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 0 20 10 12.5 0 20 10 12.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Moisture content Ash content Volatile matter Colour Moisture content Ash content Volatile matter Colour ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a manufactured fuel ? Bagasse Furnace oil Kerosene Semi-coke Bagasse Furnace oil Kerosene Semi-coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For maximum discharge through a chimney, its height should be More than 105.7 metres 200 meters Infinitely long Equal to the height of the hot gas column producing draught More than 105.7 metres 200 meters Infinitely long Equal to the height of the hot gas column producing draught ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content will necessarily have lower Calorific value Caking index Ignition temperature Ash fusion temperature Calorific value Caking index Ignition temperature Ash fusion temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of natural gas is H₂ C₃H₈ CH₄ (upto 90%) C₂H₆ H₂ C₃H₈ CH₄ (upto 90%) C₂H₆ ANSWER DOWNLOAD EXAMIANS APP