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Relief Driver > By the Numbers > Flashcards

By the Numbers Flashcards

1
Q

Max Density of Water

A

39.2°F

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2
Q

Boiling Point of Water

A

212°F

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3
Q

Weight of 1 Gallon of Water

A

8.33 Pounds

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4
Q

Cubic Inches in 1 Gallon of Water

A

231

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5
Q

Cubic Inches in 1 Cubic Foot of Water

A

1728

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6
Q

Gallons in 1 Cubic Foot of Water

A

7.48

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7
Q

Weight of a 1 Square Inch Column of Water 1 Foot High

A

.434 PSIG

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8
Q

How High 1 PSIG will Lift Water

A

2.31 Feet

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9
Q

____ PSIG = 1 Inch of Mercury

A

0.49 PSIG

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10
Q

Height a Fire Pump in Good Condition can Lift Water

A

25 Feet

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11
Q

Nozzle Pressure for Smooth Bore Master Stream

A

80 PSI

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12
Q

Nozzle Pressure for Smooth Bore Hand Line

A

50 PSI

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13
Q

Nozzle Pressure for Master Stream Fog Nozzle at 500 GPM

A

100 PSI

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14
Q

Nozzle Pressure for Master Stream Fog Nozzle at 750 GPM

A

110 PSI

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15
Q

Nozzle Pressure for Master Stream Fog Nozzle at 1000 GPM

A

120 PSI

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16
Q

Coefficient in GPM Formula for Smooth Bore Nozzles

A

29.7

17
Q

Pressure Pumped to Foam Eductor / Max PSI for 3 Inch Hose

A

200 PSI

18
Q

Max PSI for 5 Inch Hose

A

185 PSI

19
Q

Weight of a Full 100 Foot Section of LDH

A

943 Pounds

20
Q

Weight of a Dry 100 Foot Section of LDH

A

110 Pounds

21
Q

Coefficient Used in Fog Stream Nozzle Reaction Equation

A

0.0505

22
Q

Pressure Pumped to Commercial Sprinkler Systems

A

150 PSI

23
Q

Pressure Pumped to Residential Sprinkler Systems

A

100 PSI

24
Q

Standard Sprinkler Head Orifice Size

A

1/2 Inch

25
Q

Number of Active Sprinkler Heads a 1250 GPM Pumper can Supply

A

60

26
Q

Amount of Area Covered by 1 Sprinkler Head

A

100 Square Feet

27
Q

Max Water a Standard Sprinkler Head can Deliver at 15 PSI

A

22 GPM

28
Q

Minimum Water Needed to Supply Standard Sprinkler Head

A

15 GPM

29
Q

Nozzle Pressure of the 125 GPM Mystery Fog Nozzle

A

75 PSI

30
Q

Pi

A

3.1416

Relief Driver (4 decks)

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