Which device changes the pump from series to parallel or from pressure to volume?

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Prepare for the City of Miami Fire Department Driver-Engineer Exam. Review multiple choice questions with hints and explanations. Succeed on your test!

Multiple Choice

Which device changes the pump from series to parallel or from pressure to volume?

Explanation:
Switching between series and parallel configurations determines whether the pump delivers higher pressure or higher flow. The transfer valve is the device that reconfigures the pump’s plumbing so the two stages can work in series (increasing pressure) or in parallel (increasing volume/flow). When set for series, the output of one stage feeds into the next, boosting pressure; when set for parallel, both stages draw from the same inlet and combine their outputs to increase flow. The other valves control specific paths or throttling but do not change the basic connection of the stages.

Switching between series and parallel configurations determines whether the pump delivers higher pressure or higher flow. The transfer valve is the device that reconfigures the pump’s plumbing so the two stages can work in series (increasing pressure) or in parallel (increasing volume/flow). When set for series, the output of one stage feeds into the next, boosting pressure; when set for parallel, both stages draw from the same inlet and combine their outputs to increase flow. The other valves control specific paths or throttling but do not change the basic connection of the stages.

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