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 turbine, high speed or low speed is efficient to generate 30MW power? or High RPM machine is more efficient or low RPM?

HMT,

1 4537

if it is possible for the air conditioner to maintain the temperature of 20 degree Celsius when the atmospheric temperature is 10 degree celsius

4 6107

How many type's of bearings.

HEG,

11 14779

what is the pressure and how to calculate it?

Virgo,

2 4834

The range of mechanical efficiency for automobile engines is.................... A.70-80% B.90-100%

2 10738

whether supercharger is used in si engine or not?if it is used then at which destination?

1 4219

id fan impeller vane direction &rotation direction

1 5702

how much power consumption takes for 2tr split a/c per one hour

3 5111

TRANSACTION CODE FOR GR/IR ACCOUNT CLEARING WITH POSTING DATE OF GR (MATERIAL DOCUMENT POSTING DATE)TO CHECK ACTUAL CLEARING GR/IR CONTROLLING ACCOUNT

1 3161

Procedure of boiler commissioning part by part

1 3923

in a centrifugal pump .. when we close the delivery valve partially .. does this increase the pressure before or after the valve .. and why ??

1 3823

in a centrifugal pump .. when we close the delivery valve partially .. does this increase the pressure before or after the valve .. and why ??

4 7938

what is difference between (pressure and stress), (sencitivity and efficiency) .

Bosch,

7 12391

what is the minimum gear ratio?

Bosch,

3 9736

4 = S in R

Eicher,

1 4171

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Un-Answered Questions { Mechanical Engineering }

difference between internal energy and enthalpy?

2069

Describe a contribution you have made to a project on which you have worked previously?

2537

What is compound gage

1845

Mention stefan boltzman contant.

1169

What is the indication of leaking starting valve of an engine?

1832

hi,i am sekar.i am prepareing Assistant Motor Vehicle Inspector in TN.Transport ,if any one have previous year model pares or some questions,pls send me at gpsekar2007@gmail.com.

2012

Compare the working principle of gas turbine of capacity more than 10megaW, diesel generator and wind turbine

2159

Why is heat treatment required?

1192

What is the purpose of increasing the pressure on the F.O. system of the engine?

2186

Define radiation.

1150

Is there a lower limit to the gland surface finish for static O-rings, gaseous system? surface finish table lists 0.41-0.81 micro-meters for static gaseous systems. What is the drawback of using a smoother surface finish lower than 0.41?

1879

What is meant by running clearance?

2552

What is a feasibility study?

1235

What is the use of outside micrometer?

1400

why we use kg/cm2 instead of kg/m2 as a unit of pressure. As we know kg is a MKS unit and cm is a CGS unit. So why we use combination of both(kg/cm2)while describing the pressure.

11027

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