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| 1. |
A refrigerator based on carnots cycle receives heat from 227^° c and rejects heat at 727^° c . let work required per unit heat received be x . if the same machine is used as carnots engine then its efficiency is y . then ratio of x and y is |
| Answer» A refrigerator based on carnots cycle receives heat from 227^° c and rejects heat at 727^° c . let work required per unit heat received be x . if the same machine is used as carnots engine then its efficiency is y . then ratio of x and y is | |