Fuels and Combustion Yield of charcoal in high temperature carbonisation of wood is about __________ percent. 50 10 25 75 50 10 25 75 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Incomplete combustion Flue gases Ash content in the fuel Unburnt carbon in flue gases Incomplete combustion Flue gases Ash content in the fuel Unburnt carbon in flue gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal Ammonia yield is more Free carbon in tar is more Aliphatic tar is produced All of these Ammonia yield is more Free carbon in tar is more Aliphatic tar is produced All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have High ash content None of these High sulphur Low fusion point of ash High ash content None of these High sulphur Low fusion point of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion Either A or B, depends on other factors Remains same Decreases Increases Either A or B, depends on other factors Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gas which contributes maximum to the heating value of natural gas is H₂ CO CH₄ CO₂ H₂ CO CH₄ CO₂ ANSWER DOWNLOAD EXAMIANS APP