Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

Which grade oil used in gear box.

13 10635

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

3 2446

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

2 2537




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 2352

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

HAL, Bhilai Steel Plant,

3 4502

why mechanical engineering?

TATA, US Consulate,

5 4652

WHAT IS DIFFERENCE BETWEEN ANNEALING,TEMPERING AND NORMALIZING

Genus,

4 39105

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

Hyundai,

7439




whitc material has high tensile strength

DRDO, Crystal,

11 6860

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

2 3283

What is knoking

3 3355

defination of vibration

4 4928

How do i calculate compressor capacity in a refrigeration system?

5 7896

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

656

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 15404


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Un-Answered Questions { Mechanical Engineering }

what is jdbc bridge?

838


"In boiler, what does steam and smoke goes out to the funnel. What reason?"

620


What happens when too much cylinder oil is injected in the working cylinder?

957


How to decide the thickness of sheet metal while designing the bracket?

4902


Who are the leaders among expansion valve manifacturers? what are the recent developements in the expansion valve industry, used in refrigeration abd air-conditioning?

702






Where can you find thermometers in diesel engines?

634


about induction motor

641


For a high pressure/ high temperature multistage pump (Boiler Feed Water Pump), what is the average life of mechanical seal? Does life of DE and NDE differ, if differ, how much? Why?

741


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

1063


Give five differences between suction and discharge pipes?

772


What is the maximum P-max for a cylinder in M/E.

562


Explain the principle of Suizer Fuel oil injection pump

677


how can we find the discharge pressure of the pump with the use of flow and NPSH?

628


what is procedure of measuring operating length of mechanical seal . (in case of centrifugal pump)

1058


Please inform about mahagenco exam 2010?

1649