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AFD Study guide > Hydrolics > Flashcards

Hydrolics Flashcards

1
Q

What are the Master stream tip sizes and flow rates

A

1 3/8” 500 gpm
1 1/2” 600 gpm
1 3/4” 800 gpm
2” 1000 gpm

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2
Q

What are the tip sizes and flow rates for an 1 3/4” handline

A

TFT 150 gpm (50 psi)
SM20 60-200 gpm
SM30 70-325 gpm

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3
Q

What are the tip sizes and flow rates for an 1 3/4” “Smoothbore” handline

A

7/8” 160 gpm

15/16 180 gpm

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4
Q

What are the tip sizes and flow rates for 2 1/2” “Smothbore” handline

A

1” 200 gpm
1 1/8” 250 gpm (high-rise)
1 1/4” 325 gpm

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5
Q

what is the tip size and rate of flow for the Akron Mercury ground monitor?

A

1 3/8” 500 gpm

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6
Q

At what psi do we flow fog nozzles?

A

100 psi

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7
Q

At what psi do we flow smoothbore nozzles?

A

50 psi

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8
Q

At what psi do we flow master streams?

A

80 psi

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9
Q

what is the minimum angle at which we flow ground monitors?

A

35 degrees

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10
Q

At what psi is the 1 3/4” hose tested at?

A

300 psi

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11
Q

At what psi is the 2 1/2” hose tested at?

A

300 psi

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12
Q

At what psi is the 5” hose tested at?

A

200 psi

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13
Q

What are the 8 components of a hydrant

A

1) Stem nut
2) Bonnet
3) Barrel
4) 2, 2 1/2” outlets
5) 4 1/2” steamer
6) operating stem
7) drain hole
8) main valve

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14
Q

At what psi do hydrants flow?

A

20-80 psi

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15
Q

how often does AFD inspect hydrants?

A

Annually

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16
Q

Class 2A hydrants is what color and flow rate?

A

Light Blue 1500+ gpm

17
Q

Class A hydrants is what color and flow rate?

A

Green 1000-1499 gpm

18
Q

Class B hydrants is what color and flow rate?

A

Orange 500-999 gpm

19
Q

Class C hydrants is what color and flow rate?

A

Red less than 500gpm

20
Q

At what distance interval will you find a hydrant in residential areas?

A

every 500ft

21
Q

At what distance interval will you find a hydrant in commercial areas?

A

every 300ft

AFD Study guide (15 decks)

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