Plumbing Level 1 Module 1 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified

Plumbing Level 1 Module 1 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What is the first thing you should do before starting a plumbing job? Before starting any plumbing job, you should ensure you have the correct tools, understand the plan, and turn off the water supply. What are the common materials used in plumbing systems? Common materials include PVC, copper, PEX, and galvanized steel. Why is it important to use the proper fittings when installing plumbing? Using the proper fittings ensures a secure and leak-proof connection, preventing water damage and inefficiency. What is the purpose of a pipe wrench in plumbing work? A pipe wrench is used to tighten or loosen pipes and fittings, especially those that are difficult to turn by hand. 2 How do you ensure a tight seal when joining two pipes together? You should use the appropriate sealant, pipe thread compound, or plumber’s tape and tighten the fittings securely to prevent leaks. What is the role of a vent pipe in a plumbing system? A vent pipe allows air to enter the plumbing system, which helps to maintain proper pressure and allows waste gases to escape. What is the difference between copper and PEX piping? Copper is durable and resistant to corrosion but can be more expensive and difficult to install, while PEX is flexible, easier to install, and resistant to freezing. Why is it important to know local plumbing codes? Local plumbing codes set the standards for plumbing installation and safety, ensuring that systems are installed correctly and efficiently. What should you do if you notice a slow leak in a plumbing system? You should turn off the water supply immediately and assess the situation to determine if a repair or replacement is needed. 3 How can you prevent pipes from freezing in cold weather? To prevent pipes from freezing, insulate them, leave faucets dripping slightly, and keep cabinet doors open to allow warm air to circulate. What tool is commonly used to cut copper pipes? A copper pipe cutter is commonly used to cut copper pipes cleanly and without damaging the pipe. What is the purpose of a trap in plumbing systems? A trap prevents sewer gases from entering the building by holding a small amount of water in the pipe to create a barrier. What does the term “head pressure” refer to in plumbing? Head pressure refers to the pressure exerted by a column of water in a system due to gravity, typically used in vertical water systems. How do you check for water leaks in a system?