Fuels and Combustion As time passes, the calorific value of stored coal Increases Decreases May increase or decrease (depends on the method of storage) Remains unaltered Increases Decreases May increase or decrease (depends on the method of storage) Remains unaltered ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The hottest part of the flame lies in its____zone. Non-luminous Yellow Luminous Unburnt gases Non-luminous Yellow Luminous Unburnt gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel consumption in coke making can be reduced by All of these Stamped charging of coal Preheating, blending and de-ashing the coal Dry quenching of coke All of these Stamped charging of coal Preheating, blending and de-ashing the coal Dry quenching of coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most reactive (as regards the formation of CO + H₂ from C + H₂O) ? Sub-bituminous coal Anthracite coal Low temperature coke Blast furnace coke Sub-bituminous coal Anthracite coal Low temperature coke Blast furnace coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Coalification Carbonisation Oxidation Gasification Coalification Carbonisation Oxidation Gasification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value is the highest out of the following for Producer gas Blast furnace gas Water gas Coke oven gas Producer gas Blast furnace gas Water gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
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