Fire > Pump Engine 4 > Flashcards

Pump Engine 4 Flashcards

(40 cards)

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1
Q

What is the lowest pressure the engine can pump off of?

A

5 PSI

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2
Q

1 3/4” numbers

A

125 PSI
250 ft.
15 psi per 50ft. (75 psi total)
50 psi at the nozzle

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3
Q

2 1/2” numbers

A

90 psi
250 ft.
15 psi per. 100ft. (37.5 psi total, round to 40)
50 psi at the nozzle

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4
Q

High rise numbers

A

120 psi
150ft. 1 3/4” 45 psi
Stand pipe 25 psi
50 psi at the nozzle
10 psi for every 100’ 3” in the road
5 psi per floor

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5
Q

High rise (laying lines)

A
  • Stop at the stand pipe
  • Help pipe guy with high rise pack
  • Double males to the FDC
  • Hook up primary and secondary and pull extra
  • Pull off to the hydrant and nose in
  • Engage the pump
  • Wheel chock
  • Tank to pump
  • Break prim/sec and connect to discharges with double females
  • Hook up big to the hydrant
  • Open intake slowly
  • Charge standpipe system when ready and adjust pressure as needed
  • Crack tank to fill
  • Close tank to pump
  • Set pressure relief valve
  • Set up overlay
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6
Q

Pump engaged

A
  • 2 green lights
  • oil 40-60
  • speedometer 5-20
  • heat 180-200 pierce arrow
  • 200-210 new pieces
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7
Q

20,10,7 rule

A

After opening the first attack line of the pressure drops

20% you can pump 1 line of equal or less

10% 2 lines of equal or less

7% 3 lines of equal or less

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8
Q

Deck gun

A

80 psi nozzle
15 psi appliance
5 psi elevation

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9
Q

Air bound

A
  • shut down lines and prime
  • crack deck gun
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10
Q

If there is a issue with hydrant pressure

A
  • Radio in urgent message
  • shut down exterior lines
  • pull tank to pump as your safety net
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11
Q

Black widow tip (Truck 1)

A

2 1/2” | 100ft. | 60 psi
3” | 100 ft. | 30 psi
Nozzle 100 psi
GPM 700

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12
Q

Truck 1 How Ya Doin

A

150 psi don’t exceed 200 psi
1-2 lines for one stream
3-4 lines for 2 streams

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13
Q

Brensan Distributor

A

2 1/2” | 100 ft. | 15 psi
3” | 100 ft. | 6 psi
Nozzle 50 psi
GPM 250

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14
Q

Why and when do we close the tank to pump at engine 4?

A
  • Close it after getting a positive water supply
  • We close it as a safety net so we know if there is a issue with water coming into the pump
  • Open it back up to give 500 gallons for egress
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15
Q

Hose bed

A

Supply lines:
-28 3” lengths total (1400 ft.)
-50 ft. Per length
-14 lengths each primary and secondary (700 ft. each)

Attack lines:
-Primary attack line 1 3/4” 250 ft. 5 lengths (smooth bore)
-Secondary attack line 1 3/4” 250ft. 5 lengths (fog nozzle)
-2 1/2” 250 ft. 5 lengths (smooth bore)

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16
Q

Forward lay (Hydrant to fire or dragging back)

A
  • Pull just past the hydrant
  • Hydrant guy ropes it and waves off the engine
  • Pull a building and a half past the fire building and leave room for the truck
  • Put it in pump
  • Tank to pump
  • Chock the wheel
  • Help clear the bed
  • Charge lines and adjust pressure whenever water is called for
  • Break primary (go underneath) connect to inlet
  • Call for one and open the inlet slowly adjusting pressure as needed
  • Close drain valve
  • Close tank to pump
  • Crack tank to pump
  • Break secondary (go underneath) connect to inlet
  • Call for 2 and open inlet slowly
  • Close drain valve
  • OPTIONAL (call for both at the same time)
  • Set pressure relief valve
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17
Q

Reverse parallel lines (fire to hydrant or reversing out)

