The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel, but intersect is______________________?

A. double helical gears having opposite teeth
B. double helical gears having identical teeth
C. single helical gear in which one of the teeth of helix angle a is more
D. mutter gears
E. none of the above

A. ball and socket i
B. piston and cylinder
C. cam and follower
D. A. and B. above
E. belt drive

A. velocity
B. displacement
C. rate of change of velocity
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. eight links
B. six links
C. four links
D. twelve links
E. five links

A. along PO
B. perpendicular to PO
C. at 45° to PO
D. along OP
E. none of the above