CPO CPO Pool Equipment and Mechanical Systems Questions and Answers 3

Question 1

What is diatomaceous earth (DE) used for in pool filtration?

Accepted Answer

A fossil-based powder that coats filter grids to trap fine particles

Answer

DE is made from the fossilized remains of microscopic diatoms; its porous structure can filter particles as small as 2–5 microns.

Question 2

What does SVRS stand for in pool safety equipment?

Accepted Answer

Safety Vacuum Release System

Answer

A Safety Vacuum Release System automatically detects a blocked drain and shuts off the pump or releases suction to prevent entrapment.

Question 3

What is the purpose of a hair and lint strainer (pump pot) in the recirculation system?

Accepted Answer

To catch large debris before it reaches and damages the pump impeller

Answer

The hair and lint strainer (pump pot) collects hair, lint, leaves, and other debris that passed through the skimmer to protect the pump.

Question 4

When sizing a circulation pump, which factor is most important?

Accepted Answer

The required flow rate (GPM) and total dynamic head (TDH)

Answer

A pump must be matched to both the required flow rate (GPM) for turnover and the TDH of the piping system to operate efficiently.

Question 5

What is the function of a pool booster pump?

Accepted Answer

To increase pressure for an automatic pool cleaner or water features

Answer

A booster pump provides additional pressure specifically for pressure-side automatic cleaners or water features that require higher pressure than the main pump delivers.

CPO (Certified Pool Operator Exam) Practice Test

CPO (Certified Pool Operator Exam) Practice Test

CPO CPO Pool Equipment and Mechanical Systems Questions and Answers 3