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Mechanical Engineering · Q358

Steam Boilers, Engines, Nozzles And Turbines

Engineering and GATE · Mechanical Engineering · question 358

Q358

A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as

A.
Superheater
B.
Air-preheater
Answer
C.
Economizer
D.
Injector

Answer: Option B

Solution

Answer: Option B
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