October 10, 2013

MECHANICAL ENGINEERING JOB INTERVIEW QUESTIONS

1.)What does pump develop:- (a) Flow (b) Pressure

Ans.A pump does not create pressure, it only creates flow. Pressure is a measurement of the resistance to flow.

2.) Difference between Performance and Efficiency?

Ans.The accomplishment of a given task measured against preset known standards of accuracy, completeness, cost, and speed is called as Performance. Efficiency is defined as the input given and the work obtained from that input like money, time, labour etc. It’s the main factor of productivity.

3.)What is Sentinel Relief Valve?

Ans.It’s a special type valve system. The valve will open when exhaust casing pressure is excessive (high). The valve warns the operator only; it is not intended to relieve the casing pressure.

4.) What is the difference between Specification,Codes, Standards?

Ans. Specification is describing properties of any type of materials. Code is procedure of acceptance and rejection criteria. Standard is accepted values and compare other with it.

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