Mining Engineering > GATE 2019 > Mine Environment
The figures shown represent the analysis of gas samples collected from a sealed off area in a coal mine over a period of time. The best representation of the progressive change of gaseous environment inside the sealed-off area is
A
Figure P
B
Figure Q
C
Figure R
D
Figure S

Correct : d

Similar Questions

Polluted air with particulate matters of diameter 50 μ m enter with a horizontal velocity of 1.0 m/s at a height of 0.5 m from the bottom of a dry settling c...
#37 Fill in the Blanks
The data obtained from an air sample analysis of an old working in a coal mine are given. O2 17.15%, CO2 3.40%, CH4 2.20%, and N2 77.25%. Considering atmospheri...
#39 Fill in the Blanks
The reaction products of calcium hydroxide with acidic ferruginous mine water are
#72 MCQ

Related Topics

gas sample analysis mining coal mine gas samples GATE Mining Engineering 2019 gas environment inside sealed area progressive change gaseous environment mining engineering gas samples gas samples coal mine GATE 2019 question 42

Unique Visitor Count

Total Unique Visitors

Loading......

Question Options

Contributed by: