NFPA-25 STUDY GUIDE 2026 SPRING SEMESTER TEST QUESTIONS WITH ACCURATE
SOLUTIONS
What is the purpose of a control valve
Control flow to the water based system
What type of testing requires the use of a refractometer.
Antifreeze systems
Sprinklers subject to overspray accumulation shall be protected by using
A thin paper bag
What type of device is used to test flow rates
Pitot gauge
Identify what type of sprinkler is designed to be installed in such a way that the water
stream is directed downward against the deflector
Pendant sprinkler
A class 1 standpipe system is a system that provides "blank" hose connections to water
supply used by fire departments
2 1/2" hose connections
, What type of precautions shall take place prior to entering confined spaces such as tanks,
valve pits, or trenches
Eye, head, and foot protection
All penetrations into the area of cold storage shall be inspected. If an ice obstruction is
found during this inspection, what requirement shall be employed
Additional pipe shall be examined to ensure no ice blockage exists
Internal examination of sprinkler pipe shall be performed at what areas while conducting
an obstruction investigation and prevention?
Sytem valve, the riser, the cross main. Answer all of the above
Nfpa 25 chapter 15 outlines the procedure to follow for impairment of a water based
system. Besides this code requirement what other action shall be followed based on the
impairment
Attachment of a tag
Normally closed valves shall be secured by means of a seal or, be "blank" in accordance
with the applicable nfpa standard?
Electrically supervised
Normally closed valves shall be secured by means of a seal or, be electrically supervised in
accordance with the applicable nfpa standard?
SOLUTIONS
What is the purpose of a control valve
Control flow to the water based system
What type of testing requires the use of a refractometer.
Antifreeze systems
Sprinklers subject to overspray accumulation shall be protected by using
A thin paper bag
What type of device is used to test flow rates
Pitot gauge
Identify what type of sprinkler is designed to be installed in such a way that the water
stream is directed downward against the deflector
Pendant sprinkler
A class 1 standpipe system is a system that provides "blank" hose connections to water
supply used by fire departments
2 1/2" hose connections
, What type of precautions shall take place prior to entering confined spaces such as tanks,
valve pits, or trenches
Eye, head, and foot protection
All penetrations into the area of cold storage shall be inspected. If an ice obstruction is
found during this inspection, what requirement shall be employed
Additional pipe shall be examined to ensure no ice blockage exists
Internal examination of sprinkler pipe shall be performed at what areas while conducting
an obstruction investigation and prevention?
Sytem valve, the riser, the cross main. Answer all of the above
Nfpa 25 chapter 15 outlines the procedure to follow for impairment of a water based
system. Besides this code requirement what other action shall be followed based on the
impairment
Attachment of a tag
Normally closed valves shall be secured by means of a seal or, be "blank" in accordance
with the applicable nfpa standard?
Electrically supervised
Normally closed valves shall be secured by means of a seal or, be electrically supervised in
accordance with the applicable nfpa standard?