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Through what is feed water from hot-well is passed through, before entering steam and water drum in Lamont boiler?

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Through what is feed water from hot-well is passed through, before entering steam and water drum in Lamont boiler?

(a) Evaporator tubes

(b) Economizer

(c) Distributer header

(d) Circulating pump

I had been asked this question in an internship interview.

My question is based upon Types of High Pressure Boilers topic in chapter Steam Generators & Accessories of Energy Engineering

1 Answer

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The correct answer is (b) Economizer

The best I can explain: Feed water from the hot well is passed through the economizer tubes before entering the steam and water drum. During its flow through the economizer tubes, water gains maximum sensible heat from the flue gases escaping to the exhaust.

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