My Sprinkler System Questions With
Complete Solutions
What are the two "seats" in a modern dry pipe valve? - ANS * Low-Pressure water and
High-Pressure water
Air and water**
Oil and water
Air and oil
Air Leakage Tests are to be done how often on DPV's? - ANS every year
every 10 years
every 5 years
* every 3 years
What does OS&Y stand for? - ANS * Outdoor screw and Yoke
Outside Screw and Yard
Outside Stem and Yolk
Outswing and Yoke
What is the main disadvantage of a dry sprinkler system compared to a wet system? - ANS
* It takes longer to get the water to the open sprinklers
It can cause unnecessary water damage
It's too noisy
It requires more sprinklers to open
How often should antifreeze solutions be tested? - ANS Every 5 years
Every 3 years
Every 15 years
* Annually
If you wanted to find out if a piece of sprinkler equipment is "listed", you could look up the
product's description and listing criteria in: - ANS * NFPA -13 "Standard for the Installation
of Sprinkler Systems"
Manufacturer's product data sheet, available online
BC Building Code
BC Fire Code
, What is the name of the NFPA standard for the installation of sprinkler systems? - ANS
NFPA 25
NFPA 10
* NFPA 13
NFPA 04
A list of the sprinklers installed in the property shall be posted in the sprinkler cabinet - ANS
false
* true
You have inspected the boiler room of an existing building and estimate that the normal ceiling
temperature in the room is slightly above 100 degrees F (38
degrees C.) You observe that the sprinklers in the room have yellow liquid-filled bulbs. Is this an
appropriate sprinkler for this room? - ANS * False
True
According to surveys what percentage of fires are effectively controlled or extinguished in fully
sprinklered buildings? - ANS 96%
88%**
* 99%
94%
One of these devices is NOT a false alarm preventing device; Which one? - ANS Retard
chamber
Pressure relief valve **
* Excess pressure pump
Time-delay flow switch
What is the maximum amount of time permitted for the air supply to
properly re-pressurize the dry system to the normal operationally ready
pressure after the dry system has been drained and all mechanical parts
reset? - ANS * 30 minutes
1 hour
10 minutes
45 minutes
What is a necessary feature of all sprinkler systems? - ANS An automated pump
* An alarm system to summon help
A way to monitor water levels
Freeze protection
A new fire hose is due for hydrostatic testing in how many years after manufacture? - ANS
after 3 years
after 4 years
Complete Solutions
What are the two "seats" in a modern dry pipe valve? - ANS * Low-Pressure water and
High-Pressure water
Air and water**
Oil and water
Air and oil
Air Leakage Tests are to be done how often on DPV's? - ANS every year
every 10 years
every 5 years
* every 3 years
What does OS&Y stand for? - ANS * Outdoor screw and Yoke
Outside Screw and Yard
Outside Stem and Yolk
Outswing and Yoke
What is the main disadvantage of a dry sprinkler system compared to a wet system? - ANS
* It takes longer to get the water to the open sprinklers
It can cause unnecessary water damage
It's too noisy
It requires more sprinklers to open
How often should antifreeze solutions be tested? - ANS Every 5 years
Every 3 years
Every 15 years
* Annually
If you wanted to find out if a piece of sprinkler equipment is "listed", you could look up the
product's description and listing criteria in: - ANS * NFPA -13 "Standard for the Installation
of Sprinkler Systems"
Manufacturer's product data sheet, available online
BC Building Code
BC Fire Code
, What is the name of the NFPA standard for the installation of sprinkler systems? - ANS
NFPA 25
NFPA 10
* NFPA 13
NFPA 04
A list of the sprinklers installed in the property shall be posted in the sprinkler cabinet - ANS
false
* true
You have inspected the boiler room of an existing building and estimate that the normal ceiling
temperature in the room is slightly above 100 degrees F (38
degrees C.) You observe that the sprinklers in the room have yellow liquid-filled bulbs. Is this an
appropriate sprinkler for this room? - ANS * False
True
According to surveys what percentage of fires are effectively controlled or extinguished in fully
sprinklered buildings? - ANS 96%
88%**
* 99%
94%
One of these devices is NOT a false alarm preventing device; Which one? - ANS Retard
chamber
Pressure relief valve **
* Excess pressure pump
Time-delay flow switch
What is the maximum amount of time permitted for the air supply to
properly re-pressurize the dry system to the normal operationally ready
pressure after the dry system has been drained and all mechanical parts
reset? - ANS * 30 minutes
1 hour
10 minutes
45 minutes
What is a necessary feature of all sprinkler systems? - ANS An automated pump
* An alarm system to summon help
A way to monitor water levels
Freeze protection
A new fire hose is due for hydrostatic testing in how many years after manufacture? - ANS
after 3 years
after 4 years
