CONTRACTOR EXAM 2026 FULL PRACTICE
QUESTIONS AND ANSWERS
◉ Inspections of wet-pipe systems are primarily concentrated in fire
areas: valves, sprinklers, piping, water supply, and. Answer:
waterflow alarms
◉ Which of the following is MOST accurate concerning automatic
sprinkler systems within commercial properties. Answer: They are
designed to protect all occupied areas and concealed spaces within a
building
◉ Similar to a smoke ejector in appearance, a mechanical blower
generator is a type of. Answer: high-expansion foam generator
◉ automatic sprinkler systems hep control to a fire in its earlier
stages, which allows firefighting operations to be conducted in a
more. Answer: tenable atmosphere
◉ Which nozzle is the most effective appliance for generating low-
expansion foam. Answer: Air-aspirating foam nozzle
,◉ A vertical water pipe used to carry water from the protection
systems above ground is a. Answer: riser
◉ Residential sprinklers can be omitted from areas such as. Answer:
garages
◉ Which valve may be used as a control valve as long as it cannot be
closed in less than five seconds. Answer: Ball
◉ Which is the MOST common type of FDC connection. Answer: 4-
inch (100 mm) pipe equipped with a fitting on the outside of the
building
◉ A fast-response sprinkler that has a special low-mass fusible link
or bulb that makes the time of temperature actuation much less than
that of a conventional sprinkler is a(an). Answer: residential
sprinkler
◉ A sprinkler system that relies on air pressure to hold the clapper
in the valve closed to keep water out of the system until a sprinkler
operates is a. Answer: dry-pipe
◉ With regard to we-pipe sprinklers NFPA research indicates what
percent of fires are controlled with less than 10 sprinklers activated.
Answer: 99 percent
, ◉ A benefit of water- mist fire suppression system compared to
traditional sprinkler systems is the. Answer: limited amount of
water used
◉ A thermally sensitive bulb that contains a liquid that expands
when heated and breaks the bulb causing water to flow from a
sprinkler is known as a. Answer: Frangible bulb
◉ Which components are designed to protect sprinklers pipes
against lateral and horizontal movement. Answer: Seismic restraints
◉ The selection of the operating temperature of a sprinkler is
determined based upon the maximum air temperature expected
under normal conditions at. Answer: the level of the sprinkler
◉ When introspecting sprinklers, a clearance of at least how man
inches should be maintained between sprinklers and stored
materials. Answer: 18 inches
◉ In order to prevent the supply for a residential sprinkler system
from being turned off, the sprinkler supply is. Answer: connected to
the household water supply