Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Can be done with less excess air Develops a non-luminous flame Provides a lower rate of heat release Develops a low temperature flame Can be done with less excess air Develops a non-luminous flame Provides a lower rate of heat release Develops a low temperature flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Ignites more easily than bituminous coal Contains more volatile matter than bituminous coal Is essentially a coking coal Burns with short, bluish, yellow-tipped flame producing very little smoke Ignites more easily than bituminous coal Contains more volatile matter than bituminous coal Is essentially a coking coal Burns with short, bluish, yellow-tipped flame producing very little smoke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes None of these Brittleness of steel made by using it Increase in its strength Decrease in its calorific value None of these Brittleness of steel made by using it Increase in its strength Decrease in its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing CO₂ H₂O O₂ CO CO₂ H₂O O₂ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Abrasion index of blast furnace coke should be around __________ percent. 55 80 35 20 55 80 35 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature decreases progressively from anthracite to lignite, because Volatile matter content increases Carbon content decreases Moisture content increases Ash content increases Volatile matter content increases Carbon content decreases Moisture content increases Ash content increases ANSWER DOWNLOAD EXAMIANS APP