

2026

If Seller is Registered with Karnatka State and Selling the Engg. goods to Delhi based non registered company, then what is the CST they charge?

2019

What do you understand by heat treatment?

1032

Metals, in general are of low strength and do not possess required physio-chemical and technological properties for a definite purpose. Alloys are therefore more than metals alone. Discuss the arrangement of atoms and structures of alloys.

1058

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