Machine Design MCQ Question with Answer

Machine Design MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
Aircraft body is usually fabricated by


Question No : 9
Which of the following statement is correct?

The cold rolled shafting is stronger than hot rolled shafting
The hot rolled shafting is stronger than cold rolled shafting
The cold rolled and hot rolled shaftings are equally strong
The shafts are not made by rolling process

Question No : 10
In a butt welded joint, the size of weld is __________ the throat of weld.

0.5 times
Equal to
2 times

Question No : 11
The temperature at which the new grains are formed in the metal is known as

Lower critical temperature
Upper critical temperature
Recrystallisation temperature
None of these

Question No : 12
Belt slip may occur due to

Heavy load
Loose belt
Driving pulley too small
All of the above

Question No : 13
A steel containing 0.8% carbon is known as

Eutectoid steel
Hypereutectoid steel
Hypo-eutectoid steel
None of these

Question No : 14
The dedendum is the radial distance from the

Pitch circle to the top of a tooth
Pitch circle to the bottom of a tooth
Top of a tooth to the bottom of a tooth
Addendum circle to the clearance circle