Crowning on pulleys helps__________________?

A. theory of machines
B. applied mechanics
C. mechanisms
D. kinetics
E. kinematics

A. circular
B. tangent
C. reciprocating
D. all of the above
E. none of the above

A. offset between centre lines of cam and follower
B. lift of follower
C. angle of ascent
D. sum of radii of base circle and roller follower
E. all of the above

A. parallel to OA
B. perpendicular to OA
C. at 45° to OA
D. along AO
E. along OA

A. crank has a uniform angular velocity
B. crank has non-uniform velocity
C. crank has uniform angular acceleration
D. crank has uniform angular velocity and angular acceleration
E. there is no such criterion

A. during which the follower returns to its initial position
B. of rotation of the cam for a definite displacement of the follower
C. through which the cam rotates during the period in which the follower remains in highest position
D. moved by the cam from the instant the follower begins to rise, till it reaches its highest position
E. moved by the cam from beginning oi ascent to the termination of descent