Question 1 of 6
Intermediate

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

Question 2 of 6
Intermediate

Where is Chlorine dioxide injected into the water system?

Question 3 of 6
Intermediate

Where does the bacteria Legionella pneumophila live and breed?

Question 4 of 6
Intermediate

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

Question 5 of 6
Intermediate

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

Question 6 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 6 of 6
Intermediate

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1: In a drinking system, what temperature should the water in the taps be?
60°C / 140°F.
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1: In a drinking system, what temperature should the water in the taps be?
At least 55°C / 131°F
1: In a drinking system, what temperature should the water in the taps be?
At least 50°C / 122°F
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2: Where is Chlorine dioxide injected into the water system?
In every container with stagnant warm water
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2: Where is Chlorine dioxide injected into the water system?
Where the municipal water main enters the building
2: Where is Chlorine dioxide injected into the water system?
In the water system’s main pump
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3: Where does the bacteria Legionella pneumophila live and breed?
In stagnant warm water
3: Where does the bacteria Legionella pneumophila live and breed?
In warm water without ventilation
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3: Where does the bacteria Legionella pneumophila live and breed?
In floating water which is constantly being infected with dirt
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4: Which living organisms in water can Chlorine dioxide kill, besides Legionella pneumophila?
Fungi, viruses and algae
4: Which living organisms in water can Chlorine dioxide kill, besides Legionella pneumophila?
Algae
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4: Which living organisms in water can Chlorine dioxide kill, besides Legionella pneumophila?
Fungi and algae
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5: What is the name of the disease, which was first discovered in 1976?
Legionnaire’s disease
5: What is the name of the disease, which was first discovered in 1976?
LCD disease
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5: What is the name of the disease, which was first discovered in 1976?
Filly disease
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6: 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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6: 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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6: 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