Electrical, Plumbing & Hydraulic Systems Flashcards
6 cards from real CBP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Electrical, Plumbing & Hydraulic Systems flashcards as text
What is the function of a GFCI in a pool electrical system?
Answer: Shut off power during current leakage
A Ground Fault Circuit Interrupter (GFCI) helps prevent electric shock by cutting off power when it detects an imbalance in electrical current.
Which plumbing device prevents contaminated water from re-entering the clean supply?
Answer: Check valve
A check valve ensures water only flows in one direction, protecting the potable water supply from contamination.
Why is bonding essential in a pool’s hydraulic and electrical system?
Answer: Equalize electrical potential
Bonding connects metal components to equalize electrical potential, reducing shock hazards around the pool area.
What happens if the pool pump is undersized?
Answer: Leads to poor circulation and filtration
An undersized pump cannot circulate water effectively, which reduces filtration and leads to poor water quality.
Which component controls the flow rate in a hydraulic system?
Answer: Valve
A valve regulates the amount of water that moves through the system, allowing for proper balance and control.
How is flow rate typically measured in pool plumbing systems?
Answer: With a flow meter
A flow meter is used to measure the rate of water movement through the plumbing system in gallons per minute (GPM).