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Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 5
31.
Fischer-Tropsch method aims at the
gasification of coal.
synthesis of gasoline (from water gas).
hydrogenation of coal to produce gasoline.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in
shallow and small piles.
fine sizes without the presence of any lump.
closed space without any ventilation facility.
large heaps with small surface to volume ratio.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Artificial draught produced by a fan can be controlled by the
speed of the fan.
damper.
variation in the pitch of the fan blades.
all (a), (b)and(c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Water gas constitutes mainly of
CO & H2
CO & N2
CO2 & H2
CH4 & H2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Coke made in narrower by-product coke ovens (as compared to wider ovens) is
less reactive
stronger
smaller in size
all (a), (b) & (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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