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1. |
A simple band brake has the tight side of the band attached to a fixed pivot. The angle of wrap is 280 about a 450-mm diameter drum. A torque of 170 mm is sustained at 900 revs min-1. If the co-efficient of friction is 0.2 the required belt tension at tight side of the belt will be _____ |
A. | 453.04N |
B. | 549.12N |
C. | 605.35N |
D. | 1211.53N |
Answer» E. | |