Numbers

Question 1

Brownstone dimensions

Answer 1

20 to 25 feet wide, about 60 feet deep

Question 2

Brownstone cockloft height

Answer 2

2’ to 3’, pitched toward the rear of the building

Question 3

Engine apparatus total rated capacity and maximum pressure rating

Answer 3

2,000 GPM
600 psi

Question 4

High Pressure Engine total rated capacity and maximum pressure

Answer 4

2,000 GPM
600 psi
- High pressure engines have been fitted with a high pressure discharge elbow, and specialized high pressure equipment.

Question 5

3rd stage engine capacity and maximum pressure rating

Answer 5

2,000 GPM
700 psi

Question 6

Squad apparatus total rated capacity and maximum pressure

Answer 6

1,000 GPM
600 psi

Question 7

Idle pressure of apparatus in Volume

Answer 7

55 psi

Question 8

Idle pressure of an apparatus in Pressure Operations

Answer 8

110 psi

Question 9

Booster tank capacity

Answer 9

500 gallons

Question 10

Deck pipe with 1 1/2” tip flow and pressure

Answer 10

660 GPM
100 psi at the tip

Question 11

Deck pipe with 2” tip flow and pressure

Answer 11

840 GPM
50 psi at the tip

Question 12

Deck pipe with 2 1/2” tip flow and pressure

Answer 12

2,000 GPM maximum rated flow
116 psi

Question 13

1 3/4” hose operational specifications

Answer 13

Each length is 50’ long
Coupling size is 1 1/2’
Operating pressure normally limited to 250 psi
Friction loss is 20 psi per length

Question 14

2 1/2” hose specifications

Answer 14

Each length is 50’
Coupling size is 2 1/2’
Operating pressure is limited to 250 psi
Friction loss is 5 psi per length

Question 15

Lightweight 2” hose specifications

Answer 15

50’ long
2 1/2” coupling
Operating pressure is normally limited to 250 psi
Friction loss is 10 psi per length

Question 16

Lightweight 2 1/2” hose specifications

Answer 16

Each length is 50 psi
Coupling size is 2 1/2”
Operating pressure is normally limited to 250 psi
Friction loss is 5 psi per length

Question 17

3 1/2” hose specifications

Answer 17

Each length is 50’
Coupling size is 3”
Operating pressure limited to 300 psi
Friction loss is approximately 3 psi per length. This number depends on several factors including the length of the stretch and the amount of water flowing.

Question 18

1 3/4” Nozzle

Answer 18

Used with 1 3/4” hose
1 1/2” coupling with a 15/16” MST that is used for attack
The required Nozzle pressure is 50 psi at the tip
Nozzle reaction is 68 lbs
1/2” OST can be attached to the MAT for overhaul purposes

Question 19

2 1/2” Nozzle

Answer 19

Used with 2 1/2” hose
Has a 2 1/2” coupling and a 1 1/8” MST
At 40 psi nozzle pressure, the nozzle reaction is 78 lbs with a flow rate of 235 GPM

At 50 psi nozzle pressure, the nozzle reaction is 98 lbs
A 1/2” OST can be attached to the MST for overhaul purposes.
2 1/2” nozzle should be marked with a white stripe around the MST

Question 20

2” nozzle

Answer 20

Used with 2” lightweight hose
2 1/2” coupling and a 1” MST
At 50 psi, the flow rate is 210 GPM with a nozzle pressure of 77 lbs.
At 55 psi, the flow rate is 220 GPM with a nozzle pressure is 95 lbs.

Question 21

1 3/4” fog nozzle

Answer 21

Used with 1 3/4” hose
1 1/2” coupling and a fog tip
At 100 psi, the flow rate is 200 GPM with a nozzle reaction of 101 lbs

Question 22

2 1/2” fog tip aka the “Aquastream”

Answer 22

2 1/2” coupling
Operating pressure is 50 to 80 psi
At 100 psi, the flow rate is 750 in full fog

Question 23

2 1/2” fog nozzle

Answer 23

2 1/2” coupling
Used with 2 1/2” hose
At 100 psi, the flow rate is 250 GPM with a nozzle reaction of 121 lbs

Question 24

Akron Turbomaster fog tip

Answer 24

2 1/2 “ coupling
Nozzle pressure is 100 psi at the tip
4 settings, capable of producing flows of 500, 750, 1000, or 1250 GPM

Question 25

Initial Exclusion zone at a HazMat incident

Answer 25

300 feet in all directions from the source or point of release. Reevaluate periodically.

Question 26

CNG is pressurized in cylinders up to

Answer 26

3,000 psi