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				| 1. | Air compressed is isentropically in a compressor from 1 bar to 5 bar. Assuming γ = 1.4 for air and clearance volume is 5% of swept volume, the volumetric efficiency of the compressor is (Take (5)0.714 = 3.157): | 
| A. | 89.21 % | 
| B. | 99.21 % | 
| C. | 92.67 % | 
| D. | 93.01 % | 
| Answer» B. 99.21 % | |