Fuels and Combustion Which of the following is called "blue gas"? Coke oven gas Natural gas Producer gas Water gas Coke oven gas Natural gas Producer gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During the carbonisation of coal Evolution of H₂ and formation of methane and aromatics occur at > 700°C All tar is evolved at < 600°C Hard semi-coke starts shrinking at 600°C All of these Evolution of H₂ and formation of methane and aromatics occur at > 700°C All tar is evolved at < 600°C Hard semi-coke starts shrinking at 600°C All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal is accelerated by the Storage in compressed piles Absence of porous or friable particles All of these Storage in large heaps Storage in compressed piles Absence of porous or friable particles All of these Storage in large heaps ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Critical Air Blast (CAB) value of coke is a direct measure of its None of these Strength Hardness Reactivity None of these Strength Hardness Reactivity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the equilibrium moisture content of the coal increases, its Calorific value increases Swelling number increases Bulk density decreases Swelling number decreases Calorific value increases Swelling number increases Bulk density decreases Swelling number decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the lowest calorific value? Gobar gas Converter gas Blast furnace gas Refinery gas Gobar gas Converter gas Blast furnace gas Refinery gas ANSWER DOWNLOAD EXAMIANS APP
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