Basic Process Knowledge (Multiple Choice) 20180203
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When disassembling and assembling gear pumps, special attention should be paid to checking the clearances. A. Tooth tip and pump casing B. Gear end face C. Tooth meshing area D. Area where the pump shaft extends outside the pump casing. Hint: The leakage at the gear end face has the greatest impact on volumetric efficiency; it is proportional to the cube of the end-face clearance, and this clearance should be corrected if it exceeds the specified value.
When disassembling and assembling gear pumps, special attention should be paid to checking gap B. B. Gear end face