Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 550 to 650 350 to 450 700 to 850 100 to 150 550 to 650 350 to 450 700 to 850 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal that softens and fuses on heating is Carbonised Non-caking Classified Caking Carbonised Non-caking Classified Caking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack (chimney) height in a big thermal power plant is dictated by the None of these Draught to be created Limitation of constructional facilities Pollution control aspect None of these Draught to be created Limitation of constructional facilities Pollution control aspect ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen percentage (by weight) in atmospheric air is 23 19 29 21 23 19 29 21 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas burns with an yellowish flame, because of the presence of CH₄ NH₃ CO₂ H₂ CH₄ NH₃ CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr. 10 2.5 0.5 20 10 2.5 0.5 20 ANSWER DOWNLOAD EXAMIANS APP