ASCA ASCA Pool Management & Aquatic Facility Operations 2

Question 1

What does 'combined chlorine' (chloramines) indicate in a pool water test?

Accepted Answer

Chlorine that has reacted with nitrogen compounds from swimmers and is no longer effective as a sanitizer

Answer

Chlorine that has been added but not yet activated

Answer

The total amount of chlorine chemicals stored on-site

Answer

The chlorine level in the pool's backwash water

Question 2

What is the typical water temperature range recommended for competitive swimming training pools?

Accepted Answer

78°F – 82°F (26°C – 28°C)

Answer

72°F – 74°F (22°C – 23°C)

Answer

85°F – 90°F (29°C – 32°C)

Answer

60°F – 65°F (16°C – 18°C)

Question 3

What regulatory agency sets safety standards for public pool drain covers in the United States?

Accepted Answer

CPSC (Consumer Product Safety Commission)

Answer

EPA

Answer

OSHA

Answer

FDA

Question 4

What is the recommended minimum number of lifeguards per swimmers in an active competitive practice setting according to general aquatic safety guidelines?

Accepted Answer

1 lifeguard per 25 swimmers

Answer

1 lifeguard per 10 swimmers

Answer

1 lifeguard per 50 swimmers

Answer

No lifeguards required when a certified coach is present

Question 5

What is the purpose of a pool's 'surge tank' or 'balance tank'?

Accepted Answer

To collect overflow water displaced by swimmers and return it to the circulation system

Answer

To store backup chemicals for emergencies

Answer

To heat water before it enters the pool

Answer

To hold backwash water for disposal

Question 6

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

Accepted Answer

Sodium carbonate (soda ash)

Answer

Muriatic acid (hydrochloric acid)

Answer

Sodium bisulfate (dry acid)

Answer

Calcium hypochlorite