Fuels and Combustion Which of the following will generate maximum volume of product of complete combustion (Nm³/Nm³ of fuel) ? Carburetted water gas Natural gas Blast furnace gas Producers Carburetted water gas Natural gas Blast furnace gas Producers ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always < 1 > 1 Unpredictable 1 < 1 > 1 Unpredictable 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in Prevention of clinker formation in the oven Controlling the dust nuisance while charging the coal Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) All of these Prevention of clinker formation in the oven Controlling the dust nuisance while charging the coal Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal May increase or decrease (depends on the method of storage) Remains unaltered Increases Decreases May increase or decrease (depends on the method of storage) Remains unaltered Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas burns with a bluish flame, because of the presence of S CO₂ CO CH₄ S CO₂ CO CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke compared to the coal from which it has been made, contains All of these More carbon Greater percentage of ash Less volatile matter All of these More carbon Greater percentage of ash Less volatile matter ANSWER DOWNLOAD EXAMIANS APP
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