when there is a fire the fire engine pulls up and hopefully connects a hose to a fire hydrant and that brings water into the engine. The fire engine then pumps the water from the hydrant to the...
It might be just one of semantics. Both a fire fighting pump and a fire water pump pump water to fight fires. But don't look for the term fire water pump. And for sure don't use it. It's an "awkward"...
Calculate or calibrate?
Calculate - apart from reference to tables for the pump, impossible. Calibrate - get a stop-watch and a very big bucket, switch on and stand back.
There should be a capacity...