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