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 use of vacuum balancing valve in CEP

NTPC,

2218

what is critical temprature

MAHINDRA, TATA,

10 14078

in what cycle steam power plant is based

BDL, IOCL, NTPC,

13 17648

what are da different process to make gear

TATA,

5 8840

what is tooth profile

IOCL, TNPL,

2181

what is generatrics and directrics

TATA,

3803

What is the difference between efficiency and effectiveness of an machine,man

1 5795

What are the differences between heat transfer and mass transfer?

NTPC, TATA,

6 39658

DIFFERENCE BETWEEN CODES,STANDARDS & SPECIFIFCATIONS?

Essar, Mecon,

3 7594

Which is the best lubricant-air, oil or water?

6 12058

What will happen if oil is mixed with boiler feed water?

NTPC,

5 16662

What are the procedures of starting of diesel engine?

4 7265

what is the advantages and dis advantages of critical speed of turbine

Bhel, NTPC,

4 18549

what is difference between fan and blowers

GAIL, Mecon,

11 38558

How the speedo meter ratio was decided for vehicle?

TATA,

1784

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Un-Answered Questions { Mechanical Engineering }

What are the ASTM materials used to manufacture boilers?

1937

What are four types of turbine seals?

1161

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

2193

What type of paper when made into a paper boat floats longest?

930

Explain the principle of Suizer Fuel oil injection pump

1952

effect of temperature on stainless steel,aluminized steel,chromium at (500C-750C)-required for project work on silencer 1.thermal conductivity 2.heat conduction 3.mechanical strength 4.temperature to weight ratio urgent

1802

bel question

1974

What is forced convection?

1083

What is meant by gray body?

1050

Causes of emergency trip of diesel engine

1951

What are the purposes of spiral gear in a purifier?

2564

How do you measure the moment of inertia?

1092

"What is fuel oil viscosity, specific gravity?"

1958

IF RPM OF PTO OF TRACTOR IS 540,torque at pto is 21kg/cm sq.& WE NEED IT TO 1800 RPM ,THROUGH GEAR ONLY FOR THAT WHAT WOULD BE ETHE GEAR STRUCTURE( I.E.NO TEETH OF BOTH GEAR ) IN ORDER TO GET 1800 RPM OUTPUT.

2192

Give five reasons why a reciprocating pump will reduce capacity or pressure when delivering water

2802

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