 
			 
			MCQOPTIONS
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				| 1. | A vapour while condensing at 420°C transfers heat to water evaporating at 250°C. If ambient is at 35°C, what fraction of available energy is lost in the process? | 
| A. | 0.18 | 
| B. | 0.22 | 
| C. | 0.26 | 
| D. | 0.3 | 
| Answer» D. 0.3 | |