Fire Alarm Systems Quiz
11 Questions
| Total Attempts: 3152
All answers may be found in NFPA 72, 2016 Edition.
Questions and Answers
- 1.According to Chapter 10, “Fundamentals,” trouble signals and their restoration to normal shall be indicated within _______ seconds at the locations identified in 10.14.7 and 10.14.8.
- A.
15
- B.
30
- C.
60
- D.
200
- 2.Spare DACRs shall be provided in the supervising or subsidiary station. The spare DACRs shall be on line or able to be switched into the place of a failed unit within _______ seconds after detection of failure.
- A.
15
- B.
60
- C.
30
- D.
200
- 3.An open ground fault or short-circuit fault on the installation conductors of one alarm notification appliance circuit shall not affect the operation of any other alarm notification appliance circuit for more than _______ seconds.
- A.
15
- B.
30
- C.
60
- D.
200
- 4.Where operational capability is required to be maintained or continued during the application of a fault, the operational capability required in 10.11.1 shall be restored within _______ seconds from the time the fault is introduced.
- A.
15
- B.
30
- C.
60
- D.
200
- 5.According to Chapter 23, “Protected Premises Fire Alarm Systems,” specified fault conditions shall result in the annunciation of a trouble signal at the protected premises within _______ seconds as required in Section 12.6.
- A.
15
- B.
30
- C.
60
- D.
200
- 6.To initiate the positive alarm sequence operation in a protected premises fire alarm system, the signal from an automatic fire detection device selected for positive alarm sequence operation shall be acknowledged at the fire alarm control unit by trained personnel within _________ seconds of annunciation.
- A.
15
- B.
30
- C.
60
- D.
200
- 7.The maximum allowable time lapse from the occurrence of an adverse condition in any transmission channel of a two-way radio system until recording of the adverse condition is started shall not exceed _______ seconds for Type 4 and Type 5 systems.
- A.
15
- B.
30
- C.
60
- D.
200
- 8.For a public emergency alarm reporting system, a pathway or communications trouble condition shall be detected and annunciated at both the communication center and the alarm processing equipment location within ________ seconds.
- A.
15
- B.
30
- C.
60
- D.
200
- 9.The secondary power supply shall have sufficient capacity to operate the system under quiescent load (system operating in a non-alarm condition) for a minimum of 24 hours and, at the end of that period, shall be capable of operating all alarm notification appliances used for evacuation or to direct aid to the location of an emergency for _______ minutes, unless otherwise permitted or required by 10.6.7.2.1.1 through 10.6.7.2.2:
- A.
15
- B.
30
- C.
60
- D.
200
- 10.The occurrence of any single fault that disables communication between any low-power radio transmitter/transceiver and the receiver/transceiver system control unit shall cause a latching trouble signal within _______ seconds at the system control unit that individually identifies the affected device.
- A.
15
- B.
30
- C.
60
- D.
200
- 11.A communications failure shall initiate a specific communications failure trouble message, which shall be transmitted from the auxiliary alarm system and shall be automatically indicated within ________ seconds at the communications center.
- A.
15
- B.
30
- C.
60
- D.
200
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Type description here.
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Sample QuestionThe term “local” as in local alarm system refers to:
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