

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 | |