Plumber Exam Practice 2024

 

PLUMBING Exam Practice 

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1. How much does a full 50-gallon water heater weigh? (assume the heater weighs 210 lbs. empty)

 
 
 
 

2. You are trying to locate the restroom wall that will receive the plumbing waste pipes. You refer to the plumbing drawing and note the scale is ⅛ of an inch per foot. Your ruler measures a length of 14 ¼ inches and your scale indicates ⅛ per foot fall. What is the length of the wall?

 
 
 
 

3. You have an offset of 24 inches and you are making a 45° offset. What is the travel length?

 
 
 
 

4. You are figuring the free area of the opening needed to supply the combustion air to a water heater in an enclosure. The opening you have installed communicates freely with the outdoors. What is the minimum size in square inches of the opening needed to supply each 3000 btus of the heater?

 
 
 
 

5. When water pressure being supplied to a single-family residence is in excess of psi a pressure reducing valve is required to be installed to reduce the pressure to a level below the maximum allowable pressure.

 
 
 
 

6. Which of the following is true about vents and indirect waste piping?

 
 
 
 
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7. Your job has you roughing in plumbing for a public restroom. The general contractor wants you to install two toilets, one urinal, one shower and one drinking fountain in the restroom for males. The female bathroom will not have a urinal, but it will require a bidet. Which of the following is not allowed to be installed in a public restroom?

 
 
 
 

8. Spencer is installing a new plumbing system. The building drain will exit the foundation below a concrete footing. Foundation walls are to be made of poured concrete. The plans and specifications call for three exterior hose bib connections. This will require three piping penetrations through the upper section of the concrete walls on each side of the building and one pipe penetration through the wall on a lower section where the walk-out basement will not be back filled as high as it will be on the sides. There will be a total of four pipe penetrations in various locations. Each pipe is required to be protected by a sleeve as the pipe penetrates an exterior wall. What is the minimum size of the sleeve required or the minimum protection for the penetration?

 
 
 
 

9. Consider this example. Jeff is a master plumber. He has been asked to provide plumbing for a warehouse that will be located in an area subject to flooding. The warehouse will have a concrete floor and will have only one level of service area. Most of the plumbing will be installed below the concrete floor. Given the risk of potential flooding, Jeff is required to protect against which of the following?

 
 
 
 

10. When plumbing inspectors are inspecting the installation of plumbing fixtures they may consider which of the following in their decisions to approve or reject an installation?

 
 
 
 

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Question 1 of 10

 

 

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What Is the Plumber Exam?

The Plumbing Exam serves as a crucial assessment to validate a test taker’s competence in the field, ensuring that they meet the standards set by their respective state for licensure as a Plumber.

To become a licensed Plumber, individuals must adhere to their state’s specific standards. A Master Plumber, under the supervision of a Responsible Master Plumber, is authorized to undertake tasks such as installation, alteration, repair, servicing, or renovation of plumbing systems.

The Journeyman Plumber Exams consist of state-specific assessments designed to evaluate whether an individual possesses the requisite skills and knowledge to work as a certified or licensed plumber at the journeyman level within a particular state. These exams play a crucial role in determining the proficiency of candidates and ensuring they meet the established criteria for performing plumbing duties at this level of expertise. Successful completion of these state-specific exams is often a prerequisite for obtaining journeyman-level licensure in plumbing.

What Does the Plumber Exam Cover?

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The Plumbing Exam covers a comprehensive range of subjects to assess a candidate’s knowledge and competence in various aspects of plumbing. The exam includes questions related to the following key subjects:

  1. Plumbing Fixtures, Fittings, and Appliances
  2. Water Supply Systems
  3. Indirect Waste
  4. Drainage, Waste, and Vents
  5. Roof Drain Piping
  6. Specialty Plumbing
  7. General Plumbing Knowledge and Regulations
  8. Isometric Analysis
  9. Safety
  10. Traps, Interceptors, and Backflow Prevention
  11. Materials, Uses, and Specifications
  12. Business Organization and Management

Candidates preparing for the exam should be well-versed in these subjects to demonstrate proficiency in plumbing practices, regulations, and safety protocols. The diverse range of topics reflects the comprehensive nature of the plumbing profession and ensures that individuals are equipped with the necessary knowledge to excel in the field.

Plumbing license exams vary across states, but they typically include the following categories:

  1. Codes: Most states adopt either the IPC (International Plumbers Code) or UPC (Uniform Plumbers Code) plumbing codes. Additionally, knowledge of the National Fuel Gas Code or Uniform Mechanical Code may be required.

  2. General Knowledge: This category covers a broad spectrum of topics, including design and installation, workplace safety, and basic concepts of electricity. Test-takers should have a solid understanding of fundamental principles relevant to plumbing practices.

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    Math & Plans: Real-world math skills are essential for daily tasks in the plumbing profession. Expect questions that involve basic pipe length calculations and a comprehensive understanding of physics, volume, and pressure as applied to plumbing scenarios.

  4. Pipefitting: This category assesses knowledge related to the use and inspection of basic equipment and hardware. It also covers the basic layout and installation of pipes, requiring a practical understanding of pipefitting processes.

Preparation for the plumbing license exam should encompass these diverse categories, ensuring that candidates are well-versed in codes, general knowledge, mathematical concepts, and practical pipefitting skills. A comprehensive understanding of these subjects is crucial for success in obtaining a plumbing license.

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