Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by 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 Supplying correct quantity of combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the C/H ratio of the fuel increases, the amount of CO₂ formed on combustion __________ for the same percentage of excess air. Remains same Decreases May increase or decrease depending on the type of fuel Increases Remains same Decreases May increase or decrease depending on the type of fuel Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is the best for burning on chain grate stoker? Caking coal Coking coal Non-caking coal Pulverised coal Caking coal Coking coal Non-caking coal Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ has the widest inflammability limit (explosion limit) of all the gases. Carbon monoxide Methane Acetylene Hydrogen Carbon monoxide Methane Acetylene Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Catalyst used in Fischer-Tropsch process is Zinc oxide Alumina Thorium oxide Nickel Zinc oxide Alumina Thorium oxide Nickel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction? CO + H₂O ⟷ CO₂ + H₂ C + 2H₂O ⟷ CO₂ + 2H₂ 2CO ⟷ C + CO₂ C + H₂O ⟷ CO + H₂ CO + H₂O ⟷ CO₂ + H₂ C + 2H₂O ⟷ CO₂ + 2H₂ 2CO ⟷ C + CO₂ C + H₂O ⟷ CO + H₂ ANSWER DOWNLOAD EXAMIANS APP
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