Fuels and Combustion Coals used for the generation of producer gas should have Low fusion point of ash High caking index High volatile matter content Very low ash content (8-10%) Low fusion point of ash High caking index High volatile matter content Very low ash content (8-10%) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high volatile matter content will Have a very high calorific value Give less yield of tar and gas on carbonisation None of these Burn with a small non-smoky flame Have a very high calorific value Give less yield of tar and gas on carbonisation None of these Burn with a small non-smoky flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of wood gas is about __________ kcal/Nm³. 1500 3300 8500 5400 1500 3300 8500 5400 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with Less than theoretically required amount of air More than theoretically required amount of air Theoretically required amount of oxygen Theoretically required amount of air Less than theoretically required amount of air More than theoretically required amount of air Theoretically required amount of oxygen Theoretically required amount of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The weathering index of a coal Is a measure of its caking tendency Gives an idea of the fusion temperature of ash Is a measure of its size stability, when stored & exposed to weather Is related to its calorific value Is a measure of its caking tendency Gives an idea of the fusion temperature of ash Is a measure of its size stability, when stored & exposed to weather Is related to its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ionisation potential applied across the electrodes of electrostatic tar precipitator is around 230 V DC 60 KV AC 230 V AC 60 KV DC 230 V DC 60 KV AC 230 V AC 60 KV DC ANSWER DOWNLOAD EXAMIANS APP