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A
  • Pull up with the tail board in the middle of the fire building
  • Let the everyone out and help clear the bed
  • Hydrant guy gets back in and officer kneels on the lines and waved us off
  • Stop past the hydrant and pull ebrake
  • Put it in pump
  • Tank to pump
  • Wheel chock
  • Break primary
  • Attach to discharge with double female
  • Charge lines and adjust pressure when the call for water
  • Break secondary and connect to discharge
  • Pull enough primary and attach it to inlet
  • Call for one and open inlet slowly keeping a eye on pressure
  • Throttle down if necessary
  • Close drain valve
  • Close tank to pump
  • Crack tank fill
  • Set pressure relief valve
  • Pull enough primary for overlay
  • Open the gate and then open the inlet slowly
  • Close discharge valve
18
Q

Reverse hook up big (reversing out or fire to hydrant)

Study These Flashcards
A
  • Pull up with the tail board in the middle of the fire building
  • Let the everyone out and help clear the bed
  • Hydrant guy gets back in and officer kneels on the lines and waved us off
  • Hydrant guy guides you into the hydrant
  • Ebrake
  • Put it in pump
  • Tank to pump
  • Chock the wheel
  • Break the primary and attach to discharge with a double female
  • Charge line and adjust pressure when called for
  • Break the secondary and attach to discharge with a double female
  • Open large suction slowly and watch pressure
  • Close drain valve
  • Crack tank fill
  • Close tank to pump
  • Set pressure relief valve
  • Break hose from primary and set up overlay
  • Slowly open intake
  • Shut drain valve
19
Q

2” Red

Study These Flashcards
A

2 1/2” @ 100 ft. 160 psi
3” @ 100 ft. 80
80 psi NP
1000 GPM

20
Q

1 3/4” yellow

Study These Flashcards
A

2 1/2” @ 100 ft. 100 psi
3” @ 100 ft. 50
80 psi NP
800 GPM

21
Q

1 1/2” green

Study These Flashcards
A

2 1/2” @ 100 ft. 60 psi
3” @ 100 ft. 30
80 psi NP
600 GPM

22
Q

1 3/8” white?

Study These Flashcards
A

2 1/2” @ 100 ft. 40 psi
3” @ 100 ft. 20
80 psi NP
500 GPM

23
Q

Akon smooth bore 7/8

Study These Flashcards
A

30 psi per 100 ft.
50 psi NP
160 GPM

24
Q

Elkhart Fixed Gallonage Fog Nozzle
1 3/4

Study These Flashcards
A

30 per 100 ft.
50 psi NP
150 GPM

25
1” Smooth Bore
10 per 100ft. 50 NP 210 GPM
26
1 1/8” Smooth Bore (what we use)
13 per 100 ft. 50 NP 260 GPM
27
1 1/4” Smooth Bore
15 per 100 ft. 50 NP 320 GPM
28
Elkhart Fog Nozzle 2 1/2”
12 per 100 ft. 50 NP 250 GPM
29
How many lines can be supplied off the booster tank?
One
30
Where does water enter through the impeller?
Suction eye
31
What is the impeller made out of?
Bronze
32
What type of pump does The NHFD use?
Centrifugal
33
How can pump discharge pressure & capacity be regulated?
- Adjusting nozzle pressure - Discharge valve openings - Nozzle size
34
What is the heart of the centrifugal pump?
Impeller
35
What is priming the pump?
Replacing air in the intake line and the pump with water
36
Putting the piece into pump
Parking brake Neutral Move the lever down two times (wait a second in between each time) Drive
37
Relay
Source pump 175 psi Set pressure relief valve 700 ft. of 3" will yield 1300 Gpm
38
Portable ladder pipe (T2,3,4)
80 psi at the nozzle 15 psi for the appliance 20 psi for every 100’ of 3” (truck hose) 30 psi back pressure at 70’ or 1/2 psi per foot 5 psi for Siamese 10 psi for every 100’ of 3” (150-160)
39
Truck pre pipe (PI)
120 psi at inlet gauge 10 psi for every 100’ 3” in the road
40
Volute
- Spiral shaped section of the body enclosing each impeller - Carries water from the impeller and then to discharge
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