Fuels and Combustion For maximum discharge through a chimney, its height should be 200 meters Infinitely long More than 105.7 metres Equal to the height of the hot gas column producing draught 200 meters Infinitely long More than 105.7 metres Equal to the height of the hot gas column producing draught ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the highest net calorific value (kcal/Nm³)? Natural gas Carburetted water gas Producer gas Liquified petroleum gas Natural gas Carburetted water gas Producer gas Liquified petroleum gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increases in carbonisation temperature Coke even gas yield increases Methane percentage in the coke oven gas increases Tar yield increases Hydrogen percentage in the coke oven gas decreases Coke even gas yield increases Methane percentage in the coke oven gas increases Tar yield increases Hydrogen percentage in the coke oven gas decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product fuel? Refinery gas Blast furnace gas Petrol Pitch Refinery gas Blast furnace gas Petrol Pitch ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air requirement for burning 1 Nm³ of CO to CO₂ may be around __________ Nm³. 0.87 1.75 2.4 11.4 0.87 1.75 2.4 11.4 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has Higher reactivity Lower strength All of these Lower bulk density Higher reactivity Lower strength All of these Lower bulk density ANSWER DOWNLOAD EXAMIANS APP