Science, asked by 1986urmila, 4 months ago

b) Why are the bricks heated in a kiln? class 4​

Answers

Answered by Anonymous
23

Answer:

Heat in the flue gas is utilised for heating and drying of green bricks and the heat in the fired bricks is used for preheating air for combustion. Due to incorporation of heat recovery features, continuous kilns are more energy efficient.

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