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28.The grinding stone of a flour mill is rotating at 60 rad/sec. for this power of 1.2 kwatt is used. The effective torque on stone in N-m (a) 1 (b) 2 (c) 3 (d) 4 |
| Answer» 28.The grinding stone of a flour mill is rotating at 60 rad/sec. for this power of 1.2 kwatt is used. The effective torque on stone in N-m (a) 1 (b) 2 (c) 3 (d) 4 | |