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 pipe and tube?

Bhel, NTPC,

6 9494

What is the relationship between hardness and tensile strength?

1955

How does optical pyrometer work?

2122

How catalyst converter works?

1 3724

How catalyst converter works?

1 3395

What is under cooling and supercooling?

4 22361

what is the water condition in high pr. boiler?

Thermax,

2 4642

why coposite materials are sronger than solids

Engineers India,

2089

Effect of surface finsh & surface roughness on coefficent of friction in form press tools.

1949

min work in a compresor is possible when the value of adiabatic index n is equal to a).75 b)1 c)1.27 d)1.35 e)2 what is adiabatic index.

1 11767

the specific work input during a compression cycle from p1 to p2 , if compresion is isothermal, is given by p1v1logp2/p1. explain?

1 7096

an engine operates between temp of 900k and t2 and another engine operates between t2 and 400k. for both engines to do equal work what shuld be the value of t2? a)650 b)600 c)625 d)700 e)750. with explaination.

General Motors GM,

6 20796

what is air standard efficiency of a cycle?

2 13179

How much mass of oxygen is required to convert 1kg of carbon into 11/3kg of co2. explain

1 4306

Why you consider yourself suitable for the post

2934

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Un-Answered Questions { Mechanical Engineering }

find the damper capacity of a system having a damping co efficient of 90% with a vibrating mass of 0.1Kg over a spring having a stiffness of 1KN/m.

1771

generally how much percentage is required to sit in exam of PSU'S for mechanical engg. candidate (general category)

2837

Define nusselt number [nu].

1008

Is it a good sign when thick smoke comes out of a Oil vapor extraction fan of a steam turbine oil sump? What does it indicates?

896

SIR, PLZ GIVE ME INFROMATION FOR WRITTTEN TEST AND PI IN ISRO AHMEDABAD (MY MAIL ID:-ppdave@yahoo.com)

2059

Difference between turbocharging and supercharging in diesel engines?

1440

Why efficiency of gas turbines is lower compared to i.c. Engines ?

1062

Sir, I'm P.Ravi Kumar want to previous mechanical Question Papers for rrb exam

1864

Explain how does a super charger work in a car?

961

Define representative elementary volume?

1015

"What is the remedy if due exchanging, valve broke out during engine running operation?"

1977

difference between internal energy and enthalpy?

2021

Dear sir-I WANT LAST FIVE YEARS RRB-CHENNAI QUESTION&ANSWER PAPER IN J.ENGG(GRADE:II)-MECHANICAL ENGINEER

2107

Draw L.O. system in diesel engine?

2206

Explain the difference between pearlite and cementile ?

1123

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