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CWBSP全真問題集 & CWBSP出題範囲

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NFPA CWBSP 認定試験の出題範囲：

トピック
出題範囲

トピック 1

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.

トピック 2

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.

トピック 3

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.

トピック 4

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.

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試験CWBSP全真問題集 & 一生懸命にCWBSP出題範囲 | 一番優秀なCWBSP最新知識

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NFPA Certified Water-Based Systems Professionals 認定 CWBSP 試験問題 (Q77-Q82):

質問 # 77
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. 3 in. (80 mm) Schedule 40 steel pipe
C. 2.5 in. (65 mm) Schedule 10 steel pipe
D. 2.5 in. (65 mm) Schedule 40 steel pipe

正解：B

解説：
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.

質問 # 78
A owner of a new warehouse wishes to store a Class III product in ordinary cardboard boxes that contain 45 percent by volume expanded plastic. What is the commodity classification?

A. Cartoned, Class IV
B. Cartoned, Class III
C. Cartoned, Group A, expanded plastic
D. Cartoned, Group A, unexpanded plastic

正解：C

解説：
Cardboard boxes containing 45 percent by volume of expanded plastic are classified as Cartoned, Group A, expanded plastic. This classification reflects the high combustibility and potential fire challenge presented by the expanded plastic content.
References: Commodity classification systems in NFPA standards, which categorize materials based on their combustibility and behavior in fire conditions.

質問 # 79
When utilizing ordinary temperature CMDA sprinkler protection for a single-row rack storage of an unencapsulated Class I commodity stored 15 ft (4.6 m) high without in-rack sprinklers with 8 ft (2.4 m) aisles, what is the minimum design density required?

A. 0.54 gpm/ft2 (22 mm/min)
B. 0.20 gpm/ft2 (8.1 mm/min)
C. 0.32 gpm/ft2 (13 mm/min)
D. 0.86 gpm/ft2 (35 mm/min)

正解：B

解説：
For single-row rack storage of an unencapsulated Class I commodity stored up to 15 ft high without in-rack sprinklers and with 8 ft aisles, a design density of 0.20 gpm/ft² is commonly used as a starting point in accordance with NFPA 13 guidelines for ordinary hazard occupancies.
References: NFPA 13's commodity classification and design criteria for sprinkler systems, providing guidance on design densities based on the type of storage and commodity classification.

質問 # 80
For a hydraulically calculated light hazard area under a mezzanine constructed of 2 in. (50 mm) x 14 in. (350 mm) combustible solid wood members spaced 4 ft (1.2 m) on center, what is the maximum protection area for standard upright spray sprinklers?

A. 168 ft2 (15.6 m2)
B. 130 ft2 (12.1 m2)
C. 200 ft2 (18.6 m2)
D. 225 ft2 (20.9 m2)

正解：B

解説：
For a hydraulically calculated light hazard area under a mezzanine with the given construction and spacing, the maximum protection area per standard upright spray sprinkler is typically around 130 ft² (12.1 m²), considering the obstructions and distribution challenges posed by the mezzanine structure.
References: NFPA 13 provides guidelines for the design and installation of sprinkler systems, including considerations for obstructions and beam construction that may affect sprinkler coverage.

質問 # 81
What is the maximum distance an underground main can be installed under the building to the riser location without additional requirements?

A. 10 ft (3 m)
B. 5 ft (1.5 m)
C. 2 ft (0.6 m)
D. 15 ft (4.6 m)

正解：B

解説：
NFPA standards allow a certain distance for underground mains to run under a building to the riser without imposing additional requirements. A distance of up to 5 ft is commonly accepted, providing a practical allowance for connecting the underground water supply to the building's sprinkler system while minimizing potential risks.
References: NFPA guidelines for the installation of fire sprinkler systems, including considerations for underground water supply connections.

質問 # 82
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