Heat detectors - Study guides, Class notes & Summaries

OH Fire Alarm Study Materials Questions and Answers 100% Pass Smoke detectors installed in air duct systems are normally used to control spreading smoke. T/F ? True A two-wire Class B circuit has 10 smoke detectors on it. A Class B circuit will typically have an end-of-line device on the last detector in the circuit. The end-of-line device is usually a _____. Resistor A smoke detector installed in an air duct system is permitted to be used as a substitute for open area protection. ...

S-95 (FDNY) Latest Update with Verified Solutions Analog (intelligent) Smoke Detectors shall be cleaned no later than one (1) week from receipt of an indication of the need for cleaning. Smoke detectors MUST BE: (1) cleaned not less than once every six (6) months (2) tested for smoke entry not less than once a year. Smoke, beam, and duct detectors (1) Activated by detection of particles of combustion (2) causes Fire Alarm (3) normally resets when the reset button is pressed at th...

Inspector Chapter 14 Questions and Answers Already Passed Inspectors should check the FACU to verify: Select one: a. component age. b. components are not blocked or obstructed in any way. c. changes in occupancy. d. all parts are operating properly. D Multistory facilities should have at least _____ pull station(s) on each floor. Select one: a. 3 b. 2 c. 4 d. 1 D Automatic alarm-initiating devices are more commonly known as: Select one: a. detectors. b. alarms....

Fire Alarm level 1 quizzes Questions and Answers 100% Solved What is the height of the manual fire alarm boxes shall be a minimum of and a maximum of Inches, measure vertically from the floor level to the activation handle or leveler of the box. 42 inches to 48 inches 2014 B.C 970.4.2.2 What color is the fire alarm boxes shall be In color? Red 2014 BC 907.4.2.3 Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen Brainpower Rea...

When testing a water level supervisory switch serving a pressure tank a signal shall indicate if the water level _____________from the required level (NFPA 72, Table 14.4.3.2 17 (j) (4) Answer - rises or falls over 3 inches If combination audible/visible appliances are installed the location of the installed appliance shall be determined by the requirements of _______. (Nfpa 72 18.4.8.1) Answer - the visible appliance What is the maximum number of 12 gauge THHN wires that can be inst...

When testing a water level supervisory switch serving a pressure tank a signal shall indicate if the water level _____________from the required level (NFPA 72, Table 14.4.3.2 17 (j) (4) - Answer-rises or falls over 3 inches If combination audible/visible appliances are installed the location of the installed appliance shall be determined by the requirements of _______. (Nfpa 72 18.4.8.1) - Answer-the visible appliance What is the maximum number of 12 gauge THHN wires that can be inst...

When testing a water level supervisory switch serving a pressure tank a signal shall indicate if the water level _____________from the required level (NFPA 72, Table 14.4.3.2 17 (j) (4) - ANS rises or falls over 3 inches If combination audible/visible appliances are installed the location of the installed appliance shall be determined by the requirements of _______. (Nfpa 72 18.4.8.1) - ANS the visible appliance What is the maximum number of 12 gauge THHN wires that can be instal...

NICET level 1 Study Guide Questions with Correct Answers Latest Update According to NFPA 72, what is the maximum allowable spacing for a spot-type heat detector that is listed for 50'ft spacing if it is to be installed on a 25'ft ceiling that is smooth and flat? - Answer- 23'ft - because detectors at or above 20'ft shall multiply the listed detector spacing by 0.64. Under what condition are heat detectors permitted to be installed on the bottom of beams? - Answer- Where beams a...

NFPA 72 Questions and Answers with Certified Solutions What does PFLA stand for? Power Limited Fire Alarm. What does NPFLA stand for? Non-Power Limited Fire Alarm. What material must NPFLA circuit conductors be made from? Only solid or stranded copper is permitted. What is a single station detector? Battery powered smoke detectors that do not communicate off premises. What is a multiple station detector? Mains powered smoke detectors with battery backup that are linked toget...

CPCU 500 Exam Questions and Answers Managing Evolving Risks with Complete Solutions. Which one of the following statements about the use of drones is true? correct answers Drones may be equipped with cameras that relay data in real-time Which one of the following uses infrared light to detect nearby objects? correct answers Lidar AMRM Insurance Company sells insurance in Virginia, North Carolina, South Carolina, and Georgia. The company has compiled a policyowner data base that can be used ...