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FCFRD Hydraulics > Hydraulics 2014 > Flashcards

Hydraulics 2014 Flashcards

1
Q

1 cubic foot contains how many gallons of water?

A

7.5

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2
Q

1 cubic foot of fresh water weighs how many pounds?

A

62.5

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3
Q

1 gallon of fresh water weighs how many pounds?

A

8.33

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4
Q

One 50’ section of 1.75” hose contains how many gallons?

A

6.24

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5
Q

One 50’ section of 1.88” hose contains how many gallons?

A

7.2

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6
Q

One 50’ section of 2.5” hose contains how many gallons?

A

12.74

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7
Q

One 50’ section of 3” hose contains how many gallons?

A

18.35

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8
Q

A 100’ section of 4” contains how many gallons?

A

65.25

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9
Q

A 100’ section of 5” hose contains how many gallons?

A

101.94

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10
Q

What is the formula for calculating volume in a rectangular or square container?

A

Length * Width * Depth * 7.5

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11
Q

What is the formula for calculating the volume of a cylindrical shaped container?

A

Pi * radius squared * height or length * 7.5

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12
Q

What is the gallonage of a 1/2” smooth bore nozzle at 50psi?

A

Theoretical is 53. Fire ground is 50.

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13
Q

What is the gallonage of a 7/8” smooth bore nozzle at 50psi?

A

Theoretical is 161. Fire ground is 150.

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14
Q

What is the gallonage of a 15/16” smooth bore nozzle at 50psi?

A

Theoretical is 185. Fire ground is 185.

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15
Q

What is the gallonage of a 1” smooth bore nozzle at 50psi?

A

Theoretical is 210. Fire ground is 200.

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16
Q

What is the gallonage of a 1.125” smooth bore nozzle at 50psi?

A

Theoretical is 266. Fire ground is 250.

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17
Q

What is the gallonage of a 1.1875” smooth bore nozzle at 50psi?

A

Theoretical is 296. Fire ground is 300.

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18
Q

What is the gallonage of a 1.25” smooth bore nozzle at 50psi?

A

Theoretical is 328. Fire ground is 325.

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19
Q

What is the gallonage for a 1.25” smooth bore nozzle at 80psi?

A

Theoretical is 415. Fire ground is 400.

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20
Q

What is the gallonage of a 1.375” smooth bore nozzle at 80psi?

A

Theoretical is 502. Fire ground is 500.

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21
Q

What is the gallonage for a 1.5” smooth bore nozzle at 80psi?

A

Theoretical is 598. Fire ground is 600.

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22
Q

What is the gallonage of a 1.75” smooth bore nozzle at 80psi?

A

Theoretical is 814. Fire ground is 800.

23
Q

What is the gallonage of a 2” smooth bore nozzle at 80psi?

A

Theoretical is 1062. Fire ground is 1000.

24
Q

What is the booster reel gallonage and nozzle pressure?

A

12-60 gpm and 100psi.

25
Q

What is the forestry hose gallonage and nozzle pressure?

A

12-60 gpm or 22 gpm and 100psi.

26
Q

What is the decon shower gallonage and nozzle pressure?

A

270gpm and 75psi.

27
Q

What is the piercing nozzle gallonage and nozzle pressure?

A

125 gpm and 100psi.

28
Q

What is the gallonage and nozzle pressure of the 2.5” cellar nozzle?

A

350gpm and 100psi.

29
Q

What is the gallonage and nozzle pressure of a 2.5” distributor nozzle?

A

250gpm and 100psi.

30
Q

What is the gallonage and nozzle pressure of 1.5” cellar nozzle?

A

160gpm and 100psi.

31
Q

What is the gallonage and nozzle pressure of a 1.5” distributor nozzle?

A

95gpm and 50psi.

32
Q

Double the length of hose _______ the FL?

A

Doubles

33
Q

If quantity is doubled, FL will be _______?

A

Quadrupled

34
Q

FL varies inversely to the _____ power as the diameter of hose?

A

5th

35
Q

The greater the velocity of water, the ______ the FL?

A

Greater

36
Q

What is the FL Coefficient of 1”?

A

150

37
Q

What is the FL Coefficient of 1.75”?

A

15

38
Q

What is the FL Coefficient of 1.88”?

A

10

39
Q

What is the FL Coefficient of 2”?

A

8

40
Q

What is the FL Coefficient of 2.5”?

A

2

41
Q

What is the FL Coefficient of 3”?

A

.8

42
Q

What is the FL Coefficient of dual 3”?

A

.2

43
Q

What is the FL Coefficient of 3.5”?

A

.34

44
Q

What is the FL Coefficient of 4”?

A

.2

45
Q

What is the FL Coefficient of dual 4”?

A

.05

46
Q

What is the FL Coefficient of 3” and 4” combined?

A

.09

47
Q

What is the FL Coefficient of 5”?

A

.08

48
Q

What is the theoretical method to calculate elevation?

A

4.34psi per 10’

49
Q

What is the JS-10 Air aspirating nozzle gallonage and nozzle pressure?

A

100gpm and 100psi

50
Q

The portable foam eductor flows _____ gpm at ______ psi?

A

95-125 and 200

51
Q

The Pierce/Husky Foam system is capable of injecting foam from ____ with a rated capacity of _____ gpm foam concentrate at _____ psi?

A

.01-3%, 3, and 150

52
Q

CAFS for fire attack consists of _____ water and _____ air with a foam application rate of ____?

A

2/3, 1/3, and .3%

53
Q

CAFS for overhaul and exposure protection consists of ____ air and _____ water with an application rate of _____?

A

2/3, 1/3, and .5%

FCFRD Hydraulics (1 decks)

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