Fuels and Combustion When the coal is heated in absence of air, it is called its Coalification Deoxidation Gasification Carbonisation Coalification Deoxidation Gasification Carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Does not affect the flame length Lengthens the flame Increases the flame temperature Tends to shorten the flame Does not affect the flame length Lengthens the flame Increases the flame temperature Tends to shorten the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Soft coke is not Produced by low temperature carbonisation of coal A domestic fuel None of these Used in blast furnaces Produced by low temperature carbonisation of coal A domestic fuel None of these Used in blast furnaces ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 3 & 10 15 & 8 10 & 20 10 & 3 3 & 10 15 & 8 10 & 20 10 & 3 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of phosphorous in metallurgical coal Is not undersirable Increases its caking power Badly affects the quality of steel Reduces its calorific value Is not undersirable Increases its caking power Badly affects the quality of steel Reduces its calorific value ANSWER DOWNLOAD EXAMIANS APP
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