Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 750 950 550 1150 750 950 550 1150 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking coal is desirable for Burning on travelling grate Burning on firebars All of these Coke making Burning on travelling grate Burning on firebars All of these Coke making ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 4000 1000 6000 8000 4000 1000 6000 8000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Quantity of coke produced from metallurgical coal may be around __________ percent. 50 75 95 30 50 75 95 30 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas constitutes mainly of H₂ & CO₂ H₂ & CH₄ H₂ & CO CH₄ & CO H₂ & CO₂ H₂ & CH₄ H₂ & CO CH₄ & CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 8 80 48 18 8 80 48 18 ANSWER DOWNLOAD EXAMIANS APP