10 exam-style questions with answers and explanations, straight from our 1,050-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
The CWBSP exam has 100 questions and runs 3 hours.
These 10 free CWBSP questions are organized by exam domain, so you can see how each part of the Certified Water-Based Systems Professional (CWBSP) blueprint is tested. Reveal the answer and explanation under each question.
A designer is engaged for a 4-story apartment building. The owner's contract specifies design in accordance with NFPA 13R to reduce cost. During design, the designer determines the building contains an enclosed parking garage at grade level. Which of the following is the MOST accurate statement regarding the parking garage?
Correct answer: D - The garage must be protected in accordance with NFPA 13 criteria
An owner refuses to provide commodity classification and storage height information for a warehouse project, stating that the tenant has not yet been identified. The designer's MOST appropriate course of action is to:
Correct answer: D - Advise that the required owner information must be provided before the design basis can be established
A project specification written by the architect requires a design density less stringent than that required by the applicable NFPA standard for the identified hazard. Which governs the design?
Correct answer: A - The NFPA standard, because the specification cannot reduce a code-required minimum
A freezer warehouse operating at -10°F requires sprinkler protection. The owner's primary concern is preventing inadvertent water discharge from mechanical damage to sprinklers by forklift traffic. Which system type BEST addresses both the freezing condition and the owner's stated concern?
Correct answer: B - Double-interlock preaction system
Annual main drain test records for an existing building show static pressure has remained steady at 68 psi over five years, but residual pressure during the test has declined from 52 psi to 34 psi over the same period. This pattern MOST likely indicates:
Correct answer: A - A partially closed valve or developing obstruction in the supply
A designer is extending an existing sprinkler system to serve a building addition. The existing system was designed and installed under a substantially older edition of NFPA 13 and does not meet several current requirements. Regarding the EXISTING portion of the system, the designer should recognize that:
Correct answer: B - The extent of any required upgrade is governed by the scope of the modification and the AHJ
A pendent sprinkler is positioned 18 in. horizontally from a continuous duct that is 8 in. wide. Applying the three times rule, the position is:
Correct answer: D - Not acceptable, because 24 in. of separation is required
A fire pump must take suction from a below-grade water storage reservoir where the water level is consistently below the pump centerline. Which pump type is required?
Correct answer: D - Vertical turbine
A fire pump is rated at 750 gpm at 100 psi. At 1,125 gpm, the pump's discharge pressure must be:
Correct answer: A - Not less than 65 psi
A fire pump is rated at 125 psi. The maximum permissible churn (shutoff) pressure for this pump is:
Correct answer: C - 175 psi
The CWBSP exam also covers these domains. Drill them in the full free practice test:
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