Fuels and Combustion Which of the following accentuates clinker-ing trouble on furnace grate burning coal? Thick fire bed and preheated primary air Low forced draught and fuel bed temperature All of these Low reactivity of carbonised residue containing high proportions of iron & sulphur Thick fire bed and preheated primary air Low forced draught and fuel bed temperature All of these Low reactivity of carbonised residue containing high proportions of iron & sulphur ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature decreases progressively from anthracite to lignite, because Carbon content decreases Volatile matter content increases Moisture content increases Ash content increases Carbon content decreases Volatile matter content increases Moisture content increases Ash content increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of producer gas is around __________ kcal/Nm³ 1300 500 4500 9000 1300 500 4500 9000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction? C + H₂O ⟷ CO + H₂ 2CO ⟷ C + CO₂ CO + H₂O ⟷ CO₂ + H₂ C + 2H₂O ⟷ CO₂ + 2H₂ C + H₂O ⟷ CO + H₂ 2CO ⟷ C + CO₂ CO + H₂O ⟷ CO₂ + H₂ C + 2H₂O ⟷ CO₂ + 2H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Traces of tar fog present in the coke oven gas is removed by Washing with monoethanolamine Wet packed scrubber Electrostatic precipitator Cyclone separator Washing with monoethanolamine Wet packed scrubber Electrostatic precipitator Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal does not reduce its Heating value S & P content None of these Fusion point of ash Heating value S & P content None of these Fusion point of ash ANSWER DOWNLOAD EXAMIANS APP
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