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Mechanical Engineering
MEDIUM
ENGLISH
Mechanical Engineering
Water gas is produced by ___________________ ?
A
carbonisation of coal
Option A
passing steam over incandescent coke
Correct answer
C
passing air and a large amount of steam over waste coal at about 65°C
Option C
D
partial combustion of caol, eke, anthractie coal or charcoal in a mixed air steam blast
Option D
Correct answer: B
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