Fuels and Combustion A coal having high volatile matter content will Give less yield of tar and gas on carbonisation Burn with a small non-smoky flame None of these Have a very high calorific value Give less yield of tar and gas on carbonisation Burn with a small non-smoky flame None of these Have a very high calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A carbonaceous fuel (containing no H₂ or hydrocarbons) is burnt and the resulting flue gas contains 21% CO₂. It means that 21% excess air has been used for combustion 21% excess oxygen has been used for combustion No excess air has been used for combustion Complete combustion of fuel has taken place 21% excess air has been used for combustion 21% excess oxygen has been used for combustion No excess air has been used for combustion Complete combustion of fuel has taken place ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content will necessarily have lower Caking index Ignition temperature Calorific value Ash fusion temperature Caking index Ignition temperature Calorific value Ash fusion temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion KOH solution used in orsat apparatus absorbs Neither A nor B Both A & B CO₂ SO₂ Neither A nor B Both A & B CO₂ SO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke even gas produced by low temperature carbonisation of coal is about __________ Kcal/Nm³. 10000 4000 2500 6500 10000 4000 2500 6500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The weathering index of a coal Gives an idea of the fusion temperature of ash Is a measure of its caking tendency Is a measure of its size stability, when stored & exposed to weather Is related to its calorific value Gives an idea of the fusion temperature of ash Is a measure of its caking tendency Is a measure of its size stability, when stored & exposed to weather Is related to its calorific value ANSWER DOWNLOAD EXAMIANS APP