6 questions Intermediate

ECADEMY test

Water Disinfection

This course test contains 6 questions and can be retaken at any time.

You must answer all questions correctly to pass the test and complete the course.

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Question 1 of 6 Intermediate

1 What is the name of the disease, which was first discovered in 1976?

Question 2 of 6 Intermediate

2 In a drinking system, what temperature should the water in the taps be?

Question 3 of 6 Intermediate

3 Which method is the most efficient for water disinfection?

Question 4 of 6 Intermediate

4 Which living organisms in water can Chlorine dioxide kill, besides Legionella pneumophila?

Question 6 of 6 Intermediate

6 Where does the bacteria Legionella pneumophila live and breed?

Question 6 of 6 Intermediate

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Correct
01.
Q: What is the name of the disease, which was first discovered in 1976?
A: Legionnaire’s disease
Correct
02.
Q: In a drinking system, what temperature should the water in the taps be?
A: At least 55°C / 131°F
Correct
03.
Q: Which method is the most efficient for water disinfection?
A: Chlorine dioxide
Correct
04.
Q: Which living organisms in water can Chlorine dioxide kill, besides Legionella pneumophila?
A: Fungi, viruses and algae
Correct
05.
Q: What is legionnaire’s disease caused by?
A: Inhalation of the bacteria Legionella pneumophila
Correct
06.
Q: Where does the bacteria Legionella pneumophila live and breed?
A: In stagnant warm water