Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Fire Training > SCBA > Flashcards

SCBA Flashcards

1
Q

When donning SCBA, fire fighters should check that the cylinder has a minimum of __ % of its rated maximum pressure.

A

90

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The realistic duration of an SCBA air supply is ___ than the rated duration.

A

Much shorter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the primary function of the red purge valve on an SCBA?

A

Supply air in the event of a regulator malfunction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

NFPA standards require an SCBA low air alarm to sound when the cylinder pressure drops to ___ % of capacity.

A

35%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Pressure readings on an SCBA cylinder gauge and the regulator or remote pressure gauge should not differ by more than __ %.

A

10%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which type of breathing apparatus recycles the user’s exhaled air?

A

Closed Circuit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the function of the bell on the SCBA?

A

Warn a SCBA wearer of low cylinder pressure.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The __ type of SCBA is most commonly used in fire fighting. This type of SCBA vents exhaled air to the outside atmosphere.

A

open-circuit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which of the following statements is true:
A) Most SCBA cylinders are made of steel
B) SCBA cylinders are periodically run through hydrostatic testing
C) The minimum quality for air used in SCBAs is Grade A
D) Regulators on SCBA units are only attached to the wrist strap.

A

B) SCBA air cylinders are periodically run through hydrostatic testing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

You are fighting a fire inside a structure with your partner. Your partner’s low air supply alarm begins to sound. What should happen next?

A

Both you and your partner should immediately exit the structure.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

While firefighting inside a structure, debris falls from the attic blocking your exit. Your only way out is through a small opening in the wall. You will not fit through the opening with the SCBA on in it’s normal position. Which of the following statements is true concerning passage through the restricted opening:
A) You can remove your facepiece if needed to squeeze through the opening
B) Loosen the straps of your SCBA and rotate the SCBA unit under the arm along the rib cage as a first step. A last resort is removing the harness assembly and holding the SCBA in front of you
C) You do not need to maintain constant contact with the SCBA unit
D) All of the above

A

B) Loosen the straps of your SCBA and rotate the SCBA unit under the arm along the rib cage as a first step. A last resort is removing the harness assembly and holding the SCBA in front of you

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

In the event of an SCBA malfunction, ___.
A) The firefighter should remain calm and exit the hazardous environment immediately with their teammate
B) The firefighter should manually activate the PASS device
C) A “Mayday” message should be announced on the portable radio
D) All of the above

A

D) All of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Terrace Park SCBA cylinders are rated a __ minutes?

A

45

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Methods for donning SCBA include:

A

Over-the-Head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

As the oxygen supply in any given area falls below __ %, unconsciousness can occur.

A

9%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which of the following is considered to be a hazardous atmosphere encountered during fires?
A) Oxygen deficiency
B) Elevated temperatures
C) Smoke
D) All of the Above

A

D) All of the Above

17
Q

Filling an air cylinder form a cascade system must be done slowly to prevent:

A

Excessive heat buildup.

18
Q

The service life of TP hoop-wrapped fiberglass air bottles is:

A

15 years.

19
Q

What fire gas kills by replacing oxygen in the blood?

A

Carbon Monoxide

20
Q

Which gas is most commonly produced by residential or commercial fires?

A

Hydrogen Cyanide

21
Q

Which fire gas is a product of incomplete combustion of common household items?

A

Phosgene

22
Q

Smoke has ___ major components.

A

3

23
Q

An oxygen-deficient atmosphere is defined as one where the percentage of oxygen in the air is less than __ %.

A

19.5%

24
Q

Hypoxia is:

A

A deficiency of oxygen

25
Q

The coupling on the high pressure hose that is attached to an SCBA cylinder should be:

A

Hand tight

26
Q

Four hazardous atmospheres that fire fighters are likely to encounter at a fire are:

A

super-heated air, toxic gases, oxygen deficiency, and smoke

27
Q

Which of the following is NOT a characteristic of carbon monoxide?
A) It is produced by incomplete combustion
B) It displaced oxygen in the blood stream
C) It has a sharp, pungent odor
D) Its IDLH is 1200 to 1500 PPM

A

C) It has a sharp pungent odor.

28
Q

When exposed to the products of combustion, the __ are more vulnerable to injury than any other body area

A

Lungs and respiratory tract

29
Q

Who is responsible for determining when removal of SCBA is permissible after a fire has been extinguished?

A

The safety officer

30
Q

Which of the following must occur before SCBA is removed?

A

The atmosphere has been tested and found safe.

Fire Training (17 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions