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 Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Oxygen Carbon Sulphur Hydrogen Oxygen Carbon Sulphur Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pick out the wrong statement. Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing None of these Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air as compared to that in pure oxygen is Much lower Either lower or higher, depends on the type of fuel Much higher Same Much lower Either lower or higher, depends on the type of fuel Much higher Same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking coals are invariably Bituminous coals Lignites Anthracites Semi-anthracites Bituminous coals Lignites Anthracites Semi-anthracites ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest heat of combustion? CH₄ CO H₂ C₂H₆ CH₄ CO H₂ C₂H₆ ANSWER DOWNLOAD EXAMIANS APP