Question 1 of 6
Intermediate

How much of the 30 % of water lost to evaporation can you potentially save by using the right control?

Question 2 of 6
Intermediate

Does fixed-speed operation give you a greater control of energy use?

Question 3 of 6
Intermediate

What does the air pass through on its way out of the cooling towers?

Question 4 of 6
Intermediate

What does biofilm do?

Question 5 of 6
Intermediate

Which function can you use to start or stop the fan in the cooling tower?

Question 6 of 6
Intermediate

The typical choice of Grundfos pump is a single-stage NB/NK pump with what?

Question 6 of 6
Intermediate

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1: How much of the 30 % of water lost to evaporation can you potentially save by using the right control?
None
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1: How much of the 30 % of water lost to evaporation