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 Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel combustion Permits the use of high ash content coal All of these Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 60-65 95-100 3-5 25-30 60-65 95-100 3-5 25-30 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Both A and B Contributes to its heating value Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Both A and B Contributes to its heating value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas compared to blast furnace gas is Less poisonous Lighter More explosive and inflammable All of these Less poisonous Lighter More explosive and inflammable All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal is done to reduce the Adhering impurities Mineral matter Both B and C Inherent impurities Adhering impurities Mineral matter Both B and C Inherent impurities ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace coke is made from coal by Low temperature carbonisation High temperature carbonisation Medium temperature carbonisation Heating the coal in an oven in presence of air Low temperature carbonisation High temperature carbonisation Medium temperature carbonisation Heating the coal in an oven in presence of air ANSWER DOWNLOAD EXAMIANS APP
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