Mining Engineering > GATE 2017 > Underground Coal Mining
The results of the crossing point temperature experiments for coal A and B are shown in the figure.
A
coal A is more prone to spontaneous heating than coal B
B
coal B is more prone to spontaneous heating than coal A
C
coal A is more prone to coal dust explosion than coal B
D
coal B is more prone to coal dust explosion than coal A

Correct : b

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