Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Causes heat loss of fuel by its partial combustion Shortens the flame Both A & B Lengthens the flame Causes heat loss of fuel by its partial combustion Shortens the flame Both A & B Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Width of the coke oven towards coke side is slightly more than that on pusher side to None of these Facilitate uniform heating of the oven Facilitate easy discharging of coke as it swells during carbonisation Increase the output of the coke None of these Facilitate uniform heating of the oven Facilitate easy discharging of coke as it swells during carbonisation Increase the output of the coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen percentage (by weight) in atmospheric air is 19 29 23 21 19 29 23 21 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gasification reaction represented by, C + H₂O = CO + H₂, is Exothermic Endothermic Catalytic Autocatalytic Exothermic Endothermic Catalytic Autocatalytic ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value? Peat Lignite Anthracite Sub-bituminous coal Peat Lignite Anthracite Sub-bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature decreases progressively from anthracite to lignite, because Moisture content increases Ash content increases Carbon content decreases Volatile matter content increases Moisture content increases Ash content increases Carbon content decreases Volatile matter content increases ANSWER DOWNLOAD EXAMIANS APP
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