Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

why piston is cylindrical in shape

Clarion Technologies, Olam International,

7 7367

what is the reason of hat and work is not conserved energy?

1403

what is the dome assembly

Om Engineering,

1410

mechanical efficiency is high in petrol engines compared to diesel engines but why diesel engines are preferred in heavy duty vehicles

Valeo Lighting Systems India Private Limited,

6 8376

If you are scientist to b e and you wish to develop a self-generating power appliances, what would b e the ranking of importance to apply your concept of creating energy using alternator: 1. Washing Machine 2. Motor Water Pump 3. Electric Fan 4. Electric Stove 5. Flat Iron – Which one will b e your foremost and the least at the rank of 1 to 5? Why is that so? Defend your answer.

1148

what is punching force required for embossing of depth 3.5mm and diameter 58mm

Omkar Solar System,

1685

difference between aerofoil meter and orifice meter 

Cethar Energy,

1873

what will be the min curvature ratio for Round Bar dia. 1” size in material grade AISI 4330, Yield strength 115KSI Tensile 140KSI?

TBEA,

1563

T union support factor

1443

Are you ready to comply with the employment rules and regulations if your CV is considered for employment?

4439

As per api 650 code for new ss tank fabrication,in bottom plate bulge is acceptable? How many bulge acceptable for api 650?

Hyundai,

2187

how to calculate bearing size with shaft

Vayunandana Power,

2 3914

define Adapter in centrifugal pump.

Kirloskar, SCL, Toyota,

1 5616

What are the criterias for selecting piping for different utilities services like cooling water, DM Water, Service Water and Fire Water.Please provide some technical literature on that.

DAE,

2 3509

At what principle Air Compressor Works?.. What are the rule governing air compressor operation:

DAE,

2 4066


Post New Mechanical Engineering Questions

Un-Answered Questions { Mechanical Engineering }

Explain working of a fourneyron turbine?

646


What is the difference between Over Molding and insert molding ?

4795


What are killed steels and what for these are used ?

637


why do u ant to join the indian army??

1664


I want to know flow rate,max pressure drop,heat load,design pressure,test presurre,temp both inlet and outlet of coldside and hot side of 1,2,3,5,5.5,7.5,10,12,15 tons

1410






Which material grade is better for low temperature application upto -20 deg C either IS 2062 GR B OR IS 2062 GR C ?

1857


What is the difference between shear center flexural center of twist and elastic center?

749


What are the assumptions made in simple theory of bending?

645


Causes of M/E high exhaust valve temperature

1474


What is the difference between the flight of a plane and a helicopter?

612


find the damper capacity of a system having a damping co efficient of 90% with a vibrating mass of 0.1Kg over a spring having a stiffness of 1KN/m.

1389


Please anyone send me previous papers of ONGC (Mechanical Engineering) at my email id jtndrkmr.vermaapril@gmail.com. Please help me.

1673


What is torque converter?

1018


What are the causes of I.O. high temperature in a diesel engine?

1409


What is a cotter joint?

650