Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Carbonisation Gasification Coalification Oxidation Carbonisation Gasification Coalification Oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray-King Assay and Roga Index of coal is a measure of its Caking and swelling properties Weathering properties Grindability Abradability Caking and swelling properties Weathering properties Grindability Abradability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have None of these High sulphur High ash content Low fusion point of ash None of these High sulphur High ash content Low fusion point of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of benzol are Tar & creosote Ammonia & phenol Anthracene & phenol Benzene, toluene & xylene Tar & creosote Ammonia & phenol Anthracene & phenol Benzene, toluene & xylene ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ammonia content in raw coke oven gas is about __________ gm/Nm³. 50 100 1 15 50 100 1 15 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens None of these May damage its walls due to abrupt excessive swelling of coal Increases the time of carbonisation Produces larger size coke None of these May damage its walls due to abrupt excessive swelling of coal Increases the time of carbonisation Produces larger size coke ANSWER DOWNLOAD EXAMIANS APP
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