A single-stage oil pump cannot operate in a two-pipe system if the vacuum necessary to operate exceeds __________ inches of mercury.

Name: A single-stage oil pump cannot operate in a two-pipe system if the vacuum necessary to operate exceeds __________ inches of mercury.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

A single-stage oil pump typically cannot operate effectively in a two-pipe system if the vacuum necessary to operate exceeds 12 inches of mercury, as it may not be able to generate sufficient suction to overcome higher vacuum levels.

A Single-Stage Oil Pump Cannot Operate in a Two-Pipe System