Fuels and Combustion Which of the following is not a micro component present in coal? Clarain Liptinite Fusinite Micrinite Clarain Liptinite Fusinite Micrinite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 15 & 8 10 & 3 3 & 10 10 & 20 15 & 8 10 & 3 3 & 10 10 & 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During the carbonisation of coal All of these Hard semi-coke starts shrinking at 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C All tar is evolved at < 600°C All of these Hard semi-coke starts shrinking at 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C All tar is evolved at < 600°C 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 Coalification Oxidation Carbonisation Gasification Coalification Oxidation Carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coke has the least percentage of ash? Beehive coke Metallurgical coke Petroleum coke Foundary coke Beehive coke Metallurgical coke Petroleum coke Foundary coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Width of the coke oven towards coke side is slightly more than that on pusher side to None of these Facilitate uniform heating of the oven Facilitate easy discharging of coke as it swells during carbonisation Increase the output of the coke None of these Facilitate uniform heating of the oven Facilitate easy discharging of coke as it swells during carbonisation Increase the output of the coke ANSWER DOWNLOAD EXAMIANS APP
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