Fuels and Combustion Which of the following gaseous fuels has the lowest calorific value? Blast furnace gas Gobar gas Refinery gas Converter gas Blast furnace gas Gobar gas Refinery gas Converter 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. May increase or decrease depending on the type of fuel Decreases Remains same Increases May increase or decrease depending on the type of fuel Decreases Remains same 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 Bituminous coal containing 20% ash and 25% volatile matter Coke breeze containing 25% ash and 2% volatile matter Anthracite containing 10% volatile matter and 8% ash Semi-bituminous coal containing 25% ash and 20% volatile matter Bituminous coal containing 20% ash and 25% volatile matter Coke breeze containing 25% ash and 2% volatile matter Anthracite containing 10% volatile matter and 8% ash 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 None of these Burn the lumpy coal Completely burn the volatile matter Pneumatically convey the pulverised coal None of these Burn the lumpy coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion KOH solution used in orsat apparatus absorbs SO₂ CO₂ Neither A nor B Both A & B SO₂ CO₂ Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS