Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by Cuprous chloride Alkaline pyrogallol solution None of these Potassium hydroxide Cuprous chloride Alkaline pyrogallol solution None of these Potassium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value (kcal/Nm³) ? LPG Gobar gas Carburetted water gas Natural gas LPG Gobar gas Carburetted water gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Contains more volatile matter than bituminous coal Ignites more easily than bituminous coal Is essentially a coking coal Burns with short, bluish, yellow-tipped flame producing very little smoke Contains more volatile matter than bituminous coal Ignites more easily than bituminous coal Is essentially a coking coal Burns with short, bluish, yellow-tipped flame producing very little smoke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. Gasification Carbonisation None of these Hydrogenation Gasification Carbonisation None of these Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of combustion air is done to Increase the adiabatic flame temperature Reduce its requirement for effecting the complete combustion Increase the calorific value of the fuel Complete the combustion of fuel Increase the adiabatic flame temperature Reduce its requirement for effecting the complete combustion Increase the calorific value of the fuel Complete the combustion of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Aromatic content of tar produced is more Ignition temperature of coke produced is less Gas yield is less Tar yield is more Aromatic content of tar produced is more Ignition temperature of coke produced is less Gas yield is less Tar yield is more ANSWER DOWNLOAD EXAMIANS APP
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