Fuels and Combustion Which of the following is not applicable to fluidised bed combustion of coal? It achieves higher fuel combustion efficiency Less heat transfer surface area is required in boilers None of these It can not burn low grade coal It achieves higher fuel combustion efficiency Less heat transfer surface area is required in boilers None of these It can not burn low grade coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases is heavier than air? Water gas Natural gas Coke oven gas Blast furnace gas Water gas Natural gas Coke oven gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the Use of thick fire bed Use of preheated primary air Low fusion point of ash (< 1100° C) All of these Use of thick fire bed Use of preheated primary air Low fusion point of ash (< 1100° C) All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is coking? Fussain Neither A nor B Vitrain Both A & B Fussain Neither A nor B Vitrain Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum percentage of CO₂ in a flue gas (from a carbonaceous fuel) can be 29 77 79 21 29 77 79 21 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most poisonous gas? Producer gas Blast furnace gas Coke oven gas L.D. converter gas Producer gas Blast furnace gas Coke oven gas L.D. converter gas ANSWER DOWNLOAD EXAMIANS APP
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