Sprinkler System Inspection,
Testing, and Maintenance Time
tables Questions And Answers
How frequently should Control Valves be inspected - Correct Answer - Sealed: weekly
m m m m m m m m mm m m m
Locked:Monthly
Tamper Switch: Monthly m m
How frequently should Control Valves be maintenanced? - Correct Answer - Yearly
m m m m m m m m mm m m
NFPA 25 mandates Main Drains are to be tested? - Correct Answer - Quarterly
m m m m m m m m m m mm m m
Risers that are 4 inches or larger are equipped with a ___ inch main drain? - Correct Answer - 2
m m m m m m m m m m m m m m m m mm m m
The main drain test is useful for detecting impairments such as? - Correct Answer - closed valved,
m m m m m m m m m m m m mm m m m
obstructions, or gradual deterioration in the water supply p548
m m m m m m m m m
On a system using an alarm check valve, the pressure reading should be taken from the? - Correct Answer
m m m m m m m m m m m m m m m m m mm
- Lower gauge, because the check valve can trap pressure. p549
m m m m m m m m m m m
When performing a main drain test, what are potential issues if the new readings are significantly
m m m m m m m m m m m m m m m
different than previously recorded readings? - Correct Answer - partially closed supply valve, obstruction
m m m m m m m mm m m m m m m
in th esupply line, or faulty back-flow preventer.
m m m m m m m m m
p.549
During a dry pipe sprinkler inspection, pressure is maintained at ____ to ____psi above the trip point. -
m m m m m m m m m m m m m m m m m
Correct Answer - 15-20 psi
m mm m m m
During a dry pipe sprinkler inspection, what should be done if inspectors note excessive air pressure in the
m m m m m m m m m m m m m m m m m
system? - Correct Answer - They should have the system drained.
m m m mm m m m m m m m m
p. 550 m
What is the minimum number of replacement sprinklers that must be available? - Correct Answer - one
m m m m m m m m m m m m m mm m m
sprinkler for each type and temperature rating as well as a sprinkler wrench.
m m m m m m m m m m m m m
The distortion of a material caused by the repeated heating of a fusible link to near its operating
m m m m m m m m m m m m m m m m m
temperature is called? - Correct Answer - Cold Flow
m m m m m mm m m m m
Testing, and Maintenance Time
tables Questions And Answers
How frequently should Control Valves be inspected - Correct Answer - Sealed: weekly
m m m m m m m m mm m m m
Locked:Monthly
Tamper Switch: Monthly m m
How frequently should Control Valves be maintenanced? - Correct Answer - Yearly
m m m m m m m m mm m m
NFPA 25 mandates Main Drains are to be tested? - Correct Answer - Quarterly
m m m m m m m m m m mm m m
Risers that are 4 inches or larger are equipped with a ___ inch main drain? - Correct Answer - 2
m m m m m m m m m m m m m m m m mm m m
The main drain test is useful for detecting impairments such as? - Correct Answer - closed valved,
m m m m m m m m m m m m mm m m m
obstructions, or gradual deterioration in the water supply p548
m m m m m m m m m
On a system using an alarm check valve, the pressure reading should be taken from the? - Correct Answer
m m m m m m m m m m m m m m m m m mm
- Lower gauge, because the check valve can trap pressure. p549
m m m m m m m m m m m
When performing a main drain test, what are potential issues if the new readings are significantly
m m m m m m m m m m m m m m m
different than previously recorded readings? - Correct Answer - partially closed supply valve, obstruction
m m m m m m m mm m m m m m m
in th esupply line, or faulty back-flow preventer.
m m m m m m m m m
p.549
During a dry pipe sprinkler inspection, pressure is maintained at ____ to ____psi above the trip point. -
m m m m m m m m m m m m m m m m m
Correct Answer - 15-20 psi
m mm m m m
During a dry pipe sprinkler inspection, what should be done if inspectors note excessive air pressure in the
m m m m m m m m m m m m m m m m m
system? - Correct Answer - They should have the system drained.
m m m mm m m m m m m m m
p. 550 m
What is the minimum number of replacement sprinklers that must be available? - Correct Answer - one
m m m m m m m m m m m m m mm m m
sprinkler for each type and temperature rating as well as a sprinkler wrench.
m m m m m m m m m m m m m
The distortion of a material caused by the repeated heating of a fusible link to near its operating
m m m m m m m m m m m m m m m m m
temperature is called? - Correct Answer - Cold Flow
m m m m m mm m m m m
