A. sliding pairs
B. turning pairs
C. rolling pairs
D. higher pairs
E. lower pairs
A. linear displacement
B. rotational motion
C. tangential acceleration
D. centripetal acceleration
E. none of the above
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 the 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 can from beginning of i ascent to the termination of descent
A. leads the sliding velocity vector by 90°
B. lags the sliding velocity vector by 90°
C. is along the sliding velocity vector
D. leads the sliding velocity vector by 180°
E. none of the above
A. bolt and nut
B. lead screw of a lathe
C. ball and socket joint
D. ball bearing and roller bearing
E. none of the above
A. material of the pulley
B. material of the belt
C. larger size of the driver pulley
D. uneven extensions and contractions due to varying tension
E. expansion of belt
A. L.H.S. = R.H.S
B. L.H.S. > R.H.S
C. L.H.S. < R.H.S
D. there is no such criterion for checking above requirement
E. none of the above