Fuels and Combustion Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg. 4000 8000 15000 1000 4000 8000 15000 1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value (kcal/Nm³) ? Carburetted water gas Natural gas LPG Gobar gas Carburetted water gas Natural gas LPG Gobar gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) Washing lump coal (> 80 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) Washing lump coal (> 80 mm size) All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces Soft coke No by-products Very low calorific value coke oven gas Metallurgical coke Soft coke No by-products Very low calorific value coke oven gas Metallurgical coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest heat of combustion? C₂H₆ CO CH₄ H₂ C₂H₆ CO CH₄ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Fine sizes without the presence of any lump Shallow and small piles Closed space without any ventilation facility Large heaps with small surface to volume ratio Fine sizes without the presence of any lump Shallow and small piles Closed space without any ventilation facility Large heaps with small surface to volume ratio ANSWER DOWNLOAD EXAMIANS APP
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