Mechanical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Mechanical Engineering Interview Questions

Questions Answers Views Company eMail

Which grade oil used in gear box.

13 20644

what are the causes of small two-stroke engine wear?

3 5031

In HVAC R22 gas are using for cooling but why oil are using & which type of it is???????/

2 4927

hi for amvi post 3 years of experience in lmv is mandatory rule my lmv will get old for 3 years for the next year 8 month 2009 buddyys plzz post exam pattern to my email id to sama_reddy2003 @yahoo.com

1 4164

Hi everyone.. I attended the HAL interview... on 9th dec 2008 @ Bangalore.. the interview was 90% technical... my question are>>>>> 1) Design a rod that should withstand 1000N? (they told that the material is mild steel & they gave me the stress- strain graph for that) 2) what is the principal of hydraulic braking?? 3) whether interchangebility is possible between JIGS & FIXTURES??? 4) what is recent developement in Automobile ENGINE??? 5) abt my final year project (since i m a fresher) 6) some HR questions

Bhilai Steel Plant, HAL,

3 7224

why mechanical engineering?

TATA, US Consulate,

5 8927

WHAT IS DIFFERENCE BETWEEN ANNEALING,TEMPERING AND NORMALIZING

Genus,

4 45312

define material grades 15b25,10b21,scm-415,16mncr5 in detailwith their compositions

Hyundai,

9389

whitc material has high tensile strength

Crystal, DRDO,

12 15515

What is Six Sigma, Where is it used and what is its Benifits

2 5511

What is knoking

3 6408

defination of vibration

4 8444

How do i calculate compressor capacity in a refrigeration system?

5 12272

HOW LIGHTENING PROTECTION IS DONE ON ROOF OF SQUARE SHAPE AND HAVE PARTUCULARLY BIG SURFACE AREA.

1986

AIR CONDITIONERS HAVE RATING IN BTU AND TON OR SOMETIMES IN KW ALSO... WHAT IS THEIR RELATION? ALSO ACs HAVE TWO POWERS (IN WATTS) WRITTEN ON THEIR NAME PLATES WHAT DOES EACH MEAN? HOW TO DETERMINE THE RUNNING CURRENT IN AMPERES OR THE ENERGY CONSUMED IN WATTS? WHAT IS THE THUMB RULE FOR DETERMINING THE CURRENT AND TON OF AN AC?

Carrier, HAL,

7 20708

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Un-Answered Questions { Mechanical Engineering }

Name the common carpentry tools?

1028

What is a cotter joint?

1047

Explain how does hydraulics work?

1029

How many lubricating holes are there in cylinder?

1954

What is the difference between heat capacity and specific heat of a material ?

1102

What is meant by counter flow heat exchanger?

1087

what is natural frequency & how to find it?

1813

What is the temprature used in dearator tank?

2394

What are the causes of failure of boiler tubes ?

1074

RRB exam model questions pls forward.

1904

Why thermal efficiency of i.c. Engines is more than that of gas turbine plant ?

1006

What are the ASTM materials used to manufacture boilers?

1958

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

1864

A very strange fault i cam across today,that i never experienced not studied before, i need an answer for this. Phase to phase or line to line , L1,L2 & L3, voltages are 490VAC, but if i use line to ground , its again 490 VAC. . . whats the fault and theory behind of it?

1894

Is radiography require in IBR piping of size 40 NB(1 1/2" inch)?

1555

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