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4000 Important General Science MCQ Question & Answer in PDF Download

Q.

Ventilators are provided near the ceiling of the room because

  • AThe exhaled warmer air rises up and goes out
  • BThese provide cross ventilation in the room
  • CThese provide some sunlight in the room
  • DThese do not look nice in the lower part
Correct Answer : (A)

The exhaled warmer air rises up and goes out
Hints :

Ventilators are provided near the ceiling of the room because the exhaled warmer air rises up and goes out.

4000 Important General Science MCQ Question & Answer in PDF Download
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