Fuels and Combustion Fixed carbon in coal is defined as The total quantity of carbon present in the coal The one which is present in the residue after combustion Hundred minus the percentage of volatile matter, ash and moisture That present in volatile matters The total quantity of carbon present in the coal The one which is present in the residue after combustion Hundred minus the percentage of volatile matter, ash and moisture That present in volatile matters ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace coke is made from coal by Heating the coal in an oven in presence of air High temperature carbonisation Medium temperature carbonisation Low temperature carbonisation Heating the coal in an oven in presence of air High temperature carbonisation Medium temperature carbonisation Low temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Atomising steam to fuel oil ratio in a burner should be around 3.5 2.5 0.5 1.5 3.5 2.5 0.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lignite is A black banded coal which burns with a non-smoky yellowish flame A coking coal A high rank coal Can be used for gasification and steam generation A black banded coal which burns with a non-smoky yellowish flame A coking coal A high rank coal Can be used for gasification and steam generation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal during its high temperature carbonisation Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Increases the loss of fine coal dust from the ovens when charging None of these Reduces the coking time Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Increases the loss of fine coal dust from the ovens when charging None of these Reduces the coking time ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal? Durain Clarain Vitrain Fussain Durain Clarain Vitrain Fussain ANSWER DOWNLOAD EXAMIANS APP
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