Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Tar yield is more Ignition temperature of coke produced is less Aromatic content of tar produced is more Gas yield is less Tar yield is more Ignition temperature of coke produced is less Aromatic content of tar produced is more Gas yield is less ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces Higher amount of both methane and hydrogen Higher amount of methane Lower amount of hydrogen Both A & B Higher amount of both methane and hydrogen Higher amount of methane Lower amount of hydrogen Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Power alcohol as compared to straight run gasoline has lower Octane number Specific gravity Calorific value Viscosity Octane number Specific gravity Calorific value Viscosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Function of secondary air in pulverised coal firing is to Reduce primary air requirement Dry the coal Transport the coal to the burner Ensure efficient burning of coal around the burner Reduce primary air requirement Dry the coal Transport the coal to the burner Ensure efficient burning of coal around the burner ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 1-2 22-26 10-15 30-33 1-2 22-26 10-15 30-33 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with More than theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air Theoretically required amount of air More than theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air Theoretically required amount of air ANSWER DOWNLOAD EXAMIANS APP