Fuels and Combustion The most matured coal out of the following is Lignite Semi-anthracite Sub-bituminous Bituminous Lignite Semi-anthracite Sub-bituminous Bituminous ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be More Data insufficient; can't be predicted Less Same More Data insufficient; can't be predicted Less Same 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 Complete combustion of fuel has taken place 21% excess oxygen has been used for combustion 21% excess air has been used for combustion No excess air has been used for combustion Complete combustion of fuel has taken place 21% excess oxygen has been used for combustion 21% excess air has been used for combustion No excess air has been used for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing high amount of volatile matter will have Low ignition temperature Low adiabatic flame temperature High fusion point of its ash Very little ash content Low ignition temperature Low adiabatic flame temperature High fusion point of its ash Very little ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of natural gas is CH₄ (upto 90%) C₃H₈ C₂H₆ H₂ CH₄ (upto 90%) C₃H₈ C₂H₆ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have High ash High volatile matter Low ash High calorific value High ash High volatile matter Low ash High calorific value ANSWER DOWNLOAD EXAMIANS APP