MCQOPTIONS
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| 1. |
The optimum intermediate pressure P2 in a two-stage air compressor having P1 = 4 bar and P3 = 9 bar, as suction and delivery pressures respectively, is equal to: |
| A. | 13 bar |
| B. | 9 bar |
| C. | 4 bar |
| D. | 6 bar |
| Answer» E. | |