Fuels and Combustion In low temperature carbonisation of coal, the 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 Volatile matter in coke is zero Yield of tar is about 3% of dry coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to Enhance its calorific value Facilitate easy ash removal Provide trouble free operation Ensure its complete combustion Enhance its calorific value Facilitate easy ash removal Provide trouble free operation Ensure its complete combustion 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 higher than that of equivalent olefins N-paraffin is lower than that of iso-paraffins of the same compounds Light paraffinic fuel oils is equal to that of equivalent olefins Light paraffinic fuel oils is lower than 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 equal to that of equivalent olefins ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coke has the least percentage of ash? Petroleum coke Metallurgical coke Foundary coke Beehive coke Petroleum coke Metallurgical coke Foundary coke Beehive coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Combustion of fire slacks on the grates Handling (e.g. when emptying wagons) Its pulverisation (as it requires more power) None of these Combustion of fire slacks on the grates Handling (e.g. when emptying wagons) Its pulverisation (as it requires more power) None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Grindability index of a coal is 100. It implies that the Coal can be pulverised with great difficulty Power consumption in grinding the coal will be very high Coal can't be pulverised Coal can be easily pulverised Coal can be pulverised with great difficulty Power consumption in grinding the coal will be very high Coal can't be pulverised Coal can be easily pulverised ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS