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1. |
A band brake having band-width of 80 mm, drum diameter of 250 mm, coefficient of friction of 0.25 and angle of wrap of 270 degrees is required to exert a friction torque of 1000 N-m. The maximum tension (in kN) developed in the band is |
A. | 1.88 |
B. | 3.56 |
C. | 6.76 |
D. | 11.56 |
Answer» E. | |