# Hose Lays Flashcards Preview

## Hose Lays > Hose Lays > Flashcards

Flashcards in Hose Lays Deck (17)
1
Q

What is max practical lift in a draft

A

22’

2
Q

If supplying to trucks pump, how will final pressure be determined?

A

Hose on the ground + 20psi

3
Q

Per SBC drafting manual, how deep should our strainer be at least

A

18”

4
Q

What is max theoretical lift (in a perfect vacuum)

A

33’

5
Q

What’s the FL for the truck fog nozzle

A

80psi

6
Q

What should be done in a relay if water demands are less than 250 GPM

A

If duals are laid, only pump 1 line

7
Q

At 15’ draft, what percent capacity are we pumping?

A

70%

8
Q

What is the FL for the aerial from the turntable to the tip

A

.5psi per foot (it’s a max of 50psi)

Don’t forget the nozzle and trimese FL

9
Q

At 20’ draft, what percent capacity are we pumping?

A

60%

10
Q

Disadvantage of using pump of the truck

A

It takes 2 engineers to perform the task (engineer isn’t at turntable)

11
Q

The first relay engine supplies water to the attack pumper at what pressure?

A

Idle

(Supply engines still setting up)

IOP not used yet

12
Q

If using trucks pump, how is water supplied to the aerial?

A

4” hose has to be connected to off-side panel discharge

13
Q

What is the max distance an engine can go when attempting to pump from a hydrant to the truck

A

500’ because three lines are needed

14
Q

What is the IOP when relay pumping

A

130psi

15
Q

What’s the advantage of pumping to the trucks pump when supporting the aerial?

A

Supply pressure from the hydrant will be much less since the trucks pump will reduce psi demand

16
Q

What is FL of truck trimese

A

25psi

17
Q

What is IOP for supplying the truck

A

130psi