Fuels and Combustion The maximum adiabatic flame temperature in air as compared to that in pure oxygen is Either lower or higher, depends on the type of fuel Same Much lower Much higher Either lower or higher, depends on the type of fuel Same Much lower Much higher ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent. 24 12 18 6 24 12 18 6 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is Always loss of heat from the flame Both A & B Neither A nor B No possibility of obtaining complete combustion at high temperature Always loss of heat from the flame Both A & B Neither A nor B No possibility of obtaining complete combustion at high temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke even gas produced by low temperature carbonisation of coal is about __________ Kcal/Nm³. 2500 4000 10000 6500 2500 4000 10000 6500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Moisture content Ash content Colour Volatile matter Moisture content Ash content Colour Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its Calorific value Caking index Yield of carbonised products Friability & oxygen content Calorific value Caking index Yield of carbonised products Friability & oxygen content ANSWER DOWNLOAD EXAMIANS APP
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