Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Maximum heat input rate only Minimum heat input rate only Range of fuel firing rates Volume of the combustion chamber Maximum heat input rate only Minimum heat input rate only Range of fuel firing rates Volume of the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 80 20 40 60 80 20 40 60 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs an I.D. fan for the removal of flue gases from the furnace? Blast furnace stoves Beehive coke oven Coke oven High pressure boiler Blast furnace stoves Beehive coke oven Coke oven High pressure boiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ furnace is not an electric furnace. Resistance Induction Arc Pot Resistance Induction Arc Pot ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Neutral atmosphere is maintained in a/an __________ furnace. Walking beam reheating Open hearth Cold rolled steel coil annealing Soaking pit Walking beam reheating Open hearth Cold rolled steel coil annealing Soaking pit 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. 1250 350 750 1050 1250 350 750 1050 ANSWER DOWNLOAD EXAMIANS APP