Fuels and Combustion Coke compared to the coal from which it has been made, contains More carbon All of these Less volatile matter Greater percentage of ash More carbon All of these Less volatile matter Greater percentage of ash 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 55 to 75 75 15 to 25 35 to 45 55 to 75 75 15 to 25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the Complete combustion Incomplete combustion None of these High oxygen in flue gas Complete combustion Incomplete combustion None of these High oxygen in flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Flue gases Incomplete combustion Unburnt carbon in flue gases Ash content in the fuel Flue gases Incomplete combustion Unburnt carbon in flue gases Ash content in the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always < 1 > 1 1 Unpredictable < 1 > 1 1 Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Electrical resistivity Porosity None of these Density Electrical resistivity Porosity None of these Density ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS