Tangential acceleration direction is_________________?
A. along the angular velocity
B. opposite to angular velocity
C. may be any one of these
D. perpendicular to angular velocity
E. none of the above
A. along the angular velocity
B. opposite to angular velocity
C. may be any one of these
D. perpendicular to angular velocity
E. none of the above
A. sliding pairs
B. turning pairs
C. rolling pairs
D. higher pairs
E. lower pairs
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 cam from beginning of ascent to the termination of descent
A. cylindrical pair
B. turning pair
C. rolling pair
D. sliding pair
E. surface pair
A. two forks
B. one fork
C. three forks
D. four forks
E. five forks
A. any point on pitch curve
B. the point on cam pitch curve having the maximum pressure angle
C. any point on pitch circle
D. the point on cam pitch curve having the minimum pressure angle
E. none of the above
A. 10°
B. 14°
C. 20°
D. 30°
E. 25°.