EXAMIANS
Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air.
YOUR ANSWER : ?
YOUR ANSWER : ?
Presence of force moisture in coal is most disadvantageous during its
YOUR ANSWER : ?
Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of
YOUR ANSWER : ?
Calorific value as determined by bomb calorimeter is the
YOUR ANSWER : ?
Laboratory gas is obtained by the cracking of
YOUR ANSWER : ?
Softening temperature of coal ash is a measure of the __________ of coal.
YOUR ANSWER : ?
__________ present in coal is not determined in its ultimate analysis.
YOUR ANSWER : ?
During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass.
YOUR ANSWER : ?
When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal.
YOUR ANSWER : ?
Which of the following constituents of coal is the most important in the production of coke?
YOUR ANSWER : ?