Mechanical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Mechanical Engineering Interview Questions

Questions Answers Views Company eMail

How do we differentiate oxy & acetylene?

TATA,

1 3457

In order to ensure constant pressure and constant flow rate of compressed air what should we put between the compressor and end user?

1 4071

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

1972

when measuring flow of liquid what are the two things to measure

Focus Energy,

2 22762

In which industrial process you will use centrifugal separator?

Reliance,

2 9625

If any machinery or transmission needs periodic and regular lubrication what is the best method to give it?

Focus Energy, Tech Mahindra,

2 29203

Oil melts, grease melts. Is there any other liubrication which is effect at 200 deg c?

Focus, Focus Energy, Student,

2 41068

What is a torque converter?

1 4697

Instead of having individual transmission what is the benefit of unified transmission?

Tehama,

2 19965

What are the different types of mechanism to engage primary moving engine and transmission (in other words how many different types of clutches are there)?

Focus,

1 21911

In order to ensure constant pressure and constant flow rate of compressed air what should we put between the compressor and end user?

NTPC,

10 29980

What can be the reasons for a metal gasket to leak?

5 28519

In which industrial process you will use centrifugal separator

Focus Energy, IOCL,

5 34932

state the microstructure of annealed and normalized

1889

WHAT HAPPENS TO THE VOLUME OF SOLIDS BY INCREASES TEMPERATURE OF THAT SOLID

L&T, Titan,

1 5644

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Un-Answered Questions { Mechanical Engineering }

Is shear thinning fluids and the linear viscoelastic fluids are the same?

1071

please send all previous solved question papers on HLL......

3027

Under what condition a convergent divergent nozzle required ?

1008

What should be done to prevent a safety valve to stick to its seat ?

1044

If I can absorb 9,000 lux of sunlight in the bottom of a pool what will the temp rise be per hour, per square foot of absorbing material, per gallon be? Temp of pool deck 115 degrees, water temp 75 degrees, 120,000 lux on the pool deck

2065

What are the disadvantages of axial flow (piston type) automatic control valve compared to the conventional types (globe or diaphragm) If you are a designer/specifier, do you accept this type of valve for using in building's piping systems ?

2172

What is hysteresis

1483

What are the causes of failure of superheater tubes ?

991

what is the reason if a supply air grill located top of the glass and glass is getting sweated.become like mist.

2069

What is the purpose of turning gear

2009

what is the material of radiator sleeves or mesh?

1960

What is hertz in electrical system?

1986

HOW CAN WE MEASURE THE L SHAPE SURFACE OF THE MOMENT OF INERTIA AND SECTION MODULUS

1907

What are the causes of positive and negative propeller slip?

2007

differentiate between total moisture and inherent moisture of coal.

1019

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