ANSWERS GRADED A+ 100% GUARANTEED SUCCESS.
When a device is inaccessible due to excessive height, such as an
atrium, what it the maximum interval for testing? ANS >>> 18 months
When installing a wall-mounted fire telephone appliance to the public,
what is the acceptable maximum mounting height from the floor? ANS
>>> 66 inches
Elevator lobby smoke detectors shall be mounted within a maximum of
which distance from the centre-line of the door? ANS >>> 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? ANS >>> 10 feet
The use of unprotected EMT shall be permitted under which
conditions? ANS >>> 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? ANS >>> 4 1/2 feet
What is the maximum bend (in degrees) permitted in a conduit run
between outlet boxes? ANS >>> 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? ANS >>> 15
minutes
A riser room temperature switch should activate when the temperature
falls below which level? ANS >>> 40 degrees F
According to NFPA 72, what is the maximum sound pressure level
permitted in a space with notification appliances? ANS >>> 110 dBA
What is the minimum interval for testing a single-station smoke
detector in multifamily units? ANS >>> 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 centre? ANS >>> At the
bottom of the beam