Chemical Engineering — Test 112
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Question 1
Preheating of ______________ the flame temperature?
Question 2
As the C/H ratio of the fuel increases, the amount of CO2 formed on combustion _______________ for the same percentage of excess air?
Question 3
Low temperature oxidation of coal is accelerated by the____________________?
Question 4
By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of_______________?
Question 5
Which of the following is a measure of the agglutinating (i.e., binding) property of coal ?
Question 6
Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around _______________ percent?
Question 7
A good quality coal should have ___________________?
Question 8
Out of the following fuels, the difference between gross and net calorific value will be minimum in case of___________________?
Question 9
When the coal is heated in absence of air, it is called its ________________?
Question 10
High temperature carbonisation of coal takes place at _______________ °C?