engineering recuitment AAI JE Technical Mock Test 2020-21 Strength of Materials Torsion of Shaft Effect on Shaft
A shaft can safely transmit 90 kW while rotating at a given speed. If the diameter of the shaft is doubled and speed is halved the previous shaft, the power that can be transmitted by new shaft is
1
360 kW
2
90 kW
3
720 kW
4
180 kW