Fuels and Combustion Fixed carbon in coal is defined as 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 The total quantity of carbon present in the coal The one which is present in the residue after combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. Iron sulphate Iron silicate Lime and magnesia All of these Iron sulphate Iron silicate Lime and magnesia All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack (chimney) height in a big thermal power plant is dictated by the Limitation of constructional facilities Pollution control aspect None of these Draught to be created Limitation of constructional facilities Pollution control aspect None of these Draught to be created 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 Excessive power requirement of air blower High exit flue gas temperature from the furnace Intermittant and uncontrolled combustion of the fuel Enhanced sensible heat loss in the flue gas Excessive power requirement of air blower High exit flue gas temperature from the furnace Intermittant and uncontrolled combustion of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a poisonous fuel gas? Blast furnace gas Natural gas Coke oven gas None of these Blast furnace gas Natural gas Coke oven gas None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by Supplying correct quantity of combustion air Keeping the flue gas exhaust temperature very high Proper fuel preparation Adopting efficient-fuel firing technique & equipment Supplying correct quantity of combustion air Keeping the flue gas exhaust temperature very high Proper fuel preparation Adopting efficient-fuel firing technique & equipment ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS