Technical Standards and Safety Authority (TSSA) G3 Practice Exam

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Prepare for the TSSA G3 Exam. Study with quizzes, flashcards, and multiple-choice questions. Each provides valuable hints and detailed explanations to ensure readiness for your exam!

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How must a branch line that is no longer required be terminated?

With a plugged valve or compatible cap
With a valve and close nipple
With a valve locked in the off position
With a coupling and plugged valve

The correct answer is: With a coupling and plugged valve

The appropriate method for terminating a branch line that is no longer required involves using a coupling and a plugged valve. This approach ensures that the branch line is securely sealed off from the system while maintaining the integrity of the pipeline. Utilizing a coupling allows for the connection of the existing piping while effectively blocking it off, significantly minimizing the risk of leaks or unintended discharge. A plugged valve serves as a further safeguard, preventing the flow of fluids and enhancing safety by providing a strong barrier. The use of a coupling and plugged valve adheres to safety standards and best practices, making it the best choice in ensuring that decommissioned branch lines do not pose any operational hazards or environmental risks. Other methods, while they may seem practical, do not provide the same level of security or compliance with regulations governing the termination of unused piping.