Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal All of these Free carbon in tar is more Ammonia yield is more Aliphatic tar is produced All of these Free carbon in tar is more Ammonia yield is more Aliphatic tar is produced ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent. 20 96 40 4 20 96 40 4 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing high amount of volatile matter will have Low ignition temperature High fusion point of its ash Very little ash content Low adiabatic flame temperature Low ignition temperature High fusion point of its ash Very little ash content Low adiabatic flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier. Moving Fluidised Entrained Fixed Moving Fluidised Entrained Fixed ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C. 900-1000 1700-1800 400-500 1400-1500 900-1000 1700-1800 400-500 1400-1500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is No possibility of obtaining complete combustion at high temperature Neither A nor B Both A & B Always loss of heat from the flame No possibility of obtaining complete combustion at high temperature Neither A nor B Both A & B Always loss of heat from the flame ANSWER DOWNLOAD EXAMIANS APP
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