Fuels and Combustion Which of the following has the least calorific value (kcal/Nm³) ? Blast furnace gas Natural gas Coke oven gas Sewage gas Blast furnace gas Natural gas Coke oven gas Sewage gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high __________ content, would ignite most easily. Ash Fixed carbon Volatile matter Oxygen Ash Fixed carbon Volatile matter Oxygen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not applicable to fluidised bed combustion of coal? Less heat transfer surface area is required in boilers It can not burn low grade coal None of these It achieves higher fuel combustion efficiency Less heat transfer surface area is required in boilers It can not burn low grade coal None of these It achieves higher fuel combustion efficiency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the heaviest fuel gas out of the following? Blast furnace gas Carburetted water gas Coke oven gas Water gas Blast furnace gas Carburetted water gas Coke oven gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coking of coal, the ash content (percentage) Increases Decreases None of these Remains constant Increases Decreases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 10 0 12.5 20 10 0 12.5 20 ANSWER DOWNLOAD EXAMIANS APP
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