Length of arc of contact is given by
A. Arc of approach - Arc of recess
B. Arc of approach + Arc of recess
C. Arc of approach / Arc of recess
D. Arc of approach × Arc of recess
Answer:A
Length of arc of contact is given by
A. Arc of approach - Arc of recess B. Arc of approach + Arc of recess C. Arc of approach / Arc of recess D. Arc of approach × Arc of recess