Fuels and Combustion Net calorific value is the gross calorific value less the __________ heat of water in the product of combustion when cooled to 15°C. Sensible and latent Latent Sensible None of these Sensible and latent Latent Sensible None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Traces of tar fog present in the coke oven gas is removed by Wet packed scrubber Cyclone separator Washing with monoethanolamine Electrostatic precipitator Wet packed scrubber Cyclone separator Washing with monoethanolamine Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in Heat losses Condensation of water vapour from the fuel gas Long flame None of these Heat losses Condensation of water vapour from the fuel gas Long flame None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion KOH solution used in orsat apparatus absorbs Neither A nor B CO₂ Both A & B SO₂ Neither A nor B CO₂ Both A & B SO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require least amount of secondary air for combustion? Bituminous coal containing 20% ash and 25% volatile matter Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter Bituminous coal containing 20% ash and 25% volatile matter Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the Calorific value of the coal increases Oxygen content progressively decreases Ratio of fixed carbon to volatile matter increases High rank coals have higher amount of volatile matter Calorific value of the coal increases Oxygen content progressively decreases Ratio of fixed carbon to volatile matter increases High rank coals have higher amount of volatile matter ANSWER DOWNLOAD EXAMIANS APP
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