Q225
If the determination made driving the thirty days immediately proceeding any day have shown the percentage of inflammable gas to be below . . . . . . . . it shall be sufficient to make such determination, once in every . . . . . . . . days for so long as such does not exceed that percentage.
A.
0.8, 14
B.
0.6, 30
AnswerC.
0.8, 14
D.
0.7, 7
Answer: Option B
Solution
Answer: Option B
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