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Q. |
A flat footstep bearing 10 cm radius supports a load of 3 kN. The shaft runs at 600/π r.p.m. and co-efficient of friction is 0.1. The friction torque and frictional power in watts with uniform wear are respectively. |
A. | 30 n-m and 600 watt |
B. | 15 n-m and 300 watts |
C. | 15 n-m and 600 watts |
D. | not possible to find for insufficient data |
Answer» B. 15 n-m and 300 watts |
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