Chapter 11 Flashcards

1
Q

Lift is defined as the difference between elevation and the _________ of the pump

A

center

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2
Q

Static water sources include lakes, rivers, oceans, pools, cisterns and portable tanks

A

no answer

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3
Q

In order to create draft you must exhaust air from the _______ and the _______

A

intake hose and fire pump

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4
Q

When drafting, pressure in the intake hose and the _____ drops lower than __________.

A

pump
atmospheric pressure

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5
Q

drafting and priming are created by ______ vacuum. It is impossible to create ______ vacuum in a fire pump

A

partial vacuum
total vacuum

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6
Q

because pressure in the intake hose and pump lower than opuside it, water is forced in and continues to rise until the pump is full or the _____and _______ equals atmpospheric pressure.

A

intake hose and pump

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7
Q

For every 1,000 feet of altitude, the atmospheric pressure decreases by approximately _____psi

A

.5

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8
Q

Total vacuum or theoretic lift says that water can be lifted a total of _______ feet

A

33.9 feet

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9
Q

Maximum lift for fire pumpers is usually around ____feet

A

25

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10
Q

L= ___feet (Hg)
Hg = millimeters of mercury

A

L=1.13 feet

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11
Q

The 3 lifts are ______lift, ______lift and ____lift

A

Theoretic lift 33.9 feet
Maximum lift 25 feet on fire pumps
dependable lift: height a column of water can be lifted in suficient quantity to provide addiquate fire streams.

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12
Q

All pumper should have a dependable lift of _____feet

A

14.7 feet

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13
Q

A pumper should have 100% capability of the pump at ____feet of lift.
At ___feet of lift the pump has 70% of rated capacity
At ____feet of lift the pump is at 60%

A

10 feet
15 feet
20 feet

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14
Q

When at draft, net pump discharge pressure is the sum of the pump discharge pressure and intake pressure correction that takes into account the friction loss in the _____hose and the _____ of the lift

A

intake hose
height of lift

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15
Q

Floating pumps can maintain a flow of _____gpm

A

500

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16
Q

If an App sinks of frozen ground while supplying pumping operations. Stay and draft as you can always call a ______truck after

A

tow

17
Q

Floating strainers can be used on water as shallow as a _____

A

foot

18
Q

Low level strainers usually used on porta tanks and can draft water as low as an _____ or _____

A

inch or two

19
Q

__________ cleaning a fire pump or piping by flowing water through it in the opposite direction of normal flow.

A

Back flushing

20
Q

An Auger is a tool used for

A

boring or drilling holes in floors or ice.

21
Q

Regardless of depth, all FFs must wear PFD and use _____

A

safety lines

22
Q

An underground water storage area is a ____

A

Cistern

23
Q

Cisterns usually range from ____gallons to_____gallons

A

10,000 to 100,000 gallons

24
Q

to ensure use in freezing weather, a intake strainer on a dry hydrant must be below ______

A

frost line

25
Q

Private storage water tanks may be several 100 or tens of thousands of gallon of water

A
26
Q

Ground reservoirs are basically man made _____ or ______. The contain _________ of gallons of water.

A

ponds or lakes

millions of gallons

27
Q

Pools are hard to get to for drafting. If you can’t get the App close enough, use a ______pump to send water to app.

A

floating

28
Q

The number of gallons per cubic foot is _____

A

7.5 gallons

29
Q

When connecting to an FDC use at least _____ inch hose for a 1 1/2 inch FDC and at least _____3 inch or two ______inch hose lines

A

1 3/4
1
2 1/2 inch hose lines