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Question 1

atmosphere is PROVEN non-hazardous via continuous meter readings.
Safe Atmospheric Conditions
1. Oxygen Concentration between?
2. Flammable Range - Not over ?
3. Toxicity - Not over ? PPM of Carbon Monoxide
4. Toxicity - Not over ? PPM of Hydrogen Sulfide

Answer 1

1. Oxygen Concentration between 19.5% and 23.5%
2. Flammable Range - Not over 10% of LEL
3. Toxicity - Not over 35 PPM of Carbon Monoxide
4. Toxicity - Not over 10 PPM of Hydrogen Sulfide

Question 2

ow many turns to shut off street hydrant

Answer 2

Counter clockwise 17 turns
after about 12 turns noticeable diff

!8 turns to turn on yellow hydrant clockwise

Question 3

Rowframe

An engine company ordered to an exposure for cockloft extinguishment should take what ?

Answer 3

A 6’ HOOK

Question 4

The following system of touch signals can be used in conjunction with verbal commands to relay orders:
• Opening or closing the nozzle-
• Direction of stream--
• Advancement of hoseline--
• Halt or stop advance-

Answer 4

-One or two slaps on the back or shoulder.

Tug or pull on the arm or nozzle, either left or right.

Steady push on back or mask cylinder.

-Pull back on shoulder, bunker coat or mask assembly.

Question 5

A physical communication system between the Guide Man and the Operator will
be as follows:
A. One slap on the back of Operator
B. Two slaps on the back of Operator
C. Three slaps on the back of Operator

Answer 5

……………Stop Cut.

………….Cut.

………..Shut Down Saw.

Question 6

In Line Pumping
The following signals shall be sent from back step buzzer:
One buzzer tone
Two buzzer tones
Three buzzer tones

Answer 6

———–Emergency stop.

———-Hose FF is in position, pumper to proceed.

——–Area to rear of pumper is clear for backing up operations and under proper supervision.

Question 7

This starter enable switch must be depressed while the chauffeur starts the engine. After the engine has been started, the foot pedal is
released. The steering wheel horn can be used as the

Answer 7

starter enable switch and

buzzer.

Question 8

Regarding the use of this Tiller FF signal buzzer, the following sequences of signals is recommended:

1. One (1) buzzer tone signal
2. Two (2) buzzer tone signals
3. Three (3) buzzer tone signals

Answer 8

– STOP

– Tiller FF in position to respond.

– Area to rear of apparatus clear for back up operations when properly supervised by officer and guides

buzzer should be checked each tour