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 effect of steam turbine control valve throtting in turbine efficiency.

3 11062

WHAT WILL HAPPEN IF RELIEF VALVE IN HYDRAULIC SYSTEM FAILS?

4 10289

by having a backlog in 1 sem mean that i will have astar in my certificate

1 3117

What is a purpose of slow firing before commissioning of bagasse based boiler. and what is the water requirement for make up?

1 14499

what is p11

5 11056

How do you weld 25 mm thick plate?

Bhel, Essar,

11 19215

What is the Full form of AIF in Compressors ?

MAHINDRA,

5 10371

how can calculate COP?

5 8119

a partical throw a 30 meter hieght after 2 sec another particle thwough same velocity & mass . what is the place they are meet each other in space.

2 4451

what is turbo machine

L&T,

9 17469

which engine is produced more pollution than other petrol or diesel?

GWJ,

10 13340

diffuser increases pressure but in turbine pressure is decreasing when steam passing through casing?

MAHINDRA, NTPC, Qatar Gas,

5 9725

we use parallel flow heat exchanger to coo oil of 1000 EP viscosity,oftenly tubes may damage during cleaning etc what is proper way to clean cooler? How impurities decreased or vanished during working or in less teme job performed?

1812

please give me the ans. of following mcq A nozzle is a device which: (A) Increase pressure & reduce kinetic energy (B) Decreases pressure & increases kinetic energy (C) Reduces both pressure & kinetic energy (D) Increases both pressure & kinetic energy

7 12582

if the refrigeration door is kept open in a room what would happen in room temperature?

Emerson, L&T,

19 29302

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Un-Answered Questions { Mechanical Engineering }

What causes diesel engine trouble when using heavy oil?

2062

Is it ABS AH 36 material equivalent to IS 2062 Gr B material.

21051

Explain the function of cooling water expansion tank.

1950

Define thermal conductivity.

1161

What are the causes of dirty lubricating oil?

1865

how to calculate GD square for pump?

1829

What is the detailed meaning of automotive clutch endurance test and inertia test?

2325

what is advantage and disadvantage of forward curve and backward curve blade of an id fan impeller and FD fan impeller??

1602

What is the relation between the thickness of the thermal boundary layer and the depth of the hydrodynamic boundary layer?

1122

What are the different type of mechanism to engage primary moving engine and transmission [ In other word how many different type of clutches are there

2071

Checking points in steering gear system?

1915

explain the methods of measuring aproblem of armature reactionof DC machine?

1886

please send previous year que. paper of je mech rrb.

1985

How do you design a system which is required to experience a shock force of 15G in 10 milliseconds?

1825

What causes damage to impellers?

2032

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