Question

a fire alarm usually detects smoke in case of fire where should such an alarm be placed in a room? (a) near the door (b) on the floor (c) on any wall (d) on the ceiling.​

Answer 1

Answer:

HEY MATE YOUR ANS IS (D)

SINCE IT DETECTS SMOKE SMOKE ALWAYS GOES UP TOWARDS THE CEILING

Answer 2

Answer:

HEY MATE ....HERE'S YOUR ANSWER

Explanation:

it is placed on the wall at a greater height....but according to the danger level the fire alarm is places