Fuels and Combustion Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing? Ash disposal problem Excessive fly-ash discharge from the stack High power consumption in its transportation Erosion of induced draft fan blades Ash disposal problem Excessive fly-ash discharge from the stack High power consumption in its transportation Erosion of induced draft fan blades ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content will necessarily have lower Ash fusion temperature Calorific value Ignition temperature Caking index Ash fusion temperature Calorific value Ignition temperature Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite can be used for Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke All of these Making carbon electrodes Recarbonising steel Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke All of these Making carbon electrodes Recarbonising steel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke even gas produced by low temperature carbonisation of coal is about __________ Kcal/Nm³. 10000 2500 4000 6500 10000 2500 4000 6500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air required to burn 1 kg of carbon completely may be around __________ kg. 2 11 20 38 2 11 20 38 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The advantage of firing pulverised coal in the furnace lies in the fact, that it Permits the use of high ash content coal All of these Accelerates the burning rate and economises on fuel combustion Permits the use of low fusion point ash coal Permits the use of high ash content coal All of these Accelerates the burning rate and economises on fuel combustion Permits the use of low fusion point ash coal ANSWER DOWNLOAD EXAMIANS APP
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