Question

Multiple Choice Questions
A fire alarm usually detects smoke in case of fire. Where should such an alarm be placed in a room? [NCERT Exemplar]
(a) Near the door
(b) On the floor
(c) On any wall
(d) On the ceiling

Answer 1

Answer:

c

Explanation:

because the smoke is light and stays high

Answer 2

Answer:

The smoke detector should be placed on the ceiling

Smoke alarms should be installed at least 10 feet (3 meters) from a cooking appliance to minimize false alarms when cooking. Mount smoke alarms high on walls or ceilings (remember, smoke rises). ... Don't install smoke alarms near windows, doors, or ducts where drafts might interfere with their operation.

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