Machine Design
In unilateral system of tolerance, the tolerance is allowed on

One side of the nominal size
Both sides of the actual size
Both sides of the nominal size
One side of the actual size

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
A tap bolt

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

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will

Move towards right of the bearing making the metal to metal contact
Have contact at the bottom most of the bearing
Move towards right of the bearing making no metal to metal contact
Move towards left of the bearing making metal to metal contact

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Elastic nut is a locking device in which

A slot is cut partly in middle of nut and then slot reduced by tightening a screw
One small nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming
Hard fibre or nylon cotter is recessed in the nut and becomes threaded as the nut is stewed on the bolt causing a tight grip
Through slots are made at top and a cotter pin is passed through these and a hole in the bolt, and cotter pin splitted and bent in reverse direction at other end

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Machine Design