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NFPA CWBSP Exam Syllabus Topics:

Topic	Details
Topic 1	Design System Layouts: In this part of the exam, Water-Based Fire Protection System Designers will be tested on their ability to design appropriate water-based fire protection systems. Designers must determine system types, evaluate water supply, and design layouts, including hangers and bracing. The exam will assess compliance with contracts, codes, and standards, as well as coordination with other systems.
Topic 2	Hydraulic Calculations: The hydraulic calculations topic evaluates a designer’s understanding of hydraulic formulas and design methods. Designers will be tested on their ability to apply these principles, particularly in evaluating the hydraulically most remote calculation area. This topic is critical to ensuring the efficiency and effectiveness of the fire protection system.
Topic 3	Survey Existing Systems: This topic tests the designer's skills in reviewing and assessing existing fire protection systems. Designers will be evaluated on their ability to evaluate system components, identify needs, and verify compliance with codes. Additionally, they must demonstrate competence in understanding inspection, testing, and coordinating interfaces between systems to ensure compliance and system adequacy.
Topic 4	Project Development: In this topic of the CWBSP Exam, Water-Based Fire Protection System Designers will be assessed on their ability to understand project scope, identify occupancy types, and review contract documents. Designers will need to demonstrate proficiency in evaluating plans, specifications, and submittal approval requirements, ensuring their capability to manage the foundational stages of a water-based fire protection system design.

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NFPA Certified Water-Based Systems Professionals Sample Questions (Q42-Q47):

NEW QUESTION # 42
An 8 in. (200 mm) Schedule 40 steel main is to be supported from a trapeze hanger. The trapeze hanger is to span between two joists which are 7.5 ft (2.3 m) apart. What is the minimum size of steel pipe the trapeze member is to be made of?

A. 3 in. (80 mm) Schedule 10 steel pipe
B. 2.5 in. (65 mm) Schedule 10 steel pipe
C. 2.5 in. (65 mm) Schedule 40 steel pipe
D. 3 in. (80 mm) Schedule 40 steel pipe

Answer: D

Explanation:
For an 8 in. Schedule 40 steel main supported from a trapeze hanger with a 7.5 ft span, a 3 in. Schedule 40 steel pipe for the trapeze member provides sufficient strength and support for the weight of the main and the water it contains.
References: General engineering practices for supporting piping systems, which include selecting hanger sizes based on the span and load, ensuring stability and safety.

NEW QUESTION # 43
What is the pressure at a sprinkler head with a flow of 33 gpm (125 L/min) with a K-factor of 5.6 (80)?

A. 34.7 psi (2.4 bar)
B. 22.3 psi (1.54 bar)
C. 54.8 psi (3.78 bar)
D. 15.2 psi (1.1 bar)

Answer: B

Explanation:
The pressure at a sprinkler can be calculated using the formula P=Q²/K², where P is the pressure in psi, Q is the flow rate in gpm, and K is the K-factor of the sprinkler. Substituting the given values (Q=33 gpm, K=5.6) yields a pressure of approximately 22.3 psi.
References: Basic hydraulic principles applied in the design and analysis of sprinkler systems as outlined in NFPA 13.

NEW QUESTION # 44
The minimum design criteria for the design of a new sprinkler system in a residential occupancy, with noncombustible concealed spaces, in an NFPA 13 based design is how many residential sprinklers and what density?

A. 4 sprinklers at 0.10 gpm/ft2 (4.1 mm/min)
B. 8 sprinklers at 0.10 gpm/ft2 (4.1 mm/min)
C. 3 sprinklers at 0.05 gpm/ft2 (2.0 mm/min)
D. 2 sprinklers at 0.05 gpm/ft2 (2.0 mm/min)

Answer: A

Explanation:
The minimum design criteria for a new sprinkler system in a residential occupancy, considering noncombustible concealed spaces and based on NFPA 13, would typically involve 4 sprinklers at a density of
0.10 gpm/ft². This provides a baseline level of fire protection suitable for residential settings.
References: NFPA 13 provides design criteria for sprinkler systems in various occupancies, including residential, with specific guidelines for sprinkler quantity and density.

NEW QUESTION # 45
A fire pump must produce at least what percentage of its rated pressure at the 150% flow condition?

A. 65%
B. 50%
C. 100%
D. 120%

Answer: A

Explanation:
A fire pump must produce at least 65% of its rated pressure at the 150% flow condition. This requirement ensures that the pump can still maintain a significant portion of its pressure even when operating beyond its rated capacity, providing a margin of safety.
References: NFPA 20 sets the standards for the installation of stationary pumps for fire protection, including performance requirements at various flow conditions.

NEW QUESTION # 46
What is the required minimum design density/area for protection of floor stacked, idle wood pallets to a height of
8 ft (2.4 m) under a 30 ft (9.1 m) roof deck using high expansion foam with a K11.2 (160) CMDA sprinkler?

A. 0.45 gpm/ft2 (18.3 mm/min) over 2,500 ft2 (230 m2)
B. 0.225 gpm/ft2 (9.15 mm/min) over 1,250 ft2 (115 m2)
C. 0.225 gpm/ft2 (9.15 mm/min) over 2,500 ft2 (230 m2)
D. 0.45 gpm/ft2 (18.3 mm/min) over 1,250 ft2 (115 m2)

Answer: C

Explanation:
For floor-stacked idle wood pallets, a design density of 0.225 gpm/ft² over a minimum design area is typically used for calculating water supply requirements. The larger area option (2,500 ft²) provides a more conservative approach to ensuring adequate protection.
References: Fire protection strategies for storage using NFPA 13 guidelines, considering the specific challenges posed by combustible commodities like wood pallets.

NEW QUESTION # 47
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