Fuels and Combustion For long flame and easy ignition, the coal used should have Low ash High volatile matter High calorific value High ash Low ash High volatile matter High calorific value High ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value (kcal/Nm³) ? Gobar gas Natural gas Carburetted water gas LPG Gobar gas Natural gas Carburetted water gas LPG ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross and net calorific value of a fuel will be the same Under no circumstances If its hydrogen/hydrogen compound content is zero If its ash content is zero Ifits carbon content is very low Under no circumstances If its hydrogen/hydrogen compound content is zero If its ash content is zero Ifits carbon content is very low ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Net calorific value is the gross calorific value less the __________ heat of water in the product of combustion when cooled to 15°C. None of these Latent Sensible and latent Sensible None of these Latent Sensible and latent Sensible 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 No excess air has been used for combustion 21% excess air has been used for combustion 21% excess oxygen has been used for combustion Complete combustion of fuel has taken place No excess air has been used for combustion 21% excess air has been used for combustion 21% excess oxygen has been used for combustion Complete combustion of fuel has taken place ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The internal energy of the combustion products is __________ compared to that of reactants. Less More or less ; (depends on the state of fuel.) More Equal Less More or less ; (depends on the state of fuel.) More Equal ANSWER DOWNLOAD EXAMIANS APP