Operation and Maintenance Questions and Answers Flashcards
6 cards from real CPO practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Operation and Maintenance Questions and Answers flashcards as text
What daily operational checks should a CPO perform before opening a public pool?
Answer: Test water chemistry, inspect safety equipment, verify drain covers, and check circulation system
Pre-opening checks include testing water chemistry, inspecting safety equipment, verifying drain cover integrity, confirming circulation system operation, and visual inspection of the facility.
How often should pool filter sand be replaced in a commercial pool?
Answer: Every 3 to 5 years or when backwashing no longer restores normal pressure
Sand filter media typically lasts 3 to 5 years. Replace when backwashing fails to restore clean starting pressure or when water clarity persistently decreases.
What is the proper procedure for cleaning a cartridge filter element?
Answer: Turn off the pump, release pressure, remove cartridge, rinse with a garden hose between each pleat
Shut down the system, release pressure, remove the element, and rinse between pleats with a garden hose. High-pressure washing damages the filter fabric.
What preventive maintenance should be performed on a pool heater annually?
Answer: Inspect heat exchanger for scale, clean burner assembly, check gas connections, and verify safety controls
Annual maintenance includes heat exchanger inspection and descaling, burner cleaning, gas connection leak testing, safety control verification, and ignition system testing.
What is the recommended practice for managing a pool during a thunderstorm?
Answer: Clear the pool and deck when thunder is heard, wait 30 minutes after the last thunder or lightning
Clear the pool and surrounding deck area when thunder is heard or lightning is observed. Wait a minimum of 30 minutes after the last occurrence before reopening.
What is the proper procedure for acid washing a plaster pool?
Answer: Drain the pool, apply diluted muriatic acid solution in sections, scrub, rinse, and neutralize
Acid washing involves draining the pool, pre-wetting sections, applying diluted acid, scrubbing, rinsing, and neutralizing the runoff before proper disposal.