NICET Level 1 Water Based
Systems Layout NFPA13
Comprehensive Questions
(Frequently Tested) with
Verified Answers
The document that provides the designer with information about the intended use of the building -
Answer: Owner's certificate NFPA 13-4.2
A K-8.0 sprinkler has _________ of the nominal discharge of a K-5.6 sprinkler - Answer: 140% NFPA 13-
Table 7.2.2.1
Where the design is based on the density/area method, the design area shall be a rectangular area
having a dimension parallel to the branch lines at least _____ times the square root of the sprinkler
operation. - Answer: 1.2 NFPA 13-28.2.4.2.1
An intermediate level between the floor and ceiling of a level would be considered a ____ - Answer:
Mezzanine IBC-Section 202 Definitions
Which of the following shall be included with water supply capacity information - Answer: Flow location,
residual pressure. NFPA 13-4.5.1
What NFPA standard refers to the Standard for the Installation of Standpipe and Hose Systems - Answer:
14 NFPA 13-ch.2
The stock of a spare sprinklers for a protection facility having 400 sprinklers shall be no less than ____ -
Answer: 12 NFPA 13-16.2.7.5
What type of pipe or tubing would have the least amount of friction loss - Answer: Plastic NFPA 13-Table
28.2.4.8.1
,What class of standpipe is intended for use by trained personnel - Answer: Class II NFPA 14-3.3.22.2
All of the following materials shall be classified as group C except_____
Polystyrene
Melamine
Fluoroplastics
Phenolic - Answer: Polystyrene NFPA 13-20.4.7
Occupancies where the quantity and combustibility of contents are very high, and dust, lint or other
materials are present, introducing the probability of rapidly developing fires with high rates of heat
release but with little or no combustible or flammable liquids are classified as ___ - Answer: Extra hazard
(Group 2) NFPA 13-3.3.141.1
All threaded pipe and fittings shall have threads cut to which standard - Answer: ASME B1.20.1 NFPA 13-
7.4.1
Consider the hydrant shown. What coefficient would be used to calculate the discharge (Q) during flow
testing. (outlet smooth and rounded - Answer: .9 NFPA 291 - Figure 4.9.1
What is the device shown in the image below - Answer: Pitot Gauge - Equipment
NFPA 13 requires a single air vent to be provided on wet pipe systems utilizing metallic pipe. What is the
purpose of the air vent? - Answer: Reduce corrosion activity NFPA 13-A.16.7
You are using a power tool that has a 3-prong (grounded) plug. Unfortunately, the only outlets available
are 2 prong (non grounded) What action is required? - Answer: Locate a 3-prong plug or use a tool with
a 2-prong plug - Osha
The maximum floor area of the hydraulically calculated extra hazard classification system that can be
supported from one sprinkler riser is____? - Answer: 40,000 sf. NFPA 13-4.4.1(3)
A ceiling with a slope of 2 in 12 would be considered - Answer: Horizontal NFPA 13-3.3.28.2
, 1.
What is the item pictured here? item that is a horse shoe shape with a beveled top piece and hole in
the center of the top piece - Answer: Clevis Hanger NFPA 13-A.17.1
The NFPA 13 standard applies to which of the following?
