Mining Engineering > GATE 2017 > Underground Coal Mining

Contributed by: Dr. Sarah Chen

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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

Check Answer

Explanation

Correct : b

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