S95 Supervisory and Trouble Signals 3

Question 1

What color is typically used to indicate a TROUBLE signal on a fire alarm control panel?

Accepted Answer

Yellow or amber

Answer

Yellow or amber indicators are the industry-standard color for trouble signals on fire alarm control panels, distinguishing them from red alarm signals.

Question 2

A fire pump running signal at the FACP indicates:

Accepted Answer

The fire pump has started and may indicate a demand for water

Answer

A fire pump running signal is a supervisory signal indicating the fire pump has started, which may indicate actual firefighting water demand or an automatic test cycle.

Question 3

Which device monitors the water level in a fire protection storage tank and generates a supervisory signal when the level drops below normal?

Accepted Answer

Low water level switch

Answer

A low water level switch monitors storage tank water levels and sends a supervisory signal when water drops below the minimum required level.

Question 4

According to NFPA 72, a trouble signal audible notification device at the FACP must produce a sound that is:

Accepted Answer

A distinctive sound clearly different from alarm signals

Answer

Trouble signal notification must be distinctly different from alarm signals so personnel can immediately differentiate between emergency and maintenance conditions.

Question 5

A cross-zoned detection system requires two separate detection zones to activate before sounding a full alarm. If only one zone activates, the FACP would typically display a:

Accepted Answer

Pre-alarm or investigation signal

Answer

In a cross-zoned system, single-zone activation typically generates a pre-alarm or investigation condition rather than a full alarm until the second zone confirms.

(S95) Supervision of Fire Alarm System Practice Test

(S95) Supervision of Fire Alarm System Practice Test

S95 Supervisory and Trouble Signals 3