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Flashcards in 8. Fire ground hydraulic calculations Deck (6)
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1

Flow meters must display flow in increments of __ GPM or less

10 gpm

2

$$$

With proper calibration, a flowmeter in good working order should be accurate to a tolerance of plus or minus __%

3%

3

$$$

Each discharge equipped with a flowmeter must have a digital readout display mounted within __ inches of the control valve for that discharge.

6 inches

4

The intake pressure reading cannot be allowed to drop below __ psi.

20 psi

5

Condensed Q formula

FL=

FL=Q^2

6

$$$

All though sufficient for many fire ground calculations, the friction loss results will be __% greater than when using the FL=CQ^2L formula.

20%

However, in a hose lay of 1000 feet of 3 inch hose, the difference may be as great as 50 psi