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NFPA CWBSP Exam Syllabus Topics:

Topic
Details

Topic 1

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 2

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.

Topic 3

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 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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NFPA CWBSP Valid Test Notes, Reliable CWBSP Test Topics

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NFPA Certified Water-Based Systems Professionals Sample Questions (Q18-Q23):

NEW QUESTION # 18
Using the Hazen-Williams formula, determine the friction loss in 150 ft (45.7 m) of 1 in. (25 mm) black steel schedule
40 pipe, flowing 30 gpm (115 lpm) in a wet system.

A. 52.2 psi (3.6 bar)
B. 27.5 psi (1.89 bar)
C. 41.3 psi (2.93 bar)
D. 57.9 psi (3.99 bar)

Answer: B

Explanation:
Using the Hazen-Williams formula, the friction loss in 150 feet of 1-inch black steel schedule 40 pipe flowing
30 gpm in a wet system would be approximately 27.5 psi. This calculation considers the pipe's material, size, length, and flow rate.
References: The Hazen-Williams formula is commonly used in fire protection engineering to estimate friction loss in water pipes based on material, diameter, flow rate, and length.

NEW QUESTION # 19
Annual testing for a 1,500 gpm (5,677 L/min) at 80 psi (1.4 bar) fire pump supporting an attached sprinkler system demand of 1,800 gpm (6,813 L/min) at 100 psi (6.9 bar) is being conducted. The flow test of the fire pump must achieve what minimum flow rate and discharge pressure?

A. 2,250 gpm (8,516 L/min) at 65 psi (4.5 bar)
B. 1,500 gpm (5,677 L/min) at 80 psi (1.4 bar)
C. 1,600 gpm (6,056 L/min) at 75 psi (5.1 bar)
C
1,800 gpm (6,813 L/min) at 100 psi (6.9 bar)

Answer: A

Explanation:
For annual testing of fire pumps, NFPA standards require the pump to be tested at its rated capacity and pressure, as well as at 150% of its rated capacity at a correspondingly lower pressure. In this scenario, the minimum flow rate required for the test is the demand of the attached sprinkler system, which is 1,800 gpm at
100 psi, to ensure the pump can meet or exceed the system's highest demand.
References: NFPA 13, NFPA 20, and CWBSP materials provide guidance on fire pump testing, indicating that pumps should be tested for both rated and excess capacities to ensure they can handle the required system demand.

NEW QUESTION # 20
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. 22.3 psi (1.54 bar)
B. 34.7 psi (2.4 bar)
C. 54.8 psi (3.78 bar)
D. 15.2 psi (1.1 bar)

Answer: A

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 # 21
In NFPA 13R, shadowed areas shall be permitted in the protection area of a pendant or upright sprinkler as long as the cumulative dry areas do not exceed

A. 5 ft2 (0.46 m2).
B. 15 ft2 (1.4 m2)
C. 10 ft2 (0.93 m2).
D. 12 ft2 (1.1 m2).

Answer: B

Explanation:
NFPA 13R allows for some shadowed (or dry) areas under sprinklers, provided they do not excessively compromise coverage. A cumulative dry area limit of 15 ft² is generally acceptable for residential occupancies, ensuring adequate overall protection while accommodating certain architectural features.
References: NFPA 13R's provisions for residential sprinkler systems, which offer flexibility in coverage to accommodate practical considerations in home layouts.

NEW QUESTION # 22
What is the maximum allowable water delivery time for a dry pipe system protecting an Ordinary Hazard Group II occupancy?

A. 50 seconds
B. 45 seconds
C. 60 seconds
D. 40 seconds

Answer: A

Explanation:
The maximum allowable water delivery time for a dry pipe system protecting an Ordinary Hazard Group II occupancy is addressed under numeral 8.2.3.6

NEW QUESTION # 23
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