NICET LEVEL 1-WATER BASED LAYOUT
VERSION 2 EXAM 2026/2027 WITH ACTUAL
CORRECT QUESTIONS AND VERIFIED
DETAILED ANSWERS |CURRENTLY TESTING
QUESTIONS AND SOLUTIONS|ALREADY
GRADED A+|NEWEST |BRAND NEW
VERSION|JUST RELEASED!!
What is the typical activation temperature for an ordinary temperature sprinkler?
155°F - NFPA 13 (7.2.4.1)
What is the minimum clearance between pipe and ceiling?
1 inch - NFPA 13
Hangers shall be designed to support ______ times the weight of water-filled pipe PLUS
_______ pounds...
Hangers shall be designed to support FIVE (5) times the weight of water-filled pipe PLUS 250
pounds... NFPA 13 (17.1.2)
How frequently must waterflow alarms be tested?
Quarterly - NFPA 25
68. What does the term "hydraulic remote area" refer to?
Hydraulically most demanding area
How is friction loss calculated in a sprinkler system?
Hazen-Williams - NFPA 13 (28.2.2.1)
1|Page
,What is the equivalent length of a schedule 40, 2", butterfly valve?
6' feet, NFPA 13 (Table 28.2.3.1.1)
What is the required duration of water supply for an ordinary hazard system?
250 gpm for 60 OR 90 minutes
NFPA (Table 19.2.3.1.2)
What is the nominal orifice size of a K5.6 sprinkler?
1/2 inch
NFPA 13 (table A.7.2.2.1)
Define the purpose of NFPA 13.
To establish minimum requirements for the design and installation of automatic fire sprinkler
systems.
State the NFPA 13 requirement for sprinkler coverage in unobstructed ceilings.
Coverage must not exceed the maximum allowable spacing and area as per Table 10.2.4.2.1(a).
What chapter establishes sprinkler system design densities for specific hazards?
NFPA 13 (2022), Chapter 19 - Design Approaches
Identify the chapter that specifies installation of underground piping.
Chapter 6 - Installation Underground Piping
NFPA 13 (2022)
Systems should be hydrodstatically tested at ______ psi and maintain that pressure for ______
hours.
2|Page
,200 psi for 2 hours
NFPA 13 (2022) - 29.2.1.1
For storage applications, with a required density greater than that of 0.34gpm/sqft... whats the
minimum allowable sprinkler K factor?
K-8.0
NFPA 13 (2022) - 21.1.2
How many spare sprinklers need to be provided for a facility that has 468 installed sprinklers?
"No fewer than 12 sprinklers"
NFPA 13 2022 (16.2.7.5)
Maximun floor area of one sprinkler system in a Extra Hazard area? (square foot)
40,000 sqft per system
NFPA 13 2022 (4.4.1)
What is the maximum distance between sprinklers in a Ordinary Hazard occupancy (standard
spray)?
15 feet
NFPA 13 2022 ( Table 10.2.4.2.1(b) )
The minimum pipe size for a private service main that supplies fire hydrants is what size?
6 inches
T/F: If two bathrooms are adjacent to one another and are enclosed with walls, they are
separate rooms.
3|Page
, True
The National Fire Alarm and Signaling Code is which of the NFPA Codes?
NFPA 72
A hydrostatic test for a sprinkler system with a static pressure of 182 psi is being conducted. The
system should be tested at _____ psi.
232 psi
Add 50psi for hydrostatic test.
Mechanical waterflow alarms are required to have the alarm sound within 5 minutes after the
flow starts. The differs from electrical waterflow alarms, which are required to have the alarm
sound within _____ seconds after the flow begins.
100 seconds
NFPA 13 2022 (7.7.2)
Which of the following publications should be used when looking for information regarding
seamless copper tube?
ASTM B75
found in NFPA 13 2022 (Table 7.3.1.1)
A preaction valve may require both a detection system to operate and a sprinkler to fuse to
allow water to flow, depending on the type of preaction system.
True
What is Chapter 4 in the NFPA 13 2022?
General Requirements
What is Chapter 2 in the NFPA 13 2022?
