When testing a room temperature switch, below what temperature does the off-normal signal occur?
Correct Answer: B
Room temperature switches are used to detectfreezing conditionsin environments such as sprinkler valve rooms. An off-normal (supervisory) condition is triggered if the temperature dropsbelow 40 °F (4.4 °C). NFPA 72 (2022), Section A.17.16.1.1: "Low-temperature supervisory signals shall be initiated when the temperature falls below 40 °F (4.4 °C) unless otherwise specified." This signal helps prevent system damage or failure due to freezing. Correct answer: B. 40 °F (4.4 °C)
ITFAS-Level-1 Exam Question 42
What is the maximum travel distance between two fire alarm boxes measured horizontally on the same floor?
Correct Answer: D
NFPA 72 sets a maximumhorizontal travel distancebetween manual pull stations (manual fire alarm boxes) to ensure accessibility in large spaces. NFPA 72 (2022), Section 17.14.6.4: "The maximum travel distance to a manual fire alarm box shall not exceed 200 ft (61 m)." This is for accessibility so occupants can reach a pull station quickly in an emergency. Correct answer: D. 200 feet (61 meters)
