CAMT Pool and Spa Maintenance 2

Question 1

What is the purpose of backwashing a sand or DE pool filter?

Accepted Answer

To remove trapped debris and restore flow rate

Answer

To add more filter media

Answer

To increase water temperature

Answer

To lower the pool's pH

Question 2

What is the recommended total alkalinity range for residential pool water?

Accepted Answer

80–120 ppm

Answer

10–30 ppm

Answer

200–250 ppm

Answer

300–400 ppm

Question 3

Which chemical is used to raise the pH of pool water?

Accepted Answer

Sodium carbonate (soda ash)

Answer

Muriatic acid

Answer

Sodium bisulfate

Answer

Sodium hypochlorite

Question 4

How should pool chemicals be stored in an apartment maintenance facility?

Accepted Answer

In a cool, dry, well-ventilated area, separated by chemical type

Answer

Together in one locked cabinet for convenience

Answer

In the pool equipment room adjacent to the pump

Answer

Under direct sunlight to prevent moisture buildup

Question 5

What does a pool's 'turnover rate' refer to?

Accepted Answer

The time it takes to circulate the entire pool volume through the filter

Answer

How often the pool is drained and refilled

Answer

The frequency of chemical additions

Answer

How quickly evaporation reduces water level

Question 6

What is the primary purpose of a pool skimmer?

Accepted Answer

To remove surface debris before it sinks and becomes harder to clean

Answer

To add chemicals evenly to pool water

Answer

To measure water temperature

Answer

To regulate pool water level