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Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

why we can shut down dischareged valve of centrifugal pump while running?

2 2770

what are the applications where bearing should not be used though it can be used(economy may be 1 of the reason)

IIT,

1145

Please brief me reation between timing belt & gear ratio.

Wipro,

1 1836

Please brief me about Ball-screw.

936

What is the meaning of probe in Boilers and that stuff?

997

What is flash steam and flashing phenomena?

1158

what are kinds of power stations ? what is the difference between power station and power plat?

Jindal,

1 1495

what is Retainer?

1001

Explain what meant by Transmissability in Vibration ?

1130

what r the advantages and disadvantages of gas burners and oil one?

966

what r kinds of energies? or types of energies

2 2581

what is the difference between: throttle valve,flow control valve, venturi??

1 10957

Is expansion valve a throttle valve? why? and what is the capillary tube and the difference between it and the above ones?

5 14490

Is enthalpy represent the heat content of a substance? and is the substance is liquid or gas or solid? or all

1 2161

which power station plants r more efficient? which is less? which is most expensive and which is cheapest?

1074


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Un-Answered Questions { Mechanical Engineering }

What are whiskers ?

222


sir i am selected for HAL Ast. Engg so pls Interview Qus

1668


What pressure is highest L.O. Gravity Head or S.W. of the stern tube circulation

1221


What is extruded aluminium used for?

179


Which conducts heat faster steel copper or brass?

167






what is the job responsilties of Sr. engineer in QA/QC deptt.

1105


What is the name of vice used in fitting shop?

219


Name the indicator diagram.

1448


My vendor filled liquid oxygen in our 11000 liter capacity tank. He filled from 1400 MMWC up to 3200 MMWC. I followed the provided conversion table and found that we had been supplied 1800 MMWC liquid which is going to yield 2815 cubic meter. On the other hand, the vendor claims that he supplied as follows:- 5236 cub mtr(3200 MMWC)-2124 cub mtr(1400MMWC) = 3112 cub mtr. I fear that he wants to charge 297 cubic meters extra. He claims that my method was wrong and his was right. He says that this disparity is because of the conical shape of the base of the flask. I will be thankful if somebody can explain me the truth.

2253


WHAT IS DENSITY OF AIR AND PETROL MIXTURE IN 2 STROKE S.I.ENGINE

1257


Explain why would some industries select pneumatics over hydraulic?

157


What is the most important, or helpful,project that you have contributed to?

157


How is natural gas better than lpg?

205


Function of nozzle holden

1852


What is the most economical spacing of buttress ?

222