Fuels and Combustion Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent. 18 6 12 24 18 6 12 24 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Increase in gas pressure Increase in temperature (i.e. preheating) All of these Use of pure oxygen for combustion instead of air Increase in gas pressure Increase in temperature (i.e. preheating) All of these Use of pure oxygen for combustion instead of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Burns with short, bluish, yellow-tipped flame producing very little smoke Ignites more easily than bituminous coal Contains more volatile matter than bituminous coal Is essentially a coking coal Burns with short, bluish, yellow-tipped flame producing very little smoke Ignites more easily than bituminous coal Contains more volatile matter than bituminous coal Is essentially a coking coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in Long flame Heat losses Condensation of water vapour from the fuel gas None of these Long flame Heat losses Condensation of water vapour from the fuel gas None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Largest constituent of coke oven gas is N₂ CO₂ CH₄ H₂ N₂ CO₂ CH₄ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing CO O₂ CO₂ H₂O CO O₂ CO₂ H₂O ANSWER DOWNLOAD EXAMIANS APP