Question 1 of 6
Intermediate

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

Question 2 of 6
Intermediate

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

Question 3 of 6
Intermediate

In which applications are the following four areas important to focus on to avoid legionella bacteria: 1) Water temperature, 2) Tank and pipe sizing, 3)Tank and pipe material, 4)Tank and pipe insulation

Question 4 of 6
Intermediate

Which method is the most efficient for water disinfection?

Question 5 of 6
Intermediate

Where does the bacteria Legionella pneumophila live and breed?

Question 6 of 6
Intermediate

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

Question 6 of 6
Intermediate

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1: Which living organisms in water can Chlorine dioxide kill, besides Legionella pneumophila?
Fungi, viruses and algae
1: Which living organisms in water can Chlorine dioxide kill, besides Legionella pneumophila?
Algae
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1: Which living organisms in water can Chlorine dioxide kill, besides Legionella pneumophila?
Fungi and algae
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2: What is the name of the disease, which was first discovered in 1976?
Legionnaire’s disease
2: What is the name of the disease, which was first discovered in 1976?
LCD disease
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2: What is the name of the disease, which was first discovered in 1976?
Filly disease
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3: In which applications are the following four areas important to focus on to avoid legionella bacteria: 1) Water temperature, 2) Tank and pipe sizing, 3)Tank and pipe material, 4)Tank and pipe insulation
Water fountains
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3: In which applications are the following four areas important to focus on to avoid legionella bacteria: 1) Water temperature, 2) Tank and pipe sizing, 3)Tank and pipe material, 4)Tank and pipe insulation
Rooftop cooling towers
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3: In which applications are the following four areas important to focus on to avoid legionella bacteria: 1) Water temperature, 2) Tank and pipe sizing, 3)Tank and pipe material, 4)Tank and pipe insulation
Drinking water systems
4: Which method is the most efficient for water disinfection?
Ozone
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4: Which method is the most efficient for water disinfection?
Thermal treatment
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4: Which method is the most efficient for water disinfection?
Chlorine dioxide
5: Where does the bacteria Legionella pneumophila live and breed?
In stagnant warm water
5: Where does the bacteria Legionella pneumophila live and breed?
In warm water without ventilation
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5: Where does the bacteria Legionella pneumophila live and breed?
In floating water which is constantly being infected with dirt
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6: In a drinking system, what temperature should the water in the taps be?
60°C / 140°F.
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6: In a drinking system, what temperature should the water in the taps be?
At least 55°C / 131°F
6: In a drinking system, what temperature should the water in the taps be?
At least 50°C / 122°F
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