Theory of Machine
In a Hartnell governor, if a spring of greater stiffness is used, then the governor will be

Less sensitive
Unaffected of sensitivity
Isochronous
More sensitive

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In gears, interference takes place when

Pitch of the gears is not same
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

ANSWER DOWNLOAD EXAMIANS APP