Machine Design
The resilience of a bolt may be increased by

Increasing its shank diameter
Decreasing its length
Increasing its length
Decreasing its shank diameter

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
The effective stress in wire ropes during normal working is equal to the stress due to

Acceleration/retardation of masses plus stress due to bending
Bending plus stress due to acceleration/retardation
Axial load plus stress due to acceleration/retardation
Axial load plus stress due to bending

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
A hollow saddle key is

Provided in pairs at right angles and each key is to withstand torsion in one direction only
A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft
A taper key which fits in a key way of the hub and is flat on the shaft
A taper key which fits half in the key way of hub and half in the key way of shaft

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
A bolt

Has a head on one end and a nut fitted to the other
Has both the ends threaded
Has head at one end and other end fits into a tapped hole in the other part to be joined
Is provided with pointed threads

ANSWER DOWNLOAD EXAMIANS APP