1.
Calorific value of blast furnace gas is around _____________ KCal/Nm3?

2.
Which of the following would require least amount of secondary air for combustion ?

3.
Bulk density of pulverised coal may be about ______________ kg/m3?

4.
Bunsen burner is an example of a/an _____________ burner?

5.
The main drawback of supplying more excess air in the combustion of fuel is the_________________?

6.
The maximum adiabatic flame temperature in air is _____________ the maximum flame temperature in pure oxygen?

7.
Largest constituent of coke oven gas is_________________?

8.
Bomb calorimeter can be used to determine the _____________ of the coal?

9.
A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be_________________?

10.
Combustion reaction of fuels is a/an ______________ reaction?