Question 7 of 30
To safely enter a compartment where CO2 has been released from a fixed extinguishing system, you should:
A
Wear a generic particulate dust filter mask
B
Run a hand-held exhaust blower for five minutes first
C
Wear a self-contained breathing apparatus (SCBA)
D
Wait ten minutes for gas settlement before walking in
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Answer & Explanation
The correct answer is Option C: Wear a self-contained breathing apparatus (SCBA).
Carbon dioxide (CO2) displaces oxygen and can create a hazardous atmosphere for breathing. Entering a compartment where CO2 has been released requires a self-contained breathing apparatus (SCBA) to ensure a safe supply of breathable air.