Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Zircon powder Thoria Beryllium Graphite powder Zircon powder Thoria Beryllium Graphite powder ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace aerodynamics is related to the __________ in the furnace. Movement of gases Measurement of flue gas volume Temperature control Pressure adjustment Movement of gases Measurement of flue gas volume Temperature control Pressure adjustment ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Reduces the furnace draught Increases the load on the induced draft fan Reduces the flue gas temperature and makes the furnace atmosphere oxidising All of these Reduces the furnace draught Increases the load on the induced draft fan Reduces the flue gas temperature and makes the furnace atmosphere oxidising All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 85 70 40 15 85 70 40 15 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty All of these Are lighter & compact Store smaller quantity of waste heat Involve higher initial cost All of these Are lighter & compact Store smaller quantity of waste heat Involve higher initial cost ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Means for giving direction to the circulation of gases in furnaces are All of these Fans Location of outlet ports and heating & combustion devices Arrangement of heating stock in the furnaces All of these Fans Location of outlet ports and heating & combustion devices Arrangement of heating stock in the furnaces ANSWER DOWNLOAD EXAMIANS APP