Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 48 8 80 18 48 8 80 18 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its Yield of carbonised products Friability & oxygen content Calorific value Caking index Yield of carbonised products Friability & oxygen content Calorific value Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between the net and gross calorific value is maximum in case of Bituminous coal Fuel oil Pitch Blast furnace gas Bituminous coal Fuel oil Pitch Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pulverised coal used in boiler firing need not have Less moisture content High fusion point of its ash High bulk density Lower ash content Less moisture content High fusion point of its ash High bulk density Lower ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The advantage of firing pulverised coal in the furnace lies in the fact, that it All of these Accelerates the burning rate and economises on fuel combustion Permits the use of high ash content coal Permits the use of low fusion point ash coal All of these Accelerates the burning rate and economises on fuel combustion Permits the use of high ash content coal Permits the use of low fusion point ash coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have High calorific value High ash High volatile matter Low ash High calorific value High ash High volatile matter Low ash ANSWER DOWNLOAD EXAMIANS APP