A roller chain that continually binds or runs roughly over its ...

[robinn137]

A roller chain that continually binds or runs roughly over its sprocket.
 
  A. Is probably the wrong pitch for the sprocket.
  B. Is probably worn from sideplate fatigue.
  C. Is probably running on a worn sprocket.
  D. Probably has worn rollers of bushings.

Question 2

Idler sprockets should be placed:
 
  A. on the slack side of the drive. B. on the tension side of the drive. C. either side of the drive. D. on all drives.

[rleezy04]

Answer to Question 1

C

Answer to Question 2

A

[robinn137]

Excellent

[bulacsom]

Thanks for the timely response, appreciate it