| Q.70 | A clutch is operating under uniform wear, axial load of 500 N, friction coefficient of 0.3 and the mean radius of the contact surfaces 0.1 m. If the torque transmitted is 60 Nm, then the number of pairs of contact surfaces is: | |
| Ans | 1. 4 | |
| 2. 6 | ||
| 3. 8 | ||
| 4. 2 |
Correct Ans Provided: 1