Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 700 to 850 350 to 450 550 to 650 100 to 150 700 to 850 350 to 450 550 to 650 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If CO₂ is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as O₂ SO₂ CO N₂ O₂ SO₂ CO N₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ionisation potential applied across the electrodes of electrostatic tar precipitator is around 60 KV DC 230 V DC 230 V AC 60 KV AC 60 KV DC 230 V DC 230 V AC 60 KV AC 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 None of these Incomplete combustion High oxygen in flue gas Complete combustion None of these Incomplete combustion High oxygen in flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The average molecular weight of a flue gas having the composition by volume as CO₂ = 25%, O₂ = 25%, N₂ = 50% will be 42.9 27.6 47.3 23 42.9 27.6 47.3 23 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Free impurities Inherent mineral matter Volatile matter Ash Free impurities Inherent mineral matter Volatile matter Ash ANSWER DOWNLOAD EXAMIANS APP