Mining Engineering > GATE 2019 > Underground Coal Mining
Match the following for coal mining operation:
A
P-C-1, Q-D-3, R-A-2, S-B-4
B
P-C-1, Q-A-3, R-B-4, S-D-2
C
P-C-1, Q-A-4, R-B-3, S-D-2
D
P-B-3, Q-C-2, R-A-1, S-D-4

Correct : b

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