Theory of Machine
The method of direct and reverse cranks is used in engines for

Vibration analysis
The control of speed fluctuations
Balancing of forces and couples
Kinematic analysis

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In gears, interference takes place when

Gear teeth are undercut
The tip of a tooth of a mating gear digs into the portion between base and root circles
Gears do not move smoothly in the absence of lubrication
Pitch of the gears is not same

ANSWER DOWNLOAD EXAMIANS APP