Q30
A coolant is desirable component in the design of a self- contained breathing apparatus since
A.
Surroundings can be hot and humid during rescue
AnswerB.
A rescue worker generates large amount of metabolic heat
C.
Exhaled air CO2 aboprtion is an exothermic reaction
D.
Exhaled air water vapour has been condensed
Answer: Option A
Solution
Answer: Option A
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