 
			 
			MCQOPTIONS
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				| 1. | If_n_heaters_are_used,_the_greatest_gain_in_efficiency_occurs_when_overall_temperature_rise_is______times_the_difference_between_condenser_and_boiler_saturation_temperatures.$ | 
| A. | (n-1) / n | 
| B. | (n+1) / n | 
| C. | n / (n-1) | 
| D. | n / (n+1) | 
| Answer» E. | |