Q.49. A block-brake shown below has a face width of 300 mm and a mean co-efficient of friction of 0.25. For an activating force of 400 N, the braking torque in Nm is
(A) 30
(B) 40
(C) 45
(D) 60
Answer: (C)
Explanation:
Q.49. A block-brake shown below has a face width of 300 mm and a mean co-efficient of friction of 0.25. For an activating force of 400 N, the braking torque in Nm is
(A) 30
(B) 40
(C) 45
(D) 60
Answer: (C)
Explanation: