Q302
The breathing bag of self contained breathing apparatus made of . . . . . . . . and divided into . . . . . . . . compartments of proto mark - IV.
A.
PVC; 1
B.
Volcanised rubber; 2
AnswerC.
Jute; 3
D.
Conven rubber; 3
Answer: Option B
Solution
Answer: Option B
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