An emergency voice/alarm communications alert tone must sound at least ? times.

• A. 2 times
• B. 3 times
• C. 5 times
• D. 1 time

Answer: (B)

Repetition in emergency communications is crucial for making sure everyone hears and understands the message. The emergency voice/alarm alert tone is repeated multiple times so it can cut through background noise, reach people in different parts of the building, and give occupants multiple chances to notice and respond.

Sounding it at least three times provides a clear, unmistakable cue without becoming overly disruptive. If it’s only heard once, someone could miss it in a noisy area or from a distance. Two repetitions improve the odds but may still be overlooked in busy or echo-prone spaces. Five repetitions could become annoying and risk desensitization over time. Three times hits a practical balance, ensuring the alert is noticeable and prompts action.