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    Question

    Why are ventilators typically positioned near the

    ceiling in rooms?
    A To facilitate cross ventilation Correct Answer Incorrect Answer
    B To allow sunlight into the room Correct Answer Incorrect Answer
    C To expel warmer air as it rises Correct Answer Incorrect Answer
    D For aesthetic reasons Correct Answer Incorrect Answer

    Solution

    Ventilators are placed high up because warm air rises; by positioning them near the ceiling, the room's warmer air can flow out, helping to maintain a cooler environment at the lower levels where people reside.

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