Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 10 25 65 90 10 25 65 90 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reverberatory furnace is used for Annealing steel coil Heating air Steel melting Roasting/reduction of ores Annealing steel coil Heating air Steel melting Roasting/reduction of ores ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 750 350 1250 1050 750 350 1250 1050 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Large tonnage of refractory bricks are dried in a Tunnel kiln Shaft furnace Rotary hearth furnace Muffle furnace Tunnel kiln Shaft furnace Rotary hearth furnace Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 70 15 40 85 70 15 40 85 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by All of these Preheating the combustion air Preheating the fuel gas Oxygen enrichment of combustion air All of these Preheating the combustion air Preheating the fuel gas Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS