Verification of a DACT’s trouble signal to the fire alarm shall be received within a maximum of how many minutes when the primary telephone line is disconnected?
Which two of the following are needed to perform a periodic test of a projected beam type smoke detector? (Choose two.)
What is the inspection frequency of supervising station alarm system transmitters?
Secondary power for the fire alarm primary power supply shall be tested under which load?
After 15 years, what should be done with nonrestorable, spot-type heat detectors in lieu of testing?
After the secondary power supply has operated the fire alarm system under quiescent load,the secondary power shall be capable of operating all alarm notification appliances for which length of time?
What is the testing frequency of an engine driven generator?
A disconnection of the primary phone line shall cause which of the following events to occur?
What is the maximum travel distance between two fire alarm boxes measured horizontally on the same floor?
The inspection phase, as opposed to the testing phase, of system control equipment should concentrate on which of the following tasks?
Which three of the following parties gets notified that the system has been restored? (Choose three.)
Within a fire alarm control unit, what is the maximum delay in seconds for alarm system responses after the initiation device has been activated?
The minimum supervising station signaling requirement for a fire alarm system that monitors a sprinkler flow and tamper switch shall include which set of signals?
When the main power is disconnected, how long should a power supply with emergency voice communication systems work in alarm mode?
How is a projected beam detector inspected?
After 15 years from initial installation, all fixed-temperature, nonrestorable heat detectors shall be replaced or have how many detectors per 100 laboratories tested?
Which two of the following should occur when a signal silence switch for a notification alarm is activated? (Choose two.)
An off-normal signal shall be initiated during which of the following travel distances of the valve control apparatus from its normal position?
At which height above the floor is the sound level measured for public and private modeaudible devices?
Visible and audible trouble signals shall be indicated at which two of the following locations? (Choose two.)
How often should radio transmitters be inspected?
According to NFPA 72, which date shall be marked on batteries?
Which three of the following test methods are used to ensure that the smoke detectors are within their sensitivity range? (Choose three.)
Which of the following situations is considered an impairment?
Primary power supplies shall be functionally tested at which interval?