Vidyalelo
Mining Engineering · Q413

Mine Ventilation

Engineering and GATE · Mining Engineering · question 413

Q413

The percentage of CO2 present in atomospheric air by weight

A.
0.04
Answer
B.
0.03
C.
0.05
D.
0.0044

Answer: Option A

Solution

Answer: Option A
No explanation is given for this question Let's Discuss on Board