Q. 35 In a rolling process, the maximum possible draft, defined as the difference between
the initial and the final thickness of the metal sheet, mainly depends on which
pair of the following parameters ?
P: Strain
Q: Strength of the work material
R: Roll diameter
S: Roll velocity
T: Coefficient of friction between roll and work
(A) Q, S
(B) R, T
(C) S,T
(D) P, R
Answer: (B)
Explanation: