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Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 6
11.
The gasification reaction represented by, C + H2O = CO + H2, is
exothermic
endothermic
catalytic
autocatalytic
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Insitu theory and drift theory are related to the
origin of petroleum oil.
origin of coal.
coalification.
variation of coal quality with depth.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Pick out the wrong statement.
Indian coals on an average contain 25-30% ash as against 10-12% ash in imported coking coal.
Ammonia is recovered in the form of ammonium sulphate in direct process of by-product recovery.
A high swelling index number of coking coal indicates poor caking properties of coal.
Wash oil is used for scrubbing benzol from coke oven gas.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr.
2.5
0.5
10
20
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Which of the following will generate maximum volume of product of complete combustion (Nm3/Nm3 of fuel) ?
Carburetted water gas
Blast furnace gas
Natural gas
Producers' gas
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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