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 furnace burns low-ash fusion coal and retains most of the coal ash in the slag?

1147

how you can define coal ?

1104

What is the function of thermostat in cooling system of an engine ?

1192

What is the name given to portion of thermal energy to be necessarily rejected to environment ?

1110

Why pistons are usually dished at top ?

1331

What for admirality brass used ?

1163

What are killed steels and what for these are used ?

1308

Explain nuclear reactor?

1235

Why boiler is purged everytime before starting firing of fuel ?

1181

Out of electric heater and heat pump, which is economical in operation ?

1163

What is bauschinger effect ?

1175

If percentage elongation of a material is more than 200%, it is classed as ?

1351

Explain the difference between pearlite and cementile ?

1216

When maximum discharge is obtained in nozzle ?

1111

Which theories of failure are used for ductile materials ?

1197

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Un-Answered Questions { Mechanical Engineering }

Which tools are used in fitting shop?

1195

Quantities like pressure, temperature, density, viscosity, etc. Are independent of mass. What are these called ?

1153

pl. send me jr.engg.model question for rrb malda.

2076

Sketch the jacket cooling system?

2146

Crankcase oil mist detector

2092

Which one has higher efficiency - Diesel Engine or Petrol Engine?

1176

What is comprehensive definition of compressor surging

1465

How the F.W.C. system of diesel engine circulate?

2178

What are the typical indicator diagrams?

1904

How to calibrate Vacuum Gauges if you don't have any standard gauge available with you? please suggest procedures for calibration of Vacuum gauge like pirani gauge ,cold cathod gauge,thermocouple gauge without any standard gauge.

2860

State the function of neck ring in centrifugal pump?

1134

WHAT IS A TR REQUIRED IF AIR FLOW 6500 CMH COIL INLET TEMP 7 - 12 DEGREE C AIR TEMP INLET - 18 DEGREE C & REQUIRED TEMP IS 12 DEGREE C

3672

What are orthotropic materials ?

1217

draw neat sketch of pirani gauge with wheatstone bridge circuit to measure output. discuss its construction working princple

3139

Explain the causes of the exhaust valve leakage.

1924

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