Heat detectors - Study guides, Class notes & Summaries

List the four components that make up a typical alarm system. correct answers Fire alarm control panel FACP Power Supply Initiating device notification appliance Every sprinkler system is equipped with a main water control valve. Most main water control valves are of an indicating type. Give 2 examples of Indicating valves. correct answers Post Indicating Valves (PIVs) Outside Screw and Yoke (OS&Y) What are the two types of smoke detectors? correct answers ionization and photoelectric...

Which of the following is not one of the three primary fire protection elements for providing fire protection in a building? - Answer-Reporting Which of the following are considered as primary functions of a fire alarm system? - Answer-Actuation of emergency control functions, building system management, early detection of fires, notifications of the fire department, occupant notification. The world's first public fire alarm reporting system was used in? - Answer-Boston Fusible link te...

Ohio fire alarm Questions and Answers 2024 Where Public Mode audible appliances are installed they shall be ____________ above average ambient sound level 15dba Where audible appliances are installed in mechanical equipment rooms, the average ambient sound level is 85dba Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:08 / 0:15 Full screen Brainpower Read More An average ambient sound level greater than ______ shall require the use of a visibl...

S95 Personal Questions and Answers 100% Pass Which duties can an S-95 Certificate of Fitness holder perform? Visual Inspections Only - of fire alarm system components and smoke detectors What is the primary purpose of Fire Alarm Systems? To warn building occupants and transmit signals indicating a fire condition to the Fire Department via central station. What is a Fire Alarm signal? The signal initiated by a fire alarm initiating device such as a manual fire alarm pull station, s...

Analog (intelligent) Smoke Detectors - Answer-shall be cleaned no later than one (1) week from receipt of an indication of the need for cleaning. Smoke detectors - Answer-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 - Answer-(1) Activated by detection of particles of combustion (2) causes Fire Alarm (3) normally resets when the reset button is pressed at the FACP if the condition activ...

How often should dry chemical extinguishers be inspected? - ANSWER Monthly What is the heating of an organic substance without the addition of external heat? - ANSWER Spontaneous Combustion Fire protection engineers have established ______ as a minimum required residual pressure when computing the available water for all flow test results. - ANSWER 20 ps.i. Plastics when burned produce how many BTU's ? - ANSWER 16,000 b.t.u. What type of heat detectors are least prone to false alarm...

F-78 inspecting, cleaning & testing of smoke detectors latest version graded A+ Standard provided by Underwriters Laboratory (UL) Addresses system smoke detector is UL268 Central station A facility that receives alarm signals then retransmits it to the FDNY. Nuisance alarm An alarm caused by mechanical failure, malfunction, improper installations or lack of maintenance, or alarm activated by a cause that cannot be determined. Unnecessary alarm An alarm signal by a fire alarm ...

MACS 609 CERTIFICATION EXAM QUESTIONS & ANSWERS CORRECT 100% The use of ultraviolet (UV) or fluorescent dyes in an HFO-1234yf system is: - answers Approved by some vehicle manufactures but not by others One effect of some refrigerant gases in the atmosphere is that they: - answers Contribute to trapping heat Which item is not mentioned in the SAE J2099 Standard of refrigerant purity? - answers Sludge When it has been determined that an A/C system has a low refrigerant charge, what s...

The transfer of heat by the movement of air or liquid best defines: Conduction Radiation Convection Direct flame contract - Answer-Convection Heat Transfer that takes place in the form of electromagnetic waves is known as: Convection Radiation Conduction Direct flame contact - Answer-Radiation By which of the following methods can heat travel throughout a burning building? Conduction, Radiation, and Convection Extension, Conduction, and exposure Convection, extension, and ...

Fire alarm 2 Questions and Answers Graded A+ What are the three sides of the fire triangle? Oxygen, fuel, ignition source What are products of combustion? Heat Radiant energy Smoke Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:05 / 0:15 Full screen Brainpower Read More Heat is produced when materials ? react to form simpler compounds. exothermically Smoke particles are usually about what size? Between 0.01 microns to about 5,000 m...