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 procedure to start the turbine?

CSIR, CSIT, Hyundai,

1 3455

what is the difference between impact force and sudden force?

4 8363

what is the angle of twist drill

ONGC,

9 20752

wht is octane number from indian refineries

2 8734

advantage & disadvantage of using lpg in car ?

3 7820

all rector or exchanger have spherical/semispherical end why?

2 4067

compare brayton and otto cycle

2308

current rating of a 3 phase dg set is 20 amp, but what will be the per phase current for single phase supply?

2227

What is the difference between torque and moment?

2 7077

What is critical pressure ?. What will happen if water is heated above critical pressure and temperature?

5 9243

Upto what presrure natural circulation is possible in Boilers?.

2 4732

What is the importance of Prandtl Number in heat transfer?.

3002

Compare the prandtl numbers of Air, water and Liquid metal. If prandtl number is more what do you understand?

3503

why can't you use centrifugal pumps for pumping viscous fluids?

3 7213

Why head of a centrifugal pump is independent of density of fluid?.

2470

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Un-Answered Questions { Mechanical Engineering }

What is the purpose of scrapper ring

2446

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.

3353

When was the first space rocket built?

1267

WHAT IS THE TOTAL HEAT RATE OF PLANT AND WHAT IS THE HEAT RATE OF BOILER?

2225

What is compound gage

1845

What is wet corrosion and galvanic corrosion?

1138

Who invented the four-stroke engine?

1116

What is stellite ?

1140

What is the effect of inter cooling in gas turbines ?

1206

If saturated temp of water is 99.8degc at atmospheric pressure,then how the water of sea is evaporated at normal temp

2246

what should be the correct duration of slow firing of the coal based and biomass boiler?

2020

Explain the congressional space medal of honor?

1021

What is a pneumatic system?

1113

Is there significant affect on the output of modern gas turbines due to low frequency.

2019

• What is your weakness?

2021

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