FACP's
Fittings
Piping
Halon
Valves
Selection of sprinklers
Dialers - Answer: Fittings
Piping
Valves
Selection of sprinklers
NFPA 13-1.3.1
Sprinklers should only be painted by the manufacturer - Answer: True NFPA 13-7.2.5.2
When a single main less than _____ diameter serves both domestic and fire systems, the domestic
demand shall be added to the hydraulic calculations for the fire system at the point of connection unless
provisions have been made to isolate domestic demand - Answer: 4" NFPA 13-5.1.3.3
Paddle-type waterflow alarm indicators shall be installed in which of the following systems only -
Answer: Wet systems NFPA 13-16.11.3.4
What is not considered a residential occupancy per NFPA 13R - Answer: Single family dwelling NFPA
13R-3.3.10
Systems Layout NFPA13
Comprehensive Questions
(Frequently Tested) with
Verified Answers
The document that provides the designer with information about the intended use of the building -
Answer: Owner's certificate NFPA 13-4.2
A K-8.0 sprinkler has _________ of the nominal discharge of a K-5.6 sprinkler - Answer: 140% NFPA 13-
Table 7.2.2.1
Where the design is based on the density/area method, the design area shall be a rectangular area
having a dimension parallel to the branch lines at least _____ times the square root of the sprinkler
operation. - Answer: 1.2 NFPA 13-28.2.4.2.1
An intermediate level between the floor and ceiling of a level would be considered a ____ - Answer:
Mezzanine IBC-Section 202 Definitions
Which of the following shall be included with water supply capacity information - Answer: Flow location,
residual pressure. NFPA 13-4.5.1
What NFPA standard refers to the Standard for the Installation of Standpipe and Hose Systems - Answer:
14 NFPA 13-ch.2
The stock of a spare sprinklers for a protection facility having 400 sprinklers shall be no less than ____ -
Answer: 12 NFPA 13-16.2.7.5
What type of pipe or tubing would have the least amount of friction loss - Answer: Plastic NFPA 13-Table
28.2.4.8.1
,What class of standpipe is intended for use by trained personnel - Answer: Class II NFPA 14-3.3.22.2
All of the following materials shall be classified as group C except_____
Polystyrene
Melamine
Fluoroplastics
Phenolic - Answer: Polystyrene NFPA 13-20.4.7
Occupancies where the quantity and combustibility of contents are very high, and dust, lint or other
materials are present, introducing the probability of rapidly developing fires with high rates of heat
release but with little or no combustible or flammable liquids are classified as ___ - Answer: Extra hazard
(Group 2) NFPA 13-3.3.141.1
All threaded pipe and fittings shall have threads cut to which standard - Answer: ASME B1.20.1 NFPA 13-
7.4.1
Consider the hydrant shown. What coefficient would be used to calculate the discharge (Q) during flow
testing. (outlet smooth and rounded - Answer: .9 NFPA 291 - Figure 4.9.1
What is the device shown in the image below - Answer: Pitot Gauge - Equipment
NFPA 13 requires a single air vent to be provided on wet pipe systems utilizing metallic pipe. What is the
purpose of the air vent? - Answer: Reduce corrosion activity NFPA 13-A.16.7
You are using a power tool that has a 3-prong (grounded) plug. Unfortunately, the only outlets available
are 2 prong (non grounded) What action is required? - Answer: Locate a 3-prong plug or use a tool with
a 2-prong plug - Osha
The maximum floor area of the hydraulically calculated extra hazard classification system that can be
supported from one sprinkler riser is____? - Answer: 40,000 sf. NFPA 13-4.4.1(3)
A ceiling with a slope of 2 in 12 would be considered - Answer: Horizontal NFPA 13-3.3.28.2
, 1.
What is the item pictured here? item that is a horse shoe shape with a beveled top piece and hole in
the center of the top piece - Answer: Clevis Hanger NFPA 13-A.17.1
The NFPA 13 standard applies to which of the following?
FACP's
Fittings
Piping
Halon
Valves
Selection of sprinklers
Dialers - Answer: Fittings
Piping
Valves
Selection of sprinklers
NFPA 13-1.3.1
Sprinklers should only be painted by the manufacturer - Answer: True NFPA 13-7.2.5.2
When a single main less than _____ diameter serves both domestic and fire systems, the domestic
demand shall be added to the hydraulic calculations for the fire system at the point of connection unless
provisions have been made to isolate domestic demand - Answer: 4" NFPA 13-5.1.3.3
Paddle-type waterflow alarm indicators shall be installed in which of the following systems only -
Answer: Wet systems NFPA 13-16.11.3.4
What is not considered a residential occupancy per NFPA 13R - Answer: Single family dwelling NFPA
13R-3.3.10
