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. May increase or decrease depending on the type of fuel Remains same Increases Decreases May increase or decrease depending on the type of fuel Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stoichiometric combustion of 12 kg of carbon requires __________ of oxygen. 22.4 Nm³ All of these 32 kg 1kg mole 22.4 Nm³ All of these 32 kg 1kg mole ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly reactive coke have lower Porosity Both B and C Critical air blast (CAB) value Coke reactivity index (CRI) Porosity Both B and C Critical air blast (CAB) value Coke reactivity index (CRI) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion One kg of carbon for theoretically complete combustion requires __________ kg of air. 0.5 11.5 12 23 0.5 11.5 12 23 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wind loss' resulting from unscientific storage of coal may be the order of about __________ percent. 2.5 10.5 14.5 7.5 2.5 10.5 14.5 7.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Brittleness of steel made by using it None of these Decrease in its calorific value Increase in its strength Brittleness of steel made by using it None of these Decrease in its calorific value Increase in its strength ANSWER DOWNLOAD EXAMIANS APP
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