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Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

what is steam temperature measuring unit in steam turbine?

2 5587

why does polytropic efficiency of a compressor decrease with increasing flow rate ?

L&T, ONGC,

2065

how we can calculate natural vibration frequency for steam turbine rotor please.

IBM, TATA,

3313

resent profession and what would you define as your career objectives

 1584

i want to know what r the various job in government as well as central government, for mechanical engineers. can any one answer plz

 1510

Re: what is different between run out and concentricity in Gd &T

 1547

ET-2012 questions published

BARC,

1775

interview questions asked in BHEL posteded in website

BARC, Bhel,

1 7611

length l and width b is given for a rectangle.and the perimeter of a rectangle is denoted by p.another rectangle length is 2l and width is 3b and the perimeter of a rectangle is p1.find the ratio between those two perimeters?

 1 2428

lim x tends to 0 sin4x/x

2 3454

What materials use to make valve body, and What data needs to choose correct valve size

TVS,

2154

what is production

 3 4151

should cutouts made in main header of metal ducting be deducted from duct measurement.

BARC,

1751

HOW MUCHSTACK EMMISSION THROUGH YOUR CHIMNEY AND WHAT IS THE STATE GEVINORMS

Jindal,

1 3133

How scoop works in hydraulic coupling of Motor driven BFP

NTPC,

1 7835

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Un-Answered Questions { Mechanical Engineering }

What type of gear is the first reduction gear pinion?

2343

How to operate soot blower boiler and economizer?

1685

What do you understand by sulphur print ?

639

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

613

What is the alloy of tin and lead?

639




A fan is handling hot air at 285 degC with flow of 411635 m3/hr, power consumed is 1165kW and efficiency is 66%. what will happen to flow, power and efficiency of the fan if a water spray system is introduced to reduce the air temperature up to 200 degC? (also please refer any document regarding this)

1485

What is the use of divider?

632

What is the difference between stalling and surging in rotary compressions ?

607

Explain the fresh water cooling system.

1401

What are two types of clearance in a turbine?

643

What is meant by cross flow heat exchanger?

626

Crankcase oil mist detector

1523

What are the two basic types of steam turbines?

637

Define monochromatic emissive power. [EbĪ»]

787

Which theories of failure are used for ductile materials ?

633

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