The contact ratio is the ratio of
A. Length of arc of recess to the circular pitch
B. Length of path of contact to the circular pitch
C. Length of arc of contact to the circular pitch
D. Length of arc of approach to the circular pitch
Answer:A
The contact ratio is the ratio of
A. Length of arc of recess to the circular pitch B. Length of path of contact to the circular pitch C. Length of arc of contact to the circular pitch D. Length of arc of approach to the circular pitch