Chapter 9 Pumping Apparatus
Driver Operator Handbook 2023
/36 Questions And Answers (A+)
Quiz :NFPA 1901 allows flowmeters to be used instead of
pressure gauges on all discharges ___ and ___ inches in
diameter. - √Answer :1 ½-inches to 3-inches in diameter
Quiz :Discharges 3 ½ inches and greater may be equipped
with flowmeters, but they must also have an accompanying
_____. - √Answer :Pressure gauge
Quiz :The flowmeter must provide a readout in increments no
larger than ___ gpm. - √Answer :10 gpm
Quiz :The two basic types of flowmeter sensors that are used
in the fire service are: - √Answer :paddlewheel and spring
probe
Quiz :Because the _____ is the only moving part of the
(flowmeter) system, these devices are relatively maintenance
free. - √Answer :Spring probe
Quiz :When properly calibrated and in good working condition,
flowmeters should be accurate to a tolerance of +/- ___%. -
√Answer :+/- 3%
Quiz :Each discharge equipped with a flowmeter has a digital
readout display mounted within ___ inches of the valve control
for that discharge. - √Answer :Within 6 inches
Quiz :If flow does not increase when the D/O increases
pressure a common problem might be that the ______ or
______. - √Answer :Hose is kinked or a midline valve (gated
wye) is partially closed
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