Fuels and Combustion Anthracite coal Contains more volatile matter than bituminous coal Is essentially a coking coal Ignites more easily than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Contains more volatile matter than bituminous coal Is essentially a coking coal Ignites more easily than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures Remain unchanged Increase Decrease May increase or decrease ; depends on the quantity of products of combustion Remain unchanged Increase Decrease May increase or decrease ; depends on the quantity of products of combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Width of the coke oven towards coke side is slightly more than that on pusher side to Facilitate easy discharging of coke as it swells during carbonisation Facilitate uniform heating of the oven Increase the output of the coke None of these Facilitate easy discharging of coke as it swells during carbonisation Facilitate uniform heating of the oven Increase the output of the coke None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its All of these Sulphur content is lower Emissivity factor is higher Flue gas has lower dew point thereby facilitating more waste heat recovery All of these Sulphur content is lower Emissivity factor is higher Flue gas has lower dew point thereby facilitating more waste heat recovery ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of dry wood may be around __________ Kcal/kg. 500 50 5000 5 500 50 5000 5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Neither A nor B Because, it alone produces unreactive coke Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Neither A nor B Because, it alone produces unreactive coke ANSWER DOWNLOAD EXAMIANS APP
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