why are exhaust fans plased near roof??????????????????????????????
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We know that heat always goes in upward direction....so exhaust fans are placed near the roof in order to make the inside heat move out..
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Answer:
Exhaust fans are placed near the roof because the air of food materials move in upward direction so not to prevent the smoke in the homes or in the factories exhaust fans are placed near the roof because if they will go without purify it can harm the environment.
Explanation:
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