Fuels and Combustion The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always Unpredicatable 1 > 1 Unpredicatable 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.) GCV at constant volume NCV at constant pressure NCV at constant volume GCV at constant pressure GCV at constant volume NCV at constant pressure NCV at constant volume GCV at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value Neither A nor B Both A and B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Contains more volatile matter than bituminous coal Is essentially a coking coal Ignites more easily than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Contains more volatile matter than bituminous coal Is essentially a coking coal Ignites more easily than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain CO H₂O CO₂ Both B & C CO H₂O CO₂ Both B & C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the All of these Increase in gas pressure Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air All of these Increase in gas pressure Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air ANSWER DOWNLOAD EXAMIANS APP
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