Massachusetts Plumbers Journeyman Practice Exam

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Study for the Massachusetts Plumbers Journeyman Exam. Prepare with multiple choice questions, hints, and detailed explanations. Ace your licensing exam with confidence!

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For hubless fittings, at each change of direction, what installation requirement must be met?

A. A hanger must be installed
B. Use a specific type of sealant
C. Apply a certain paint color
D. Align with a specific angle

The correct answer is: A. A hanger must be installed

The requirement for installing hubless fittings at each change of direction is to ensure proper support and stability of the plumbing system. Installing a hanger is essential in maintaining the alignment and integrity of the pipes, which helps prevent stress on the joints. Hangars are designed to provide the necessary support to hold pipes securely in place, especially at points where there are bends or changes in direction. This is crucial for preventing leaks and ensuring the overall functionality of the plumbing system. While using a specific type of sealant, applying a certain paint color, or aligning with a specific angle may be relevant to certain installations or material specifications, they do not directly address the critical nature of support that hangers provide at changes of direction in hubless fittings. Proper hangar installation helps in managing the forces acting on the pipe and contributes to the longevity and reliability of the plumbing system.