Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in 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 Shallow and small piles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about____°C. 105 145 70 85 105 145 70 85 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lignite is A coking coal Can be used for gasification and steam generation A high rank coal A black banded coal which burns with a non-smoky yellowish flame A coking coal Can be used for gasification and steam generation A high rank coal A black banded coal which burns with a non-smoky yellowish flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value? Sub-bituminous coal Anthracite Lignite Peat Sub-bituminous coal Anthracite Lignite Peat ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a lean fuel gas? Blast furnace gas LPG Coke oven gas Natural gas Blast furnace gas LPG Coke oven gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, oxygen is absorbed by Potassium hydroxide Cuprous chloride None of these Alkaline pyragllol solution Potassium hydroxide Cuprous chloride None of these Alkaline pyragllol solution ANSWER DOWNLOAD EXAMIANS APP
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