When the alarm bell on a self-contained...
Question 1 of 27070
Q
When the alarm bell on a self-contained breathing apparatus sounds, how much air supply remains?
A
A 4-5 minute supply of air.
B
A 2-3 minute supply of air.
C
A 1 minute supply of air.
D
Less than 1 minute supply of air.
Question 1 / 27070
5eccef9ebacbc34ba4d464ca
Question 1 of 27070
5eccef9ebacbc34ba4d464ca
When the alarm bell on a self-contained breathing apparatus sounds, how much air supply remains?
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A
A 4-5 minute supply of air.
B
A 2-3 minute supply of air.
C
A 1 minute supply of air.
D
Less than 1 minute supply of air.
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Question 1 of 27070
5eccef9ebacbc34ba4d464ca
Q
When the alarm bell on a self-contained breathing apparatus sounds, how much air supply remains?
A
A 4-5 minute supply of air.
B
A 2-3 minute supply of air.
C
A 1 minute supply of air.
D
Less than 1 minute supply of air.
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Discussion