Fuels and Combustion Which of the following is the most reactive (as regards the formation of CO + H₂ from C + H₂O) ? Sub-bituminous coal Low temperature coke Anthracite coal Blast furnace coke Sub-bituminous coal Low temperature coke Anthracite coal Blast furnace coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Hydrogen Oxygen Carbon Sulphur Hydrogen Oxygen Carbon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For maximum discharge through a chimney, its height should be Infinitely long Equal to the height of the hot gas column producing draught More than 105.7 metres 200 meters Infinitely long Equal to the height of the hot gas column producing draught More than 105.7 metres 200 meters ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Ignites more easily than bituminous coal Contains more volatile matter than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Is essentially a coking coal Ignites more easily than bituminous coal Contains more volatile matter than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Is essentially a coking coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces Very low calorific value coke oven gas Soft coke No by-products Metallurgical coke Very low calorific value coke oven gas Soft coke No by-products Metallurgical coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke compared to the coal from which it has been made, contains All of these Greater percentage of ash Less volatile matter More carbon All of these Greater percentage of ash Less volatile matter More carbon ANSWER DOWNLOAD EXAMIANS APP
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