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Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 4
26.
Which of the following is not a binder for coal briquetting ?
Coal tar
Bitumen
Molasses
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
The liquid used for the washing of coal in an industrial coal washery is a mixture of water and
carbon tetrachloride.
sand (40%).
mineral oil of high viscosity & specific gravity (1.6)
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Spontaneous combustion of coal on storage results due to
inadequate ventilation.
low temperature oxidation.
storage in large heaps with small surface to volume ratio.
all (a), (b)and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
High temperature carbonisation of coal produces
inferior coke compared to low temperature carbonisation.
less of gases compared to liquid products.
large quantity of tar compared to low temperature carbonisation.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Which of the following is the most poisonous gas ?
Coke oven gas
Producer gas
Blast furnace gas
L.D. converter gas
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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