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Recruit Training > Pump Ops > Flashcards

Pump Ops Flashcards

1
Q

What are the most basic functions of the fire service?

A

The ability to carry water and provide fire streams

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2
Q

Minimum tread depth

A

4/32”

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3
Q

What is the primary consideration for engine placement?

A

Safety of the patient and responder

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4
Q

Where do engines primary water come from

A

Hydrants

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5
Q

What provides hydrant pressure?

A

pressure from water towers

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6
Q

City hydrant static pressure
And color

A

Approximately 70psi
Yellow

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7
Q

Private fire hydrants psi in industrial areas

A

Red
Static pressure excess of 175

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8
Q

Private (apartment) static pressure fir hydrants

A

approximately 70psi

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9
Q

How many tank pump valves do JFRD engines has?

A

3-4

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10
Q

Flow from the booster tank is limited to how many GPM’s

A

700-800gpm

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11
Q

What type of water pumps do JfrD have?

A

Centrifugal pumps

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12
Q

What are centrifugal pumps rated at?

A

1500,1750,2000

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13
Q

What is the volute?

A

Direct pressurize water into the discharge manifold

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14
Q

What are the three positions of the pump shift?

A

Road
neutral and pump

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15
Q

What is the internal pressure relief valve in PIV/BIV are preset to

A

150psi

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16
Q

The electric front and rear intake valve take how many seconds to fully open or close

A

15-20

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17
Q

What are the most commonly used valves

A

Tank to pump
Tank to fill

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18
Q

What does The master discharge gauge reads?

A

The discharge manifold pressure

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19
Q

Compound gauge measure in

A

(Inhg or inches and mercury)

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20
Q

What do the vacuum scale reads

A

0to -30inhg

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21
Q

What is another name for the electric primer?

A

Rotary vane
Positive displacement pump

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22
Q

What are the two alternative methods for bleeding air from the pump?

A

deck gun
An opening a valve tank to fill

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23
Q

What does the recirculator do?

A

Pump water to the booster tank will flow less than 25 GPM and remove hot pump water to be replaced with cool water from the supply
Use when hose lines are charged but not flowing

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24
Q

Engine cooler or auxiliary cooler does what

A

Prevent overheating while the pump is operating open is valve to discharge cool pump water through the radiator

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25
Q

PSi mode is considered to be what for another name

A

Cruise control

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26
Q

What will the discharge pressure be at idle?

A

30-40psi

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27
Q

What is class A foam

A

It is educated at 1/4% 1/2% and 1%

It’s a wetting agent that the surface tension of water
Not compatible with class B foam

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28
Q

What’s class B foam

A

Educated at 3%

Used on flammable liquid fires and spill

Effective on hydrocarbon

29
Q

How many tankers are dispatched to all structure fires

30
Q

How much gallons of water are in tankers

A

2500gallons

31
Q

How long does it take to dump 2500 gallons of water from quick dump valve

A

2-3 minutes

32
Q

What is the recommended PDP for tanker filling?

33
Q

What’s another name for volume mode

A

Parallel or capacity

34
Q

What are purple hydrants for ?

A

Irrigation not for fire fighting
Also for maintenance flushing

35
Q

How much do 1 gallon of water weigh

36
Q

What is volute

A

The chamber around a pump impeller converts water velocity to pressure

37
Q

What is the 3 primary sections of the fire pump

A

Intake manifold
Discharge
Centrifugal pump assembly

38
Q

What prevents a continuous rise and discharge pressure

39
Q

What are the 3 positions of the pump shift

A

Road
Neutral
Pump

40
Q

What does the pump test measure in

41
Q

In pressure mode Each impeller provides pressure in

42
Q

What is the volume position called

A

Parallel or capacity

43
Q

What effects discharge Pressure once the PDP set?

A

The opening and closing of nozzles

44
Q

What will require the engineer to change to RPM mode?

A

Pump operations that exceeds 300 psi

45
Q

While in relay pumping what apparatus needs to only operate in PSi mode

A

The attack engine

46
Q

How should all valves be operated

47
Q

What is the practical limit of a 5” hose

48
Q

What is the bread and butter attack line of Jfrd?

A

1 3/4 spec 1.88 loaded In the preconnect

49
Q

What is the maximum height for drafting?

50
Q

When does residual pressure display on the intake gauge

A

When the pump is under pressure
From a hydrant,
relay engine or tanker

51
Q

What is the preferred intake when laying out to another engine?)

A

Steamer(through the piv or biv

52
Q

Jfrd tankers are specified to flow

53
Q

Engine and tanker rpm preset

54
Q

What are the RPM for a booster line

A

13,25,40,60

55
Q

What are 2 1/2 used for

A

Standpipe
Ground monitoring
Connection to hydrant

56
Q

Practical volume of 5”

57
Q

What is the psi preset for engine

58
Q

What is the preset for tankers

59
Q

What is the preset for both engines and tankers while in rpm

60
Q

What is the discharge pressure at idle

61
Q

What are booster line gpm settings

A

13,25,40,60

62
Q

What is a soft intake hose

A

Red in color and 25ft in length
Will flow in excess of 2000 gpm

63
Q

Ground ladders

A

24ft extension ladder

14ft roof ladder
10ft attic ladder

64
Q

Extrication equipment chain length

A

6ft
12ft
15ft

65
Q

How long do you press the prima button on a 1750 to 2000gpm pump

66
Q

How much gallons of water do JFR tankers carry?

67
Q

How much gallons of water do basin carry

68
Q

What are the two modes of a governor?

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