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Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 8
16.
Most of the coking coals are
anthracite
bituminous
lignite
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Gobar gas constitutes mainly of
CH4 & CO2
CO & CO2
CH4 & N2
CO & N2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
High ash containing coke
produces more slag when used in the blast furnace.
has poor strength and abrasion resistance.
is desirable in producer gas manufacture.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Stoichiometric combustion of 12 kg of carbon requires __________ of oxygen.
1kg mole
22.4 Nm3
32 kg
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Coal is pulverised before burning in large capacity boiler furnaces mainly to
ensure its complete combustion.
facilitate easy ash removal.
enhance its calorific value.
provide trouble free operation.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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