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 May increase or decrease depending on the type of fuel Decreases Increases Remains same May increase or decrease depending on the type of fuel Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be Same More Data insufficient; can't be predicted Less Same More Data insufficient; can't be predicted Less ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of pulverised coal in boiler furnace provides Better combustion Smokeless burning High calorific value Less erosion on furnace walls Better combustion Smokeless burning High calorific value Less erosion on furnace walls ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Increases its consumption in the furnace Does not affect its consumption in the furnace Reduces its consumption in the furnace Decreases its hardness and abrasion resistance Increases its consumption in the furnace Does not affect its consumption in the furnace Reduces its consumption in the furnace Decreases its hardness and abrasion resistance ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a primary fuel? Natural gas Blast furnace coke Gasoline Wood charcoal Natural gas Blast furnace coke Gasoline Wood charcoal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 15, 000 10, 000 5000 25, 000 15, 000 10, 000 5000 25, 000 ANSWER DOWNLOAD EXAMIANS APP
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