QUESTIONS WITH 100% CORRECT
ANSWERS |GRADED A+ .
When a device is inaccessible due to excessive height, such as an atrium, what it the maximum
interval for testing? - Correct Answer -18 months
When installing a wall-mounted fire telephone appliance to the public, what is the acceptable
maximum mounting height from the floor? - Correct Answer -66 inches
Elevator lobby smoke detectors shall be mounted within a maximum of which distance from the
center-line of the door? - Correct Answer -21 feet
At minimum, when working near power lines with voltage of 600 volts and lower, an aerial lift
operator shall maintain which distance from the lines? - Correct Answer -10 feet
The use of unprotected EMT shall be permitted under which conditions? - Correct Answer -when in
direct contact with the earth
According to NFPA 70, what is the maximum unsupported length of 1/2-inch flexible metallic
conduit where flexibility is required after installation? - Correct Answer -4 1/2 feet
What is the maximum bend (in degrees) permitted in a conduit run between outlet boxes? - Correct
Answer -360 Degrees
If the primary power is disconnected and the fire alarm system goes into an alarm condition, what is
the minimum acceptable time for secondary power to operate the voice evacuation systems? - Correct
Answer -15 minutes
A riser room temperature switch should activate when the temperature falls below which level? -
Correct Answer -40 degrees F
According to NFPA 72, what is the maximum sound pressure level permitted in a space with
notification appliances? - Correct Answer -110 dBA
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, What is the minimum interval for testing a single-station smoke detector in multifamily units? -
Correct Answer -Annually
Where should a technician install a detector in relation to beam that is less than 12 inches deep and
less that 8 feet in center? - Correct Answer -At the bottom of the beam
An existing fire alarm cable in a drop ceiling will be spliced. which one of the following splice
locations will comply with NFPA 70? - Correct Answer -secured inside a listed box or enclosure
Which function shall be tested for each newly installed smoke detector? - Correct Answer -smoke
entry?
An 180 foot long corridor is 10 feet wide, with a smooth 10 foot ceiling, interrupted by 4-inch beams
spaced every 10 feet. How many heat detectors with a listed 30 foot spacing are required? - Correct
Answer -6 heat detectors
At which height must cables be physically protected when being installed within an exposed ceiling? -
Correct Answer -7 feet
When shall smoke detectors be installed during the construction process? - Correct Answer -After the
final cleanup of all trades
Where structural members are provided, intermediate metal conduit shall be secured within which
maximum distance from an outlet box" - Correct Answer -3 feet
The requirement forbidding fire alarm circuits from being T-tapped, unless indicated by the
manufacturer's instructions, is intended to prevent which type of improper malfunction? - Correct
Answer -monitoring integrity of installation conductors?
What is the maximum operating temperature of TW insulation? - Correct Answer -140 Degrees F,
Table 310.15 (B)(16)
Which type of meter is used to measure the current draw of a strobe circuit? - Correct Answer -
multimeter
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