Fuels and Combustion Blast furnace gas compared to coke oven gas has Narrower limit of inflammability Lower ignition temperature Higher calorific value Lower theoretical flame temperature Narrower limit of inflammability Lower ignition temperature Higher calorific value Lower theoretical flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace coke is made from coal by Heating the coal in an oven in presence of air High temperature carbonisation Medium temperature carbonisation Low temperature carbonisation Heating the coal in an oven in presence of air High temperature carbonisation Medium temperature carbonisation Low temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if It is stored in tall heaps Smaller fines are stored in large quantity All of these It contains large amount of volatile matter It is stored in tall heaps Smaller fines are stored in large quantity All of these It contains large amount of volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following can be made into briquettes without the use of a binder? Bituminous coal Anthracite coal None of these Lignite Bituminous coal Anthracite coal None of these Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain H₂O CO₂ Both B & C CO H₂O CO₂ Both B & C CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Contributes to its heating value Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Both A and B Contributes to its heating value Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Both A and B ANSWER DOWNLOAD EXAMIANS APP
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