A. compound gears
B. worm and wheel method
C. Hooke’s joint
D. crown gear
E. bevel gears
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
A. quick return mechanism of shaper
B. four bar chain mechanism
C. slider crank mechanism
D. A. and C. above
E. all of the above.
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. not exist
B. exist
C. depend on position of crank
D. unpredictable
E. none of the above
A. point or line contact between the two elements when in motion
B. surface contact between the two elements when in motion
C. elements of pairs not -held together mechanically
D. two elements that permit relative motion
E. none of the above
A. lower pair
B. higher pair
C. open pair
D. close pair
E. cam pair