Q72
A man exhales 0.002 m3 of CO2 per min when working in a confined space in underground. Assuming that the fresh air contains 0.03% CO2, the minimum quantity of fresh air to be supplied per person in m3/min, so that concentration of CO2, in air never crosses 0.4%, will be
A.
0.5 ∗ 10-3
B.
5.4 ∗ 10-3
C.
540 ∗ 10-3
AnswerD.
66 ∗ 10-3
Answer: Option C
Solution
Answer: Option C
No explanation is given for this question Let's Discuss on Board