Which type of fire detectors sends an alarm when the temperature of the room rises dramatically?

A.
Odor-sensing

B.
Heat-sensing

C.
Smoke-actuated

D.
Flame-actuated

Explanation:
A rate-of-rise detector triggers an alarm when the ambient temperature of a room increases rapidly.
Another type of heat-sensing detector, a fixed temperature device, sends an alarm when the
temperature passes a predetermined level.