Fuels and Combustion High rate of heating of coke ovens None of these May damage its walls due to abrupt excessive swelling of coal Produces larger size coke Increases the time of carbonisation None of these May damage its walls due to abrupt excessive swelling of coal Produces larger size coke Increases the time of carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame speed? C₂H₆ CH₄ CO H₂ C₂H₆ CH₄ CO H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficiency of the combustion of a fuel is judged by the __________ the flue gas. Temperature of Colour of %of CO₂ in % of O₂in Temperature of Colour of %of CO₂ in % of O₂in ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame velocity? CH₄ H₂ C₂H₆ CO CH₄ H₂ C₂H₆ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of hydrogen in coke oven gas may be around 25 45 10 60 25 45 10 60 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its Yield of carbonised products Caking index Calorific value Friability & oxygen content Yield of carbonised products Caking index Calorific value Friability & oxygen content ANSWER DOWNLOAD EXAMIANS APP