Fuels and Combustion Efficiency of the combustion of a fuel is judged by the __________ the flue gas. % of O₂in Temperature of %of CO₂ in Colour of % of O₂in Temperature of %of CO₂ in Colour of ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ has the widest inflammability limit (explosion limit) of all the gases. Acetylene Methane Hydrogen Carbon monoxide Acetylene Methane Hydrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Both B and C Ash content Mineral matter content Caking index Both B and C Ash content Mineral matter content Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the High rank coals have higher amount of volatile matter Oxygen content progressively decreases Calorific value of the coal increases Ratio of fixed carbon to volatile matter increases High rank coals have higher amount of volatile matter Oxygen content progressively decreases Calorific value of the coal increases Ratio of fixed carbon to volatile matter increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking coal is desirable for Coke making Burning on travelling grate Burning on firebars All of these Coke making Burning on travelling grate Burning on firebars All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content in coking coal may be about __________ percent. 46 1 22 7 46 1 22 7 ANSWER DOWNLOAD EXAMIANS APP