Fuels and Combustion Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³. 1800 10200 5400 3200 1800 10200 5400 3200 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of dry wood may be around __________ Kcal/kg. 5000 500 5 50 5000 500 5 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas from the heating chamber of byproduct coke ovens is removed by Steam ejector Induced draft fan Natural draft Forced draft fan Steam ejector Induced draft fan Natural draft Forced draft fan ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature decreases progressively from anthracite to lignite, because Volatile matter content increases Moisture content increases Ash content increases Carbon content decreases Volatile matter content increases Moisture content increases Ash content increases Carbon content decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. Iron silicate Iron sulphate Lime and magnesia All of these Iron silicate Iron sulphate Lime and magnesia All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Facilitates combustion with lower excess air Provides higher thermal efficiency & flame temperature Provides better control of furnace temperature All of these Facilitates combustion with lower excess air Provides higher thermal efficiency & flame temperature Provides better control of furnace temperature All of these ANSWER DOWNLOAD EXAMIANS APP
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