Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke Decreases the abrasion resistance of coke Causes brittleness in steel None of these Decreases the hardness of coke Decreases the abrasion resistance of coke Causes brittleness in steel None of these Decreases the hardness of coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is Pitch Coke oven gas Tar Pulverised coke Pitch Coke oven gas Tar Pulverised coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of coal blend used for blast furnace coke making is about 36 22 8 12 36 22 8 12 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 0 12.5 20 10 0 12.5 20 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of Light paraffinic fuel oils is lower than that of equivalent olefins Light paraffinic fuel oils is equal to that of equivalent olefins Light paraffinic fuel oils is higher than that of equivalent olefins N-paraffin is lower than that of iso-paraffins of the same compounds Light paraffinic fuel oils is lower than that of equivalent olefins Light paraffinic fuel oils is equal to that of equivalent olefins Light paraffinic fuel oils is higher than that of equivalent olefins N-paraffin is lower than that of iso-paraffins of the same compounds ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The function of secondary combustion air is to Pneumatically convey the pulverised coal Completely burn the volatile matter Burn the lumpy coal None of these Pneumatically convey the pulverised coal Completely burn the volatile matter Burn the lumpy coal None of these ANSWER DOWNLOAD EXAMIANS APP
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