Fuels and Combustion High rate of heating of coke ovens Produces larger size coke Increases the time of carbonisation May damage its walls due to abrupt excessive swelling of coal None of these Produces larger size coke Increases the time of carbonisation May damage its walls due to abrupt excessive swelling of coal None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air required to burn 1 kg of carbon completely may be around __________ kg. 2 20 38 11 2 20 38 11 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases is heavier than air? Natural gas Water gas Coke oven gas Blast furnace gas Natural gas Water gas Coke oven gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of L.D. converter gas is about __________ Kcal/Nm³ . 1800 10000 800 4500 1800 10000 800 4500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame velocity? H₂ CH₄ CO C₂H₆ H₂ CH₄ CO C₂H₆ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the equilibrium moisture content of the coal increases, its Swelling number increases Bulk density decreases Calorific value increases Swelling number decreases Swelling number increases Bulk density decreases Calorific value increases Swelling number decreases ANSWER DOWNLOAD EXAMIANS APP
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