Fuels and Combustion Blast furnace coke is made from coal by High temperature carbonisation Heating the coal in an oven in presence of air Medium temperature carbonisation Low temperature carbonisation High temperature carbonisation Heating the coal in an oven in presence of air Medium temperature carbonisation Low temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross calorific value will be equal to the net calorific value for CO C₂H₂ C₂H₆ H₂ CO C₂H₂ C₂H₆ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires High excess air Low preheat of air All of these Fine grinding High excess air Low preheat of air All of these Fine grinding ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Develops a low temperature flame Can be done with less excess air Provides a lower rate of heat release Develops a non-luminous flame Develops a low temperature flame Can be done with less excess air Provides a lower rate of heat release Develops a non-luminous flame 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 & 3 10 & 20 3 & 10 15 & 8 10 & 3 10 & 20 3 & 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main advantage of forced draft over natural draft is that Combustion of fuel is complete All of these Smaller height chimney can be used Furnace control is easier Combustion of fuel is complete All of these Smaller height chimney can be used Furnace control is easier ANSWER DOWNLOAD EXAMIANS APP
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