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 High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases Oxygen content progressively decreases High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to All of these Incomplete combustion Dry gas/stack gas loss Moisture loss All of these Incomplete combustion Dry gas/stack gas loss Moisture loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Largest constituent of coke oven gas is N₂ H₂ CO₂ CH₄ N₂ H₂ CO₂ CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Carbon Content by weight in air dried wood may be about __________ percent. 10 80 50 25 10 80 50 25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Caking index Both B and C Mineral matter content Ash content Caking index Both B and C Mineral matter content Ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ? Bag filter Multicyclones Hydrocyclones Wet scrubber Bag filter Multicyclones Hydrocyclones Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
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