SCBA Flashcards
1
Q
- Air passing through the secondary pressure reducer piston and porting is sent through the outlet port to the mask mounted regulator at a pressure of ___ to ___ psig.
A
145-165
2
Q
- The mask mounted regulator functions by the action of the diaphragm ____ on the demand lever during the user’s inhalation.
A
Pushing up
3
Q
- The purge knob on the side of the mask mounted regulator is a manual override allowing the user to create a constant flow of air into the face piece at a flow of up to ____ liters per minute.
A
225
4
Q
- Per the SCBA manual Department Policy ALL members shall be fit tested when?
A
b. Before any utilization of an SCBA
5
Q
- When utilizing an SCBA under water, always make sure you fill out a form _____.
A
d. Never use an SCBA under water
6
Q
- _____ is a basic byproduct of combustion and is encountered in all firefighting operations.
A
c. Heat
7
Q
The quantity of this gas produced by the combustion process is too small to be considered toxic
A
Hydrogen chloride
8
Q
A 60 minute rated composite cylinder contains ___ cubic feet of air when pressurized to 4500psi.
A
87
9
Q
The regulator is equipped with a spray bar, comprised of __ holes in the upper part of the regulator assembly.
A
9
10
Q
Transmitter signals of the HHR will be absorbed by ____.
A
The human body
11
Q
When cleaning the regulator or facepiece never use water warmer than ___ degrees.
A
110
12
Q
Which 54 shall be filled out daily by Air Unit Techs?
A
54.2AU
13
Q
Air 2 is responsible for checking all of the following locations for bottles EXCEPT. aEngine 12 b. Engine 16 c. Training Academy d. Engine 15
A
engine 16