Fuels and Combustion Which of the following gaseous fuels has the lowest calorific value? Gobar gas Blast furnace gas Converter gas Refinery gas Gobar gas Blast furnace gas Converter gas Refinery gas ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following would require least amount of secondary air for combustion? Semi-bituminous coal containing 25% ash and 20% volatile matter Anthracite containing 10% volatile matter and 8% ash Bituminous coal containing 20% ash and 25% volatile matter Coke breeze containing 25% ash and 2% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter Anthracite containing 10% volatile matter and 8% ash Bituminous coal containing 20% ash and 25% volatile matter Coke breeze containing 25% ash and 2% volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The function of secondary combustion air is to Completely burn the volatile matter Pneumatically convey the pulverised coal Burn the lumpy coal None of these Completely burn the volatile matter Pneumatically convey the pulverised coal Burn the lumpy coal None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion KOH solution used in orsat apparatus absorbs CO₂ Neither A nor B SO₂ Both A & B CO₂ Neither A nor B SO₂ Both A & B ANSWER DOWNLOAD EXAMIANS APP
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