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Professional Development
Professional Development
Requirements for System Types
20 questions
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- 1. Multiple Choice
The NFPA 13 standard shall provide ______ for the design and installation of automatic fire sprinkler systems and exposure protection sprinkler systems.
the minimum requirements
the maximum requirements
formulaic reciprocity
CAD based drawings
- 2. Multiple Choice
The most common type of sprinkler system in use today is ______.
a wet system
a dry system
a preaction system
an antifreeze system
- 3. Multiple Choice
A wet pipe system shall be provided with a listed relief valve not less than ___ in size and set to operate at 175 psi or 10 psi in excess of the maximum system pressure.
1/4"
1/2"
3/4"
1"
- 4. Multiple Choice
The dry pipe valve and supply pipe _____ against freezing and mechanical injury.
should be protected
shall be protected
might need to be protected
should never need protection
- 5. Multiple Choice
For dry pipe systems, with the exception of some refrigerated spaces, the air supply shall have a capacity capable of restoring normal air pressure in the system within _____.
60 seconds
10 minutes
30 minutes
60 minutes
- 6. Multiple Choice
The connection pipe from the air supply to the dry pipe valve shall not be less than _____ in diameter and shall enter the sytem aove the priming water level of the dry pipe valve.
1/4 inch
1/2 inch
3/4 inch
1 inch
- 7. Multiple Choice
For deluge systems, the detection devices or systems shall be _____ supervised.
automatically
manually
automatically or manually
hydraulically
- 8. Multiple Choice
________ shall not be used in lieu of heated valve enclosures to protect the valve and supply pipe from freezing.
heat tracing
body heat
heat paint
a small gas torch
- 9. Multiple Choice
A ________ with a connection conforming to section 16.7 shall be provided on each wet pipe system utilizing metallic pipe.
priming valve
single mechanical outlet
single air vent
contoured steel pipe
- 10. Multiple Choice
Dry pipe systems are _______ than wet pipe systems and require greater attention regarding their design, installation, and maintenance.
less complicated
more complex
cheaper to install
slightly heavier
- 11. Multiple Choice
For dry pipe systems protecting dwelling unit portions of any occupancy, system size shall be such that initial water is discharged from the connection in not more than ____, starting at the normal air pressure on the system and at the time of fully opened inspection test connection.
60 seconds.
30 seconds
20 seconds
15 seconds
- 12. Multiple Choice
Dry pipe systems that are limited to a maximum volume of 500 gallons (or 750 gallons with a quick opening device) have _____ water delivery time limit.
no required
a 15 second
a 30 second
a 60 second
- 13. Multiple Choice
Unless __________, check valves shall not be used to subdivide the dry pipe systems.
given prior written authorization
requested by the manufacturer
installed in a heated enclosure
obtained from a wholesaler
- 14. Multiple Choice
In refrigerated spaces maintained below 5°F, normal system air pressure shall be permitted to be restored within ___ minutes.
15
30
45
60
- 15. Multiple Choice
A single air compressor supplying multiple dry pipe systems is _____ to restore all systems simultaneously.
required
encouraged
not expected
obligated
- 16. Multiple Choice
A ________ shall be installed in the air filling connection.
tamper switch
check valve
flexible hose of the appropriate thickness
ventilation device
- 17. Multiple Choice
Each dry pipe system shall have ______.
a flow capability of at least 3cu.ft/min
a vane type water flow alarm
CPVC adapters listed for dry system use
a dedicated air maintenance device
- 18. Multiple Choice
Removal of an electric actuator from the preaction or deluge valve that it controls shall result in an _______.
increased water flow velocity
audible and visual indication of system impairment
automatic system restart
immediate flow of water from most activated sprinklers
- 19. Multiple Choice
For single and non-interlock preaction systems, not more than ___ automatic sprinklers shall be controlled by any one preaction valve.
100
200
500
1000
- 20. Multiple Choice
If a fire protection system installed prior to 2012 still uses antifreeze in the system, you must at a minimum _______.
flush the system and replace with a listed noncombustible replacement solution
collect the solution drained from the system to use for refilling
remove the system piping and install a dry pipe valve
determine that the specific gravity of the solution is within tolerable limits
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