Fuels and Combustion Which of the following would require maximum amount of % excess air for complete combustion? Coke oven gas Furnace oil Lump coal (fixed on chain grate) Pulverised coal Coke oven gas Furnace oil Lump coal (fixed on chain grate) Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content will necessarily have lower Ignition temperature Calorific value Ash fusion temperature Caking index Ignition temperature Calorific value Ash fusion temperature Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal Is non-coking Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named Has a high volatile matter content and burns with a luminous smoky flame All of these Is non-coking Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named Has a high volatile matter content and burns with a luminous smoky flame All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of producer gas is around __________ kcal/Nm³ 4500 1300 500 9000 4500 1300 500 9000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The difference between total carbon and fixed carbon of coal will be minimum in case of Anthracite Lignite High temperature coke (V.M < 0.5%) Bituminous coal Anthracite Lignite High temperature coke (V.M < 0.5%) Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The fuel ratio of a coal is Helpful in estimation of its rank The ratio of its percentage of fixed carbon to that of volatile matter Both A and B Neither A nor B Helpful in estimation of its rank The ratio of its percentage of fixed carbon to that of volatile matter Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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