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 Increases the flame temperature Tends to shorten the flame Lengthens the flame Does not affect the flame length Increases the flame temperature Tends to shorten the flame Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Soft coke is not Produced by low temperature carbonisation of coal None of these Used in blast furnaces A domestic fuel Produced by low temperature carbonisation of coal None of these Used in blast furnaces A domestic fuel 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 Is not undersirable Reduces its calorific value Badly affects the quality of steel Increases its caking power Is not undersirable Reduces its calorific value Badly affects the quality of steel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS