Fuels and Combustion When the coal is heated in absence of air, it is called its Carbonisation Gasification Coalification Deoxidation Carbonisation Gasification Coalification Deoxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Does not affect the flame length Tends to shorten the flame Increases the flame temperature Lengthens the flame Does not affect the flame length Tends to shorten the flame Increases the flame temperature Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Soft coke is not 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 Produced by low temperature carbonisation of coal 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 & 20 10 & 3 3 & 10 15 & 8 10 & 20 10 & 3 3 & 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of phosphorous in metallurgical coal Increases its caking power Reduces its calorific value Is not undersirable Badly affects the quality of steel Increases its caking power Reduces its calorific value Is not undersirable Badly affects the quality of steel ANSWER DOWNLOAD EXAMIANS APP
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