Self Contained Breathing Apparatus Quiz! Trivia
(193).jpg "Self Contained Breathing Apparatus Quiz! Trivia")
A self-contained breathing apparatus (SCBA) refers to the breathing apparatus used by rescue workers and firefighters to filter and enable fresh oxygen intake during a fire or emergency. SCBA can also be operated in oxygen deficiency or during the intake of poisonous contaminants and gases. This quiz has been created to test your knowledge of the use and operations of an SCBA.
- 1.Normal percent of oxygen in the air is:
- A.
18%
- B.
21%
- C.
23%
- D.
16%
- 2.General symptoms of exposure to respiratory hazards include:
- A.
Impaired senses or unusual sensations
- B.
Mental confusion or dizziness
- C.
Maybe without symptoms
- D.
All of the above
- 3.Symptoms of exposure to respiratory hazards may occur:
- A.
Immediately after the exposure
- B.
Hours after the exposure
- C.
Days after the exposure
- D.
All of the above
- 4.The purpose of wearing an SCBA is to:
- A.
Assure that the firefighter has the proper weight on him
- B.
Limit the visibility of the firefighter
- C.
Protect the respiratory tract from toxic and/or superheated products
- D.
All of the above
- 5.Breathing consists of:
- A.
Inhalation & Exhalation
- B.
Wearing a positive pressure SCBA
- C.
Both a & b
- D.
Holding your breath for as long as you can than take a quick breath off the SCBA to make it last as long as possible
- 6.What is the reason that the use of standard eyeglass frames is not recommended while wearing an SCBA?
- A.
The lenses will fog up
- B.
They will prevent face piece seal at the temples
- C.
It will damage the eyeglass frames
- D.
All of the above
- 7.The actual time of use that a wearer can get from an SCBA depends on:
- A.
User’s physical condition
- B.
User’s size
- C.
Workload
- D.
All of the above
- 8.Side effects of positive pressure breathing are:
- A.
Decreases work requirements to exhale
- B.
Increases work required to inhale
- C.
Breathing under positive pressure causes increased depth of breathing
- D.
Decreases work required to inhale
- 9.Advantage or advantages of wearing an SCBA are:
- A.
Gives wearer unlimited working air in a hostile environment
- B.
Air supply is independent of environment
- C.
Both a & b
- D.
Actual time is about half of rated time
- 10.When the low pressure warning device activates:
- A.
Notify his partner about alarm activation and both wearer and partner should exit the hostile environment immediately
- B.
There is approximately 25% of rated working pressure of air left in the cylinder
- C.
Both a & b
- D.
Start skip breathing
Questions: 20 | Attempts: 92837 | Last updated: Dec 15, 2020
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