Fuels and Combustion Hard coke is manufactured from Semi-anthracite Anthracite Bituminous coal Lignite Semi-anthracite Anthracite Bituminous coal Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent. 4 20 96 40 4 20 96 40 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace coke is made from coal by Medium temperature carbonisation High temperature carbonisation Low temperature carbonisation Heating the coal in an oven in presence of air Medium temperature carbonisation High temperature carbonisation Low temperature carbonisation Heating the coal in an oven in presence of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Decreases Remains constant Increases May increase or decrease, depends on combustibles Decreases Remains constant Increases May increase or decrease, depends on combustibles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main drawback of supplying more excess air in the combustion of fuel is the Enhanced sensible heat loss in the flue gas High exit flue gas temperature from the furnace Excessive power requirement of air blower Intermittant and uncontrolled combustion of the fuel Enhanced sensible heat loss in the flue gas High exit flue gas temperature from the furnace Excessive power requirement of air blower Intermittant and uncontrolled combustion of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of a gaseous fuel results in increased Flame temperature Quantity of flue gas Ignition temperature Flame length Flame temperature Quantity of flue gas Ignition temperature Flame length ANSWER DOWNLOAD EXAMIANS APP