Fuels and Combustion A coal with high ash content Has low quantity of mineral matter Is harder and stronger Has higher calorific value Is not subjected to washing Has low quantity of mineral matter Is harder and stronger Has higher calorific value Is not subjected to washing ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 50 10000 1000 5000 50 10000 1000 5000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 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. 10 35 5 20 10 35 5 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Mixed gas' used in steel plants is a mixture of Blast furnace gas and naphtha vapor Coke oven gas and converter gas Coke oven gas and L.P.G F. gas and coke oven gas Blast furnace gas and naphtha vapor Coke oven gas and converter gas Coke oven gas and L.P.G F. gas and coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Weathering of coal during storage causes Reduction in coal size Decrease in its caking capacity Increase in its friability All of these Reduction in coal size Decrease in its caking capacity Increase in its friability All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Quantity of coke produced from metallurgical coal may be around __________ percent. 50 95 30 75 50 95 30 75 ANSWER DOWNLOAD EXAMIANS APP
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