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Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 8
26.
Which of the following is a primary fuel ?
Blast furnace coke
Gasoline
Natural gas
Wood charcoal
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Combustion of pulverised coal compared to the lumpy coal
provides better control of furnace temperature.
facilitates combustion with lower excess air.
provides higher thermal efficiency & flame temperature.
all (a), (b) & (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always
1
< 1
> 1
unpredictable
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
A coal with high __________ content, would ignite most easily.
fixed carbon
volatile matter
ash
oxygen
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
KOH solution used in orsat apparatus absorbs
CO2
SO2
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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