Fuels and Combustion Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases. Dew point O₂ content CO₂ content CO content Dew point O₂ content CO₂ content CO content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Ignition temperature of coke produced is less Tar yield is more Gas yield is less Aromatic content of tar produced is more Ignition temperature of coke produced is less Tar yield is more Gas yield is less Aromatic content of tar produced is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the Use of preheated primary air Use of thick fire bed All of these Low fusion point of ash (< 1100° C) Use of preheated primary air Use of thick fire bed All of these Low fusion point of ash (< 1100° C) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke made in narrower by-product coke ovens (as compared to wider ovens) is Less reactive Stronger Smaller in size All of these Less reactive Stronger Smaller in size All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A travelling grate stoker is meant for the efficient burning of __________ coal. Non-caking Caking Pulverised High ash Non-caking Caking Pulverised High ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the Incomplete combustion of coal Risk of explosion Requirement of large volume combustion chamber Chances of clinker formation Incomplete combustion of coal Risk of explosion Requirement of large volume combustion chamber Chances of clinker formation ANSWER DOWNLOAD EXAMIANS APP
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