Chemical Engineering — Test 113

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Question 1

With increase in calorific value of fuels, their adiabatic flame temperatures__________________?

Question 2

Low temperature carbonisation of coal takes place at ______________ °C?

Question 3

Prime coking coal is always blended with medium or non- coking coal before carbonisation__________________?

Question 4

In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the______________?

Question 5

Grindability index of a coal is 100. It implies that the ___________________?

Question 6

Naphthalene recovered from coke oven gas is used___________________?

Question 7

When incomplete combustion loss is high, the flue gas analysis shows large amount of ________________?

Question 8

One kg of carbon for theoretically complete combustion requires ______________ kg of air?

Question 9

____________ process is meant for direct hydrogenation of coal to produce liquid fuel?

Question 10

During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the____________________?