Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 40 20 80 60 40 20 80 60 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following furnaces will have maximum thermal efficiency? Boiler furnace Walking beam reheating furnace Rotary kilns Soaking pits Boiler furnace Walking beam reheating furnace Rotary kilns Soaking pits ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about __________ °C. 180 80 130 250 180 80 130 250 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Is the ratio of maximum to minimum permissible heat input rates Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Is the ratio of maximum to minimum permissible heat input rates ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace. Resistance High frequency induction Arc Low frequency induction Resistance High frequency induction Arc Low frequency induction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Very high pressure boilers are usually __________ boilers. Fire tube Waste heat Natural circulation Water tube Fire tube Waste heat Natural circulation Water tube ANSWER DOWNLOAD EXAMIANS APP
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