TFM 12 Fire Alarm Technical Exam with Questions and Answers

TFM 12 Fire Alarm Technical Exam with Questions and Answers So long as a single open, ground, or short circuit conditioned do not affect the operation equipment, what is not needed? ANSWER Monitoring for integrity, such conditions must not prevent alarm, trouble or supervisory signals being sent. If speakers are used to generate audible fire signals, What rule must apply? ANSWER The speaker must be monitored for integrity, and failure should result in a trouble signal. Where must a spot type heat and smoke sensors be located on walls and ceilings? ANSWER On the ceiling- not less than 4 inches from the sidewall. On the wall- between 4 inches and 12 inches from the ceiling. When more than one detector is used on a ceiling, what spacing measurement shall be used? ANSWER All points shall have a detector equal to 0.7 times the listed spacing. When water flow occurs that is equal or greater than the flow of a single sprinkler, how quickly shall the alarm signal initiate? ANSWER Within 90 seconds Can detectors be installed within an air duct system? Can they be used as a substitute for open area protection? ANSWER Yes and No Detectors shall be ________ for the purpose for which they are being used. ANSWER Listed (i.e zone listed)