Fuels and Combustion Which of the following is called "blue gas"? Producer gas Natural gas Coke oven gas Water gas Producer gas Natural gas Coke oven gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Undercharging of coal in the by-product coke ovens results in Decrease in the c.v. of coke oven gas No change in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Increase in its throughput Decrease in the c.v. of coke oven gas No change in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Increase in its throughput ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The weathering index of a coal Is related to its calorific value Gives an idea of the fusion temperature of ash Is a measure of its size stability, when stored & exposed to weather Is a measure of its caking tendency Is related to its calorific value Gives an idea of the fusion temperature of ash Is a measure of its size stability, when stored & exposed to weather Is a measure of its caking tendency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 10 & 20 10 & 3 15 & 8 3 & 10 10 & 20 10 & 3 15 & 8 3 & 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Gasification Carbonisation Oxidation Coalification Gasification Carbonisation Oxidation Coalification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke made in narrower by-product coke ovens (as compared to wider ovens) is Smaller in size Stronger All of these Less reactive Smaller in size Stronger All of these Less reactive ANSWER DOWNLOAD EXAMIANS APP
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