Machine Design MCQ with Answers

Machine Design MCQ with Answers

516) The ball bearings are, usually, made from

Answer is:

medium carbon steel

The ball bearings are, usually, made from

517) The V-belt is used to transmit great amount of power and when the two pulleys are very near to each other.

Answer is:

Correct

518) A coupling used to connect two perfectly aligned shafts, is

Answer is:

all of these

Explanation:

A coupling used to connect two perfectly aligned shafts, is
* muff coupling
* compression coupling
* flange coupling

519) A double strap butt joint (with equal straps) is

Answer is:

always in double shear

520) The modulus of elasticity for mild steel is approximately equal to

Answer is:

210 kN/mm²