Fuels and Combustion Stoichiometric combustion of 12 kg of carbon requires __________ of oxygen. 32 kg 22.4 Nm³ 1kg mole All of these 32 kg 22.4 Nm³ 1kg mole All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Both A & B Calorific value Neither A nor B Caking power Both A & B Calorific value Neither A nor B Caking power ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 12.5 20 0 10 12.5 20 0 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Burns with short, bluish, yellow-tipped flame producing very little smoke Contains more volatile matter than bituminous coal Ignites more easily than bituminous coal Is essentially a coking coal Burns with short, bluish, yellow-tipped flame producing very little smoke Contains more volatile matter than bituminous coal Ignites more easily than bituminous coal Is essentially a coking coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the highest net calorific value (kcal/Nm³)? Carburetted water gas Natural gas Producer gas Liquified petroleum gas Carburetted water gas Natural gas Producer gas Liquified petroleum gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wobbe index' is a characteristic of Fat coals Solid fuels Gaseous fuels Liquid fuels Fat coals Solid fuels Gaseous fuels Liquid fuels ANSWER DOWNLOAD EXAMIANS APP