Fuels and Combustion The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always Unpredicatable > 1 1 Unpredicatable > 1 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of combustion air is done to Increase the calorific value of the fuel Increase the adiabatic flame temperature Complete the combustion of fuel Reduce its requirement for effecting the complete combustion Increase the calorific value of the fuel Increase the adiabatic flame temperature Complete the combustion of fuel Reduce its requirement for effecting the complete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzol is used Neither A nor B Both A & B For producing benzene, tolune & xylene by its distillation As a motor fuel blend Neither A nor B Both A & B For producing benzene, tolune & xylene by its distillation As a motor fuel blend ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is a better fuel than blast furnace gas, because of its higher Heat release rate (thus requiring smaller combustion chamber) Adiabatic flame temperature All of these Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Heat release rate (thus requiring smaller combustion chamber) Adiabatic flame temperature All of these Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces Metallurgical coke No by-products Very low calorific value coke oven gas Soft coke Metallurgical coke No by-products Very low calorific value coke oven gas Soft coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces Lower amount of hydrogen Higher amount of methane Both A & B Higher amount of both methane and hydrogen Lower amount of hydrogen Higher amount of methane Both A & B Higher amount of both methane and hydrogen ANSWER DOWNLOAD EXAMIANS APP
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