Chapter 6 Flashcards

1
Q

What is the formula for a smooth bore nozzle flow rate?

A

GPM=29.7x d^2 x square root NP

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2
Q

High pressure fog nozzles operate up to how high of psi?

A

Up to 800 psi

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3
Q

What are high pressure fog nozzles best suited for?

A

Wildland fires, since they only flow 8-15 gpm

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4
Q

Generally what is the max flow of a hand line?

A

350 gpm

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5
Q

What is the formula for a solid stream nozzle reaction?

A

NR=1.57x d^2 x NP

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6
Q

What is a simple guideline to find the nozzle reaction for a smooth bore nozzle?

A

NR=Q/3

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7
Q

What is the formula for nozzle reaction of fog stream nozzles?

A

NR=.0505x Q x square root NP

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