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TFM 12 Questions and Answers Latest Edition (Guarantee Pass) Already Graded A+

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TFM 12 Questions and Answers Latest Edition (Guarantee Pass) Already Graded A+ 1. In a protected premises FA system the secondary power supply shall automatically supply the energy to the system within _______ seconds whenever the primary power supply is incapable. - ANSWER 10 2. When the same sound is used for both supervisory and trouble signals, distinction between signals shall be by other appropriate means such as visible annunciation. - ANSWER True 3. Shall the voltage rating marked on P.F.L.A cables? - ANSWER No, because they may be mistakenly used for electrical applications. 4. What is 'Rate Compensation Detector'? - ANSWER A device that responds when a temperature rises at an exceeding rate that is predetermined. 5. What is a 'Smoke Detector'? - ANSWER a device that detects both visible and invisible combustion particles? 6. Which detector is best a detecting invisible particles? - ANSWER Ionization 7. Which sensor is better at detecting thick, visible smoke particles? - ANSWER Photoelectric 8. What is a SPOT TYPE sensor? - ANSWER a device in which detecting an element is concentrated at a particular location. 9. What is a DIGITAL ALARM COMMUNICATOR TRANSMITTER ( D.A.C.T)? - ANSWER A system component at the protected premises is connected to the detection devices. It has a line seizure and can connect to a D.A.C.R. 10.What is a DIGITAL ALARM COMMUNICATOR RECEIVER? (D.A.C.R)? - ANSWER A system component that accepts and displays signals sent over the public phone network from a D.A.C.T (i.e A.D.T monitoring center) 11.What is an alarm signal? - ANSWER A signal indicating an emergency that requires immediate action. 12.What is a Supervisory signal? - ANSWER A signal that indicates the need for action in connection with the SUPERVISION of fire equipment. frequently must household (single and multiple station detectors) be inspected and tested? - ANSWER with accordance to manufacturers at least Monthly does restorable mean - ANSWER a device that can be restored or reused after it has I initiated an alarm frequently must household (fire akram systems) be inspected and tested - ANSWER at least every year by a qualified technician. 16.What size conductors are permitted? - ANSWER Size 18 A.W.G and 16 A.W.G is used to protect transformers or other devices supplied from powersupply conductors. - ANSWER an overcurrent device not rated over 20 Amperes. 18.When located within 7ft of the floor, how shall cables be fastened? - ANSWER Cables shall be fastened in an approved manner at intervals of not more than 18 inches. 19.Single conductors shall not be smaller than ___ A.W.G? - ANSWER 18 20.Conductors of 26 A.W.G shall only be permitted in which circumstances? - ANSWER where spliced with a connector listed as suitable for 26 or 24 AWG is a Plenum cable - ANSWER Cable that can be installed in ducts, plenums or other spaces used for environmental air. It has adequate fire resistance and low smoke producing characteristics. is a riser cable - ANSWER -Cable to be used in vertical wire runs in shafts between floors. Not to be used where Plenum cable is required. -It is capable of preventing fire from rising from floor to floor is a general purpose cable - ANSWER -Cable for general purpose fire alarm use. Not to be used where plenum cable or riser cable is required. -It is resistant to the spread of fire. 24.What 'type' shall Plenum Cable be? What substitutions are permitted - ANSWER Be: FPLP and Sub:CMP 25.What 'type' shall Raiser wire be? What substitutions are permitted - ANSWER Be: FPLR Sub: FPLP 26.Max Voltage for permitted through NPLFA Cables - ANSWER 600 Volts Voltage permitted through multiconductors NPLFA Cables - ANSWER 150 Volts 28.What 'type' shall general purpose wire be? What substitutions are permitted? - ANSWER Be: FPL SUB: CM ge rating of FLPA Cables - ANSWER not less than 300 Volts 30.Shall the voltage be marked on P.F.L.A cables? - ANSWER No, because they may be mistakenly used for electrical applications is a rate compensation detectors - ANSWER a device that responds when temperature rises at a rate exceeding a pre-determined value. is a rate of rise detector - ANSWER a device that response when the temperature rises at a rate exceeding pre determined value

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Institution
TFM 12
Course
TFM 12

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TFM 12 Questions and Answers
Latest Edition (Guarantee Pass)
Already Graded A+
1. In a protected premises FA system the secondary power supply shall
automatically supply the energy to the system within _______ seconds
whenever the primary power supply is incapable. - ANSWER 10


2. When the same sound is used for both supervisory and trouble signals,
distinction between signals shall be by other appropriate means such as
visible annunciation. - ANSWER True


3. Shall the voltage rating marked on P.F.L.A cables? - ANSWER No,
because they may be mistakenly used for electrical applications.


4. What is 'Rate Compensation Detector'? - ANSWER A device that responds
when a temperature rises at an exceeding rate that is predetermined.


5. What is a 'Smoke Detector'? - ANSWER a device that detects both visible
and invisible combustion particles?


6. Which detector is best a detecting invisible particles? - ANSWER
Ionization


7. Which sensor is better at detecting thick, visible smoke particles? -
ANSWER Photoelectric

,8. What is a SPOT TYPE sensor? - ANSWER a device in which detecting an
element is concentrated at a particular location.


9. What is a DIGITAL ALARM COMMUNICATOR TRANSMITTER (
D.A.C.T)? - ANSWER A system component at the protected premises is
connected to the detection devices. It has a line seizure and can connect to a
D.A.C.R.


10.What is a DIGITAL ALARM COMMUNICATOR RECEIVER?
(D.A.C.R)? - ANSWER A system component that accepts and displays
signals sent over the public phone network from a D.A.C.T (i.e A.D.T
monitoring center)


11.What is an alarm signal? - ANSWER A signal indicating an emergency that
requires immediate action.


12.What is a Supervisory signal? - ANSWER A signal that indicates the need
for action in connection with the SUPERVISION of fire equipment.


13.how frequently must household (single and multiple station detectors) be
inspected and tested? - ANSWER with accordance to manufacturers at least
Monthly


14.what does restorable mean - ANSWER a device that can be restored or
reused after it has I initiated an alarm


15.how frequently must household (fire akram systems) be inspected and tested
- ANSWER at least every year by a qualified technician.

, 16.What size conductors are permitted? - ANSWER Size 18 A.W.G and 16
A.W.G


17.what is used to protect transformers or other devices supplied from power-
supply conductors. - ANSWER an overcurrent device not rated over 20
Amperes.


18.When located within 7ft of the floor, how shall cables be fastened? -
ANSWER Cables shall be fastened in an approved manner at intervals of not
more than 18 inches.


19.Single conductors shall not be smaller than ___ A.W.G? - ANSWER 18


20.Conductors of 26 A.W.G shall only be permitted in which circumstances? -
ANSWER where spliced with a connector listed as suitable for 26 or 24
AWG


21.what is a Plenum cable - ANSWER Cable that can be installed in ducts,
plenums or other spaces used for environmental air.


It has adequate fire resistance and low smoke producing characteristics.


22.what is a riser cable - ANSWER -Cable to be used in vertical wire runs in
shafts between floors. Not to be used where Plenum cable is required.


-It is capable of preventing fire from rising from floor to floor


23.what is a general purpose cable - ANSWER -Cable for general purpose fire
alarm use. Not to be used where plenum cable or riser cable is required.

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