Fuels and Combustion Preheating of a gaseous fuel results in increased Ignition temperature Flame temperature Flame length Quantity of flue gas Ignition temperature Flame temperature Flame length Quantity of flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of carbon monoxide in blast furnace gas may be around 22 14 52 8 22 14 52 8 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 Shallow and small piles Large heaps with small surface to volume ratio Fine sizes without the presence of any lump Closed space without any ventilation facility Shallow and small piles Large heaps with small surface to volume ratio Fine sizes without the presence of any lump Closed space without any ventilation facility ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross heating value of coal is __________ the net heating value. Lower than None of these Same as Higher than Lower than None of these Same as Higher than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 25, 000 5000 10, 000 15, 000 25, 000 5000 10, 000 15, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 48 18 8 80 48 18 8 80 ANSWER DOWNLOAD EXAMIANS APP
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