Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Combustion of fire slacks on the grates Its pulverisation (as it requires more power) None of these Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates Its pulverisation (as it requires more power) None of these Handling (e.g. when emptying wagons) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ? Bog iron (i.e., moist ferric hydroxide) Basalt Silica gel Diatomaceous earth Bog iron (i.e., moist ferric hydroxide) Basalt Silica gel Diatomaceous earth ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of Tar Benzol None of these Ammonia Tar Benzol None of these Ammonia ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel with high heat release rate will Have high calorific value Require smaller combustion chamber Have high adiabatic flame temperature None of these Have high calorific value Require smaller combustion chamber Have high adiabatic flame temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest gross calorific value? Oil refinery gas Coke oven gas Blast furnace gas Carburetted water gas Oil refinery gas Coke oven gas Blast furnace gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Is essentially a coking coal Contains more volatile matter than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Ignites more easily than bituminous coal Is essentially a coking coal Contains more volatile matter than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Ignites more easily than bituminous coal ANSWER DOWNLOAD EXAMIANS APP