Fuels and Combustion Use of pulverised coal in boiler furnace provides Smokeless burning High calorific value Better combustion Less erosion on furnace walls Smokeless burning High calorific value Better combustion Less erosion on furnace walls ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg. 8000 4000 1000 15000 8000 4000 1000 15000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the Use of preheated primary air Use of thick fire bed All of these Low fusion point of ash (< 1100° C) Use of preheated primary air Use of thick fire bed All of these Low fusion point of ash (< 1100° C) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. Methane Hydrogen All of these Unsaturated hydrocarbons Methane Hydrogen All of these Unsaturated hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has Lower strength Lower bulk density All of these Higher reactivity Lower strength Lower bulk density All of these Higher reactivity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion About __________ Nm³ of air will be required for the complete combustion of 2Nm³ of CO. 5 2 3 1 5 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
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