11. Static water supply sources Flashcards Preview

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Flashcards in 11. Static water supply sources Deck (10)
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1

__ Is the difference in elevation between the surface of the static water supply and the center of the pump intake.

Lift

2

$$$

For every 1000 feet of altitude, the atmospheric pressure decreases by approximately __ psi.

0.5 psi

3

In the fire service, ___ ___ is defined as the greatest height to which any amount of water may be raised through an intake hose to the pump.

Maximum lift

4

$$$

In most circumstances, maximum lift is approximately __ feet.

25 ft

5

Maximum lift formula

L=

L= 1.13Hg

6

Every fire pump that is operating properly should have a dependable lift of at least __ ft

14.7 ft

7

Minimal water all around a barrel type strainer is generally __ ft

2 ft or 24 in

8

Floating strainers may be used for water as shallow as _ ft

1 ft

9

$$$

If an adequate draft cannot be established due to clogging at the strainer, ___ with tank water may help dislodge the debris’s.

Back flushing

10

$$$

Pool formulas

Square

Round

Square

C=7.5 x L x W x D

Round

C=7.5 x pie x r^2 x D