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1

What is the range for dry chemical extinguisher?

- 15-20'
- liquids: 6-8'
- acids: 2-3'

2

What is the rating of the dry chem extinguisher used on Lafd?

- 20B-C
* above means capable of extinguishing a 20 square foot deep layer class B fire, and is safe for use on fires involving energized electrical equipment

3

How many pounds of sodium bicarbonate in dry chem extinguisher used on Lafd?

- 20 pounds

4

What is the pressure setting on dry chem extinguisher used on Lafd?

- 165 psi
* most effective 125-175 psi

5

Dry chem cone fan degree?

60 degrees

6

Junior System Facts

- not over 3-4 sprinklers
- light hazard occupancies
- connected to service water supply with 1" brass pipe and electric flow alarm
-* No FD connection or drain valve
- 3/4"-1" copper tubing
- 1/4"-3/8" sprinklers
- sprinklers discharge 1/2 amount water as standard 1" sprinkler
- identified with pintle extending beyond center of the deflector.

7

For every 2 pounds under recommended tire pressure, you lose _ in fuel economy.

- 1%

8

What is the most important fuel saver?

- Driver attitude (60%)

9

What is net pressure?

- pressure actually produced by the pump.

10

How do you find net pressure when being supplied by a hydrant?

- Pump discharge pressure - incoming hydrant pressure

11

How do you find net pressure when drafting?

- Pump discharge pressure + suction pressure + friction loss in hose

12

When drafting strainer should be _ below water surface and in at least depths of _ of water.

- 2' (prevent "eddys")
- 4'

13

AFFF proportion

- 6% concentrate to 94% water OR 1 gallon of concentrate to 16 gallons of water

14

Chainsaw brake engages _ second

- 1/10

15

For chainsaw inspect chain sprocket for grooves exceeding _ in depth.

- 1/16"

16

During extensive operations, how often should chain tension be checked?

- Every 5 min

17

Who is contacted when overhaul piles are left on public ways?

- Street maintenane

18

Phenyl Magnesium Bromide

Info:
will explode when in contact with water.

19

Order in which straps of KED are put on patient?

- Chest, Legs, Head

20

All resources shall maintain a minimum of _ size(s) of each BVM.

- 1
* However each ALS resource shall have following:
- 5 Adult
- 3 Peds
- 2 Infant

21

How long can a head of a snake after being cut off, still inject venom?

- 1 hour

22

How far down do you bury a head of a snake?

- 24" (2 feet)

23

Which extinguisher on apparatus best immobilizes a snake?

- CO2

24

Two ways single station smoke detectors detect products of combustion?

- photoelectric: beam of light *
- Ionization: radioactive material/electric current
* best

25

Rotary Saw spark plug gap?

- .020" (only one mentioned in updated TB)

26

Name of identification/MSDS sheet for trains?

- waybill
*found at caboose of train or with conductor.

27

To notify a train to stop how far out in either direction do you put flares on track?

- 1 1/2 miles in both directions

28

A fully sprinklered building must have sprinklers installed above and beneath any one of these?

- mezzanine
* 33 1/2% of floor = another story also 7' in height.

29

If questions in regards to mezzanines, which section in FPB should be contacted?

- North industrial and Commercial Section

30

How much does one section of 4" hose weigh?

- 49 pounds