Furnace Technology __________ atmosphere is maintained inside an iron blast furnace. Inert Reducing Oxidising Decarburising Inert Reducing Oxidising Decarburising ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 60 20 80 40 60 20 80 40 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty Are lighter & compact Involve higher initial cost Store smaller quantity of waste heat All of these Are lighter & compact Involve higher initial cost Store smaller quantity of waste heat All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Maximum heat input rate only Range of fuel firing rates Minimum heat input rate only Volume of the combustion chamber Maximum heat input rate only Range of fuel firing rates Minimum heat input rate only Volume of the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Blast furnace stoves are meant for heating Blast furnace gas Air Steam None of these Blast furnace gas Air Steam None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables affects the furnace capacity? Thermal conductivity of stock Thickness of heating stock All of these Temperature of flue gas Thermal conductivity of stock Thickness of heating stock All of these Temperature of flue gas ANSWER DOWNLOAD EXAMIANS APP