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