Q306
Ventilators are provided near the ceiling of the room because
A.
The exhaled warmer air rises up and goes out
B.
These provide cross ventilation in the room
AnswerC.
These provide some sunlight in the room
D.
These do not look nice in the lower part
Answer: Option B
Solution
Answer: Option B
Solution:
Ventilators are provided near ceilings in the rooms of our houses because the air we breathe out is warm and rises out of the room through the ventilators. Cool fresh air rushes into the room through the doors and windows.