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 During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Density Porosity Electrical resistivity None of these Density Porosity Electrical resistivity None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Size stability Coking tendency Caking tendency Clinkering tendency Size stability Coking tendency Caking tendency Clinkering tendency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas burns with an yellowish flame, because of the presence of CO₂ H₂ CH₄ NH₃ CO₂ H₂ CH₄ NH₃ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard pitch is used for making Pulverised fuel Insecticides Plastics Perfumes Pulverised fuel Insecticides Plastics Perfumes ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion One kg of carbon for theoretically complete combustion requires __________ kg of air. 11.5 23 12 0.5 11.5 23 12 0.5 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS