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Mechanical Engineering Interview Questions
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pls any one send me the last 5 years rrb QP - hari.devarajan@gmail.com

 2137

how much efficiency loss will took place in a steam turbine due to low vacuum

 1 5359

asked about the power transimmisions and types of power drives and about milling different process types and differnce between straddle milling and gang milling

HAL,

1555

what is bearing? how many types of bearing

 7 13901

Why Air Conditioner capacity measured in Ton. Like 1.5ton

Jindal, TATA,

1 5415

WHAT IS THE DIFFERENCE BETWEEN RATED SPEED AND ECONOMIC SPEED?

BARC, L&T,

3 16548

Suppose a steel bar of cross sectional area A is subjected to load P at one end and 2P at the other end ,what will be the induced stress in the bar?

BARC,

5 9420

what is the diffrence between Torque and Power ( layman Idea)?

BARC,

2394

why petrol engines have more power than diesel engines of same capacity?

BARC, TCS,

27 26404

even though LPG is economical than petrol,why we are not promoting LPG usage?

BARC,

9 12599

what is unit Ps ?

BARC,

7 11589

why we express the unit of torque in Nm.even though it can be expressed as Joule ( J )?

BARC,

10 14006

why we cant measure absolute entropy directly,but the change we can?

 1896

Can anybody please provide any link to calculate force rquired to bend a metal sheet into pipe? or describe how is it calculated?

 2 3506

what are engines that use carburetor and that use inductor ? difference between them

 6 9294

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Un-Answered Questions { Mechanical Engineering }

what is milling and types of milling?what is drilling and types of drilling? what is tapering and their types?

2545

Define angular momentum?

617

How cavitation can be eliminated in a pump?

627

What is 1810 stainless steel?

660

How the thickness of thermal boundary layer and thickness of hydrodynamic boundary layer related ?

597




What are the procedures of starting of diesel engine?

1588

Where id the warm side of a refrigeration system?

1700

how to calculate the size and weight of induced draft axial fan impeller

992

where i can get APPSC AEE(Mechanical Engg) previuos question papaers

2602

In process control loop e/p converter receives 4-20 ma input current from which control block?

1413

What is weight of 1m3 of seawater?

598

what is the rpm of Turbocharger of Cummins KTA50G3 Diesel Engine?/ Normally What is the rpm of Turbocharger for any 1 MW Engine?

2369

Explain why re-heater is used in gas turbine

661

[lease send recent question papers of rrb in junior engineer

1450

What is wet corrosion?

604

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