Fuels and Combustion A fuel with high heat release rate will Have high adiabatic flame temperature None of these Have high calorific value Require smaller combustion chamber Have high adiabatic flame temperature None of these Have high calorific value Require smaller combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During the carbonisation of coal All tar is evolved at < 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C Hard semi-coke starts shrinking at 600°C All of these All tar is evolved at < 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C Hard semi-coke starts shrinking at 600°C All of these 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 High oxygen in flue gas None of these Incomplete combustion Complete combustion High oxygen in flue gas None of these Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The internal energy of the combustion products is __________ compared to that of reactants. More or less ; (depends on the state of fuel.) Equal More Less More or less ; (depends on the state of fuel.) Equal More Less ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Lurgi coal gasifier, Entrainment of solids is higher Coking coals cannot be used Larger quantity of coal can be processed Low carbon conversion efficiency is achieved Entrainment of solids is higher Coking coals cannot be used Larger quantity of coal can be processed Low carbon conversion efficiency is achieved ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Washing lump coal (> 80 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) Washing lump coal (> 80 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) ANSWER DOWNLOAD EXAMIANS APP
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