Fuels and Combustion The cooling medium used in dry quenching of coke is Nitrogen Phenolic water Carbon dioxide Air Nitrogen Phenolic water Carbon dioxide Air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is a better fuel than blast furnace gas, because of its higher Adiabatic flame temperature Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Heat release rate (thus requiring smaller combustion chamber) All of these Adiabatic flame temperature Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Heat release rate (thus requiring smaller combustion chamber) All of these ANSWER DOWNLOAD EXAMIANS APP
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. 1150 550 750 950 1150 550 750 950 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Weathering of coal during storage causes Increase in its friability All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Moisture content Ash content Volatile matter Colour Moisture content Ash content Volatile matter Colour ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal, the Volatile matter in coke is zero Yield of tar is about 3% of dry coal Temperature maintained is 700°C Yield of coke oven gas is 290 Nm³ /ton dry coal Volatile matter in coke is zero Yield of tar is about 3% of dry coal Temperature maintained is 700°C Yield of coke oven gas is 290 Nm³ /ton dry coal ANSWER DOWNLOAD EXAMIANS APP