Engine_2014 : Motor Plants and Auxiliary Boilers - 2307/2614
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| The quantity of air delivered at any given speed by a Roots- type blower, as shown in the illustration, decreases as the pressure ratio increases. This is due to the __________ . |
| A) decrease in clearance between the mating lobes |
| B) increase in air leakage past the rotors |
| C) decrease in air leakage past the rotors |
| D) increase in clearance between the mating lobes |
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Illustration MO-0082
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