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Chemical Engineering — Test 105

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Question 1
The internal energy of the combustion products is ____________________ compared to that of reactants?
Question 2
Gross heating value of coal is ______________ the net heating value?
Question 3
In high temperature carbonisation (as compared to low temperature carbonisation) of coal___________________?
Question 4
The difference between total carbon and fixed carbon of coal will be minimum in case of___________________?
Question 5
Increase in ash content of blast furnace coke_________________?
Question 6
Which of the following accentuates clinkering trouble on furnace grate burning coal ?
Question 7
Which of the following is the most poisonous gas ?
Question 8
A coal with high ash content is undesirable, as________________?
Question 9
Percentage of hydrogen in coke oven gas may be around ___________________?
Question 10
Soft coke is not ___________________?