MCQOPTIONS
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| 1. |
The efficiency of the vane blower is (where W‚ÇÅ = Workdone due to compression, and W‚ÇÇ = Workdone due to back flow)$ |
| A. | W‚ÇÅ/(W‚ÇÅ + W‚ÇÇ) |
| B. | W‚ÇÇ/(W‚ÇÅ + W‚ÇÇ) |
| C. | (W‚ÇÅ + W‚ÇÇ)/W‚ÇÅ |
| D. | (W‚ÇÅ + W‚ÇÇ)/W‚ÇÇ |
| Answer» C. (W‚Äö√á√Ö + W‚Äö√á√á)/W‚Äö√á√Ö | |