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Fuels and Combustion — Test 9

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Review Skipped Questions

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Question 1
‘Wobbe index’ is a characteristic of__________________?
Question 2
The optimum percentage of excess air for combustion depends upon the _______________ of the fuel?
Question 3
Presence of free moisture in coal during its high temperature carbonisation _____________________?
Question 4
In high temperature carbonisation of coal compared to low temperature carbonisation ?
Question 5
KOH solution used in Orsat apparatus absorbs____________________?
Question 6
The heat of combustion of a fuel___________________?
Question 7
Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature ?
Question 8
Coking time in beehive coke oven is about ___________________?
Question 9
Which of the following is not a binder for coal briquetting ?
Question 10
A coal with high ash content___________________?