AO's Test T.B. Flashcards

0
Q

What is the discharge time of a 20 pound dry chemical extinguisher?

A

10 seconds

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1
Q

A high voltage sign stands for a minimum of how many volts?

A

750 volts

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2
Q

What is a discharge time of the 20 pound CO2 extinguisher?

A

60 seconds

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3
Q

What is the NFPA standard for ICS?

A

1561

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4
Q

What is the minimum safe work area for vehicle extrication?

A

30’

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5
Q

How many volts Can high-voltage conductors carry?

A

Up to 34,505

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6
Q

How many volts do low-voltage conductors carry?

A

240-480 volts.

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7
Q

Dry chem extinguishers have an effective range of how many feet?

A

15-20’

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8
Q

The portable acetylene cutting torch will operate for how many minutes and cut metal how thick?

A

15minutes, 2”

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9
Q

What is the rating for Seagrave aerial ladder pipes GPM and PSI?

A

800 GPM at 80 PSI.

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10
Q

What should the angle be of a ladder pipe operation for the arial ladder?

A

75-80 degrees

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11
Q

What is the range in miles and watts of power a LAFD portable radio transmits?

A

2-3 miles, 2 or 4 watts

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12
Q

What is the color of a natural gas pipe? What is the burst strength required for this pipe?

A

Salmon-beige, 800 psi

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13
Q

When do you replace a chain on the chainsaw?

A

When there are three or more missing cutters in a row, when you are missing or have six damaged tips at random or there’s any cracked or broken tie straps.

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14
Q

How many minutes can you get of continuous operation using a 30 minute bottle and a 60 minute bottle for the pneumatic power chisel?

A

2,4

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15
Q

How long are the air hoses for the pneumatic power chisel?

A

25 feet.

16
Q

What is the thickness of wood it Tiger saw I will cut? What is the thickness of metal the tiger saw will cut?

A

12”, 3/4”

17
Q

The Tiger saw may be plunge cut into wood, plywood, wallboard, and plastic. But it will not be plunge cut it into what?

A

Metal

18
Q

Manhole covers weigh?

And can can travel up to _ft?

A

300lbs

125 ft

19
Q

Railroad car firefighting procedure SHALL include ?

A

Keeping car doors closed, cutting small hole in roof directly over fire and inserting fine spray stream into hole (that’s what she said)

20
Q

Acetylene pressure for cutting torch?

A

Always 7 psi

21
Q

O2 pressure for cutting torch?

A

0”-1” metal - 35psi

1”-2” metal - 60psi (working time goes down from 15 min to 9 min)

22
Q

Evac-U-splint fastsplint is with _% bleach solution?

A

1% (old test question, everything else is 10% bleach)

23
Q

Heavy lift gurney max capacity is?

A

650lbs in upright position, 1000lbs in lowest

24
Q

Sled rescue system weighs? Size?

A

Weighs 19lbs

9”x36” rolled, 3’ x 8’ laid out

25
Q

Metro redline operates from ___ volts dc current?

A

750 volts

26
Q

Metro redline cars can seat how many people? How many standing?

A

59 sitting

220 standing

27
Q

What level is EMP located?

A

Mezzanine level

28
Q

Metro red exits signs will not exit to street street level, ______ colored exit signs will lead to emergency hatch and outside.

A

Green

29
Q

FD has ____ radio. Channels that will operate the operate through tunnel

A

8

30
Q

In metro tunnel 2 1/2” outlets located every ?

A

250ft

31
Q

Air rescue cushion sizes?

A

15’ x 20’ 70ft bag

20’ x 50’ 100ft bag