4|Page
VERSION 2 EXAM 2026/2027 WITH ACTUAL
CORRECT QUESTIONS AND VERIFIED
DETAILED ANSWERS |CURRENTLY TESTING
QUESTIONS AND SOLUTIONS|ALREADY
GRADED A+|NEWEST |BRAND NEW
VERSION|JUST RELEASED!!
What is the typical activation temperature for an ordinary temperature sprinkler?
155°F - NFPA 13 (7.2.4.1)
What is the minimum clearance between pipe and ceiling?
1 inch - NFPA 13
Hangers shall be designed to support ______ times the weight of water-filled pipe PLUS
_______ pounds...
Hangers shall be designed to support FIVE (5) times the weight of water-filled pipe PLUS 250
pounds... NFPA 13 (17.1.2)
How frequently must waterflow alarms be tested?
Quarterly - NFPA 25
68. What does the term "hydraulic remote area" refer to?
Hydraulically most demanding area
How is friction loss calculated in a sprinkler system?
Hazen-Williams - NFPA 13 (28.2.2.1)
1|Page
,What is the equivalent length of a schedule 40, 2", butterfly valve?
6' feet, NFPA 13 (Table 28.2.3.1.1)
What is the required duration of water supply for an ordinary hazard system?
250 gpm for 60 OR 90 minutes
NFPA (Table 19.2.3.1.2)
What is the nominal orifice size of a K5.6 sprinkler?
1/2 inch
NFPA 13 (table A.7.2.2.1)
Define the purpose of NFPA 13.
To establish minimum requirements for the design and installation of automatic fire sprinkler
systems.
State the NFPA 13 requirement for sprinkler coverage in unobstructed ceilings.
Coverage must not exceed the maximum allowable spacing and area as per Table 10.2.4.2.1(a).
What chapter establishes sprinkler system design densities for specific hazards?
NFPA 13 (2022), Chapter 19 - Design Approaches
Identify the chapter that specifies installation of underground piping.
Chapter 6 - Installation Underground Piping
NFPA 13 (2022)
Systems should be hydrodstatically tested at ______ psi and maintain that pressure for ______
hours.
2|Page
,200 psi for 2 hours
NFPA 13 (2022) - 29.2.1.1
For storage applications, with a required density greater than that of 0.34gpm/sqft... whats the
minimum allowable sprinkler K factor?
K-8.0
NFPA 13 (2022) - 21.1.2
How many spare sprinklers need to be provided for a facility that has 468 installed sprinklers?
"No fewer than 12 sprinklers"
NFPA 13 2022 (16.2.7.5)
Maximun floor area of one sprinkler system in a Extra Hazard area? (square foot)
40,000 sqft per system
NFPA 13 2022 (4.4.1)
What is the maximum distance between sprinklers in a Ordinary Hazard occupancy (standard
spray)?
15 feet
NFPA 13 2022 ( Table 10.2.4.2.1(b) )
The minimum pipe size for a private service main that supplies fire hydrants is what size?
6 inches
T/F: If two bathrooms are adjacent to one another and are enclosed with walls, they are
separate rooms.
3|Page
, True
The National Fire Alarm and Signaling Code is which of the NFPA Codes?
NFPA 72
A hydrostatic test for a sprinkler system with a static pressure of 182 psi is being conducted. The
system should be tested at _____ psi.
232 psi
Add 50psi for hydrostatic test.
Mechanical waterflow alarms are required to have the alarm sound within 5 minutes after the
flow starts. The differs from electrical waterflow alarms, which are required to have the alarm
sound within _____ seconds after the flow begins.
100 seconds
NFPA 13 2022 (7.7.2)
Which of the following publications should be used when looking for information regarding
seamless copper tube?
ASTM B75
found in NFPA 13 2022 (Table 7.3.1.1)
A preaction valve may require both a detection system to operate and a sprinkler to fuse to
allow water to flow, depending on the type of preaction system.
True
What is Chapter 4 in the NFPA 13 2022?
General Requirements
What is Chapter 2 in the NFPA 13 2022?
4|Page
