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 CFM & PSI?

Gammon, Nalco, Sata Vikas, Siemens,

3 6930

Is it required slip & guide for incliened pipe installation to allow axial expansion. If yes, what type we have to use it

Al Inayah,

1955

Where use 6 stroke engine

John Energy,

1 3620

What is gtsc technology?

2339

In 9E frame of gas turbine how many MW is used

OPG, PWW,

1 3431

how to know the direction of a flow in a pipe line in a room without using pressure gauge?

ATS,

1 3581

What is the C check & D check in the diesel generator

Standard Chartered,

2 3753

What is the use of the governor on diesel generator

GLA University, Standard Chartered,

5 6642

How we can find the pressure of valve by knowing its class ?

1 3306

impact strength of an material is an index of its---?

AML, RRB,

1 5961

Differentiate Between High Speed coupling and high torque coupling with examples.

Enercon, Tech Mahindra,

2254

How to recommend which type of coupling is suitable in particular area

1836

If any machinery or transmission needs periodic ana regular lubrication . what is the best method to give it?

KJH,

4335

What is L 110 spider? What does L &110 indicate

Emmennar Pharma, Mega Limited,

1 3908

What is the PLC in (in generator maintenance side) how to it's works and what is use of that

Oil India, Siemens, Standard Chartered,

1 4166

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Un-Answered Questions { Mechanical Engineering }

Which theories of failure are used for ductile materials ?

1195

How to shut down and overhaul the centrifugal pumps?

2737

Mention some of the major contributions made by you in your present and previous jobs:

7985

What is a steam turbine diaphragm?

1156

Explain the fresh water cooling system.

1915

diffuser increases pressure but in turbine pressure is decreasing when steam passing through casing?

3743

What do you mean by A.CC.?

1992

What s gland sealing steam?

1868

what is the material of radiator sleeves or mesh?

2054

Name the welding tools used in workshop?

1160

What are the causes of L.O. high temperature?

2508

How do you determine what suction pressure should be in r22 air conditioning compressors suction line?

1125

What color are thermal oil piping lines?

1306

How many litres did 1 cubic meter contains?

1169

Explain the difference between upstream and downstream in a refinery?

1033

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