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Engineers Test > Hydraulics > Flashcards

Hydraulics Flashcards

0
Q

1 3/4 HL @ 150 gpm

A

15per 100 ft 7.5 per 50

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1
Q

Maximum gpm aloud for unmanned ground monitor

A

Under 600gpm

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2
Q

1 3/4 @ 200 gpm FL

A

30 per 100 ft.

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3
Q

1 3/4 @ 250gpm

A

37.5psi per 100 ft.

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4
Q

1 3/4 @ 300 gpm

A

45psi per 100 ft.

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6
Q

2 1/2 HL @ 150Gpm

A

4.5psi per 100 ft.

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7
Q

2 1/2 HL @ 200 gpm

A

8psi per 100ft.

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8
Q

2 1/2 HL @ 250 gpm

A

12.5psi per 100ft.

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8
Q

Masterstream

1 3/8 gpm?

A

500 gpm

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9
Q

2 1/2 HL @ 300 gpm

A

18psi per 100 ft.

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10
Q

Master stream

1 1/2 or 4/8 gpm?

A

600 gpm

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11
Q

Master stream

1 3/4 or 6/8 gpm?

A

800 gpm

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12
Q

Master stream

2 in. Gpm?

A

1000 gpm

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13
Q

500 gpm FL?

A

5 psi per 100 ft.

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14
Q

600 gpm FL?

A

7 psi per 100 ft.

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15
Q

800 gpm FL?

A

13psi per 100ft.

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16
Q

1000 gpm FL?

A

20 psi per 100 ft.

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17
Q

SS HANDLINE

1”

A

50 psi. @ 200gpm

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18
Q

SS HANDLINE

1 1/8” gpm?

A

250 gpm @ 50 psi.

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19
Q

SS HANDLINE

1 1/4

A

300 gpm @ 50psi

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21
Q

HR Fog NP, GPM, FL

A

NP 75

Gpm 125

3 PSI PER 100FT

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22
Q

HR 50psi GPM, FL?

A

185 gpm

7PSI PER 100FT

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23
Q

60 psi HR GPM, FL?

A

200 gpm

8PSI PER 100FT

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23
Q

Psi for engine as appliance

A

20

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24
Q

65 psi HR nozzle GPM

A

210 gpm

8.5PSI PER 100FT

25
Q

Psi for ladder as appliance

A

40psi

26
Q

Psi for stang gun as appliance

A

25

27
Q

What is appliance factor for HR fog
NP?
GPM?

A

100 psi per 100ft., + 12 psi per 50 ft.

125 gpm

28
Q

Appliance for 50 psi HR nozzle?

A

100 psi per 100ft.

+ 25psi per add. 50 ft

30
Q

Appliance for 60 psi Hr nozzle?

A

120 psi per 100ft.

+30 psi per add. 50 ft.

30
Q

Operating pressure for foam educator?

A

200 psi. @ 95 GPM.

31
Q

Appliance for 65 psi Hr nozzle?

A

130psi per 100 ft.

+ 32.5 psi per add. 50ft.

32
Q

Fire flow formula

A

Length x width / 3 = GPM

33
Q

Determine sprinkler flow?

A

GPM = (1/2 the pump pressure +15) x 80%

34
Q

1 3/4 Max working pressure

A

250psi

35
Q

2 1/2 max working pressure

A

250psi

36
Q

4” rubber max working pressure

A

185 psi

37
Q

4” jacketed max working pressure

A

225psi.

38
Q

CIRCLE​ Surface area?

A

.7854 x Diameter²

39
Q

TRIANGLE ​Surface area

A

​=Base x Height / 2

40
Q

One gallon of water weight

A

8.3 lbs

41
Q

One square foot

A

144 sq in.

42
Q

Weight of One cubic foot of water

A

62.5 lbs

43
Q

Gal. In 1 cubic ft. Of water

A

7.5 gallons

45
Q

2 1/2 FL @ 125 gpm

A

3psi per 100ft

46
Q

2 1/2 FL @ 350 gpm

A

24.5psi per 100ft

47
Q

2 1/2 FL @ 400gpm

A

32psi per 100 ft

48
Q

area of circle

A

.7854 x diameter

49
Q

cubic square

A

side x side x side

50
Q

cubic rectangle

A

length x width x height

51
Q

cubic tri

A

base x height x depth / 2

52
Q

@ 3% foam concentration how many gallons per sqft of finished foam will you get?

A

.1 gallon per sqft

.25 gallons @ 6%

53
Q

fire flow formula

A

length x width / 3

54
Q

One gallon of water

A

231 cubic inches

55
Q

One square foot

A

144 square inches

56
Q

One cubic foot of water

A
  1. 5 pounds

7. 5 gallons

57
Q

calc. for determine elevation pressure

A

.434 x height
(1/2 pound per ft)

2.3 x pressure

58
Q

static pressure

A

Intake pressure of water when no water is flowing (stored hydrant pressure)

59
Q

residual pressure

A

Intake pressure of water after flowing water out of pump.

60
Q

100 feet

150 feet
GPM x 80 %
200 feet
GPM x 90 %
250 feet
GPM x 100 %
300 feet
GPM x 110 %
350 GPM x 120 %
A

GPM x 70 %

Engineers Test (9 decks)

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