Plumber Water & Drainage Flashcards
6 cards from real PC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Plumber Water & Drainage flashcards as text
What is the primary function of a water supply system in a building?
Answer: To deliver potable water to fixtures
A water supply system delivers clean and potable water to various fixtures within a building, ensuring accessibility for daily use.
Which component is essential for preventing backflow in a water system?
Answer: Backflow preventer
A backflow preventer ensures that contaminated water does not flow back into the potable water supply, maintaining water quality and safety.
What is the standard slope required for proper drainage in a horizontal drainpipe?
Answer: 1/4 inch per foot
A horizontal drainpipe should be sloped at 1/4 inch per foot to ensure proper wastewater flow and prevent blockages.
Which type of pipe is most commonly used for drainage systems?
Answer: PVC
PVC pipes are widely used for drainage systems due to their lightweight, corrosion resistance, and ease of installation.
What is the purpose of a vent pipe in a plumbing system?
Answer: To release sewer gases and maintain air pressure
A vent pipe allows sewer gases to escape safely and ensures proper air circulation, preventing traps from being siphoned dry.
Which method is commonly used to prevent clogging in drainage pipes?
Answer: Using drain screens and regular maintenance
Regular maintenance, such as flushing with hot water and using drain screens, helps prevent debris buildup and clogging in drainage pipes.