Fuels and Combustion Producer gas containing least amount of tar is produced by the Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) Partial combustion of coal High pressure gasification of coal (e.g. in Lurgi gasifier) Partial combustion of large size (< 50 mm) coke Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) Partial combustion of coal High pressure gasification of coal (e.g. in Lurgi gasifier) Partial combustion of large size (< 50 mm) coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures May increase or decrease ; depends on the quantity of products of combustion Increase Decrease Remain unchanged May increase or decrease ; depends on the quantity of products of combustion Increase Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel consumption in coke making can be reduced by Stamped charging of coal All of these Dry quenching of coke Preheating, blending and de-ashing the coal Stamped charging of coal All of these Dry quenching of coke Preheating, blending and de-ashing the coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Ignites more easily than bituminous coal Contains more volatile matter than bituminous coal Is essentially a coking coal Burns with short, bluish, yellow-tipped flame producing very little smoke Ignites more easily than bituminous coal Contains more volatile matter 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 Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. 35 to 45 75 15 to 25 55 to 75 35 to 45 75 15 to 25 55 to 75 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter can be used to determine the __________ of the coal. Calorific value Sulphur content Neither A nor B Both A & B Calorific value Sulphur content Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
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