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Mechanical Engineering
MEDIUM
ENGLISH
Mechanical Engineering
Spontaneous combustion is a phenomenon in which____________________?
A
all the fuel burns instantaneously producing high energy release
Option A
B
fuel burns with less air
Option B
coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal
Correct answer
D
explosion in furnace
Option D
Correct answer: C
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