GATE Mining Engineering 2017: Coal Spontaneous Heating & Crossing Point Temperature (Q21)

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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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Related Topics

crossing point temperature coal spontaneous heating of coal GATE Mining Engineering 2017 GATE MN 2017 Q21 CPT experiment coal spontaneous combustion of coal coal prone to spontaneous heating

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