Fuels and Combustion Carbon Content by weight in air dried wood may be about __________ percent. 80 10 25 50 80 10 25 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. 35 to 45 15 to 25 55 to 75 75 35 to 45 15 to 25 55 to 75 75 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature decreases progressively from anthracite to lignite, because Carbon content decreases Ash content increases Moisture content increases Volatile matter content increases Carbon content decreases Ash content increases Moisture content increases Volatile matter content increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Aromatic content of tar produced is more Ignition temperature of coke produced is less Gas yield is less Tar yield is more Aromatic content of tar produced is more Ignition temperature of coke produced is less Gas yield is less Tar yield is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the C/H ratio of the fuel increases, the amount of CO₂ formed on combustion __________ for the same percentage of excess air. Increases Decreases Remains same May increase or decrease depending on the type of fuel Increases Decreases Remains same May increase or decrease depending on the type of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. More than Either more or less; depends on the type of fuel Equal to Less than More than Either more or less; depends on the type of fuel Equal to Less than ANSWER DOWNLOAD EXAMIANS APP