 
			 
			MCQOPTIONS
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				| 1. | 1000 kW of power is supplied to a motor. 90% of this is transmitted to a machine operating at 80% efficiency. The machine lifts an object of 10-tons with a velocity _____ m/s. (Assume g = 10m/s2) | 
| A. | 2 | 
| B. | 4 | 
| C. | 6 | 
| D. | 8 | 
| Answer» D. 8 | |