Fuels and Combustion — Test 13
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Question 1
Naphthalene is used for making_________________?
Question 2
Which of the following accounts for maximum energy loss in a boiler ?
Question 3
Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about _______________ percent?
Question 4
Anthracite can be used for___________________?
Question 5
Froth floatation is used for_________________?
Question 6
Main constituent of natural gas is ________________?
Question 7
Which of the following fertilisers is produced in the by-products recovery (from coke oven gas) plant attached to an integrated steel plant ?
Question 8
A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the_________________?
Question 9
64-132) rank coal (ASTM) means a coal with 64%___________________?
Question 10
With increases in carbonisation temperature_______________________?