Fuels and Combustion A particular coal is said to be free burning when it Burns completely None of these Shows little or no fusing action Gives smokeless burning Burns completely None of these Shows little or no fusing action Gives smokeless burning ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in moisture content of coal, its Calorific value increases sometimes Clinkering tendency during combustion increases None of these Bulk density always decreases Calorific value increases sometimes Clinkering tendency during combustion increases None of these Bulk density always decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is a better fuel than blast furnace gas, because of its higher All of these Heat release rate (thus requiring smaller combustion chamber) Adiabatic flame temperature Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) All of these Heat release rate (thus requiring smaller combustion chamber) Adiabatic flame temperature Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker. 1400 1350 1250 1100 1400 1350 1250 1100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following, which is the most important parameter for the blast furnace grade coke? Ash content CSR & CRI Volatile matter content Moisture content Ash content CSR & CRI Volatile matter content Moisture content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High ash containing coke Is desirable in producer gas manufacture Produces more slag when used in the blast furnace None of these Has poor strength and abrasion resistance Is desirable in producer gas manufacture Produces more slag when used in the blast furnace None of these Has poor strength and abrasion resistance ANSWER DOWNLOAD EXAMIANS APP