Theory of Machine
In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is

There is no such relationship
Equal to sum of other two
Less than sum of other two
Greater than sum of other two

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
Angle of descent of cam is defined as the angle

Through which the cam rotates during the period in which the follower remains in the highest position
Moved by the cam from the instant the follower begins to rise, till it reaches its highest position
Of rotation of the cam for a definite displacement of the follower
During which the follower returns to its initial position

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In gears, interference takes place when

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

ANSWER DOWNLOAD EXAMIANS APP