Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

Is copper tube withstand under hard water say as 500 TDS.And is it cleanable by solfamric acid or by tube brushing

Cadila,

1789

What is the difference between bolt and screw

3 5177

What will happened if two gear boxes in parallel are working with different motor speeds?

Lloyds Steel,

1 3372

1st law of thermodynamics

IFFCO,

9 12571

which is the good mainteanance?

4 5373

WHY WE USE DC IN MIG WELDING

FMI, TATA,

3 5298

WHY THE WELDING JOB IS MAKE NEGATIVE IN MIG WELDING

JSW, TATA,

2 6040

how much 1kn of 1hp

ABB,

2 4319

how many types of sensors used in a air handling unit

Google,

1732

When crude oil heated Which Hydro carbon comes first?

Essar, GM General Motors,

1 6315

The fatigue life of a part can be improved by ?

Essar,

2 18393

Poisons ratio is higher in (rubber/steel/wood)

Essar,

5 11709

Which mechanism is used to hold the gear ?

3 5404

about basic questions ofpiping engg

1390

what is the peripheral velocity of two mating gears?

Hero Honda,

1 9625


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Un-Answered Questions { Mechanical Engineering }

What does thermal diffusivity of metals signify.

619


At 50 Centigrade (Diesel oil) what is its cast?

1517


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1535


Which theories of failure are used for ductile materials ?

614


if we not carried out B check at mean time in DG set what will be happen?

1447






Explain what does 0.125 inch stand for in 0.125 inch npt thread?

644


What are the causes of emergency stop in a steam engine?

1515


book name for the written test of rrb exam

2185


Please tell me the difference between EN31 and OHNS material.

7611


The amount of radiation emitted per scm per sec is called …. ?

585


Electrical symbol

1515


Why RPM cum hour meter connection is not possible in water cooled DEA set. Is there any problem in sensing?

1474


how to find the L shape surface of the moment of inertia and section modulus.

1660


How to calculate heat load .For example 10 TR .Then how we will find load (we want rh(relatavie humidity) sir)

1149


What is ferrite?

817