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Hydraulic Equations & Constants > Lvl 1 > Flashcards

Lvl 1 Flashcards

1
Q

What does AL stand for?

A

Appliance Loss

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2
Q

What does DP stand for?

A

Discharge Pressure

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3
Q

What does EP stand for?

A

Elevation Pressure

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4
Q

What does FL stand for?

A

Friction Loss

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5
Q

What does gpm stand for?

A

Gallons per minute

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6
Q

What does NP stand for?

A

Nozzle Pressure

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7
Q

What does NR stand for?

A

Nozzle Reaction

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8
Q

What does PDP stand for?

A

Pump Discharge Pressure

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9
Q

What does “Q” equal?

A

Flow divided by 100

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10
Q

What does RP stand for?

A

Residual Pressure

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11
Q

What does SP stand for?

A

Static Pressure

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12
Q

What does TPL stand for?

A

Total Pressure Loss

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13
Q

One cubic foot contains how many gallons of water?

A

7.5

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14
Q

How many pounds does one cubic foot of freshwater weigh?

A

62.5

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15
Q

How many pounds does one gallon of freshwater weigh?

A

8.33

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16
Q

1 gallon of water contains how many cubic inches?

A

231

17
Q

A column of water 1 ft high exerts how much pressure at its base?

A

0.434psi

18
Q

A column of water 2.304 ft high these are how much pressure at its base?

A

1psi

19
Q

A 50-ft length of 1.75” hose contains how many gallons of water?

A

6.24

20
Q

A 50-ft length of 1.88” hose contains how many gallons of water?

A

7.2

21
Q

A 50-ft length of 2.5” hose contains how many gallons of water

A

12.74

22
Q

A 50-ft length of 3” hose contains how many gallons of water?

A

18.35

23
Q

A 100-ft length of 4” hose contains how many gallons of water?

A

65.25

24
Q

A 100-ft length of 5” hose contains how many gallons of water?

A

101.94

25
Q

What is the shortcut for square and half numbers? Example 4.5

A

4.5 is between 4 & 5, multiple those numbers and add 0.25. So 20.25

26
Q

What is the equation for determining the volume of water in a rectangular shape?

A

L x W x H x 7.5(gallons per cubic ft)

27
Q

What is the formula to determine the volume of water in a cylinder?

A

π x R2 x H x 7.5
π = 3.14
R = radius

28
Q

What is the equation to determine the flow from a smooth bore nozzle?

A

GPM = 29.7 x D2 x √NP

29.7 (is a mathematical constant) X Diameter squared X Square root of the Nozzle Pressure

Hydraulic Equations & Constants (1 decks)

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