Sample interview questions: Can you explain the process of detecting and fixing leaks in plumbing systems?
Sample answer:
Leak Detection:
- Visual inspection: Examine pipes, fixtures, and connections for visible leaks, corrosion, or moisture stains.
- Pressure testing: Close all faucets and water valves. Attach a pressure gauge to a main water line. Pressurize the system and monitor the pressure over time. A drop in pressure indicates a leak.
- Acoustic leak detection: Use an electronic leak detector that amplifies and isolates the sound of water leaks through headphones.
- Infrared imaging: Employ a thermal camera to identify areas with temperature differences, often indicating hidden leaks.
- Electronic leak detection: Utilize an electromagnetic field (EMF) sensor to detect the presence of moisture along pipes and fixtures.
Leak Repair:
- Tightening connections: Check and tighten any loose nuts, bolts, or flanges using a wrench or pipe wrench.
- Replacing washers and seals: Remove old, worn gaskets and seals and replace them with new ones.
- Soldering and welding: For metal pi… Read full answer
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