Here are the sample technical questions form Caterpillar India technical test paper for mechanical, electrical B.tech engineering students. All placement papers

 

Caterpillar Inc. Technical Test:

These are all actually multiple choice questions.

Which of the following uses consumable electrodes. 

MIG, TIG, .. .. 

Which alloy is used in  the manufacture of surgical instruments.

sum using thermal coefficient of expansion to find stress

 

Spinning causes

a. Bending b. bending and stretching  c. stretching
A question about critical speed of a shaft 

List some uses of superconductors.

Few questions from Internal Combustion or IC engines :

For a given compression ratio the efficiency of Otto cycle>Diesel cycle. 

Turning moment diagram for compression stroke of IC engine.

What is the ratio of brake horse power to the energy supplied.

Does double slider mechanism follow an elliptical path?

Will a room’s temperature decrease if a refrigerator is opened? Fan is also on.
How can you improve resistance?

If fine powder is added to a metal solution, it forms single crystal / refines grains

 

What is the purpose of draft allowance in moulding?

 

In refrigeration where will the temperature be maximum?

The temperature will be maximum between compressor and condenser

 

how will u compute performance of desel eng?ans:bsfc

 

Using which pump will you pump sewage water?
How can you improve resistance?

 

What method do you use to pump a viscous fluid?

honing process

 

if thread angle is increased (mechanical adv decreases)

 

principal plane condition:(shear stress 0,normal stress max)

If various sizes , hp etc. of engines are to be tested, which measure is taken

a. a/f ratio
b. swept vol etc

What is the value of pressure used in elec resistance welding?

 

Which thermodynamics law explains the heat transfer?

See all technical interview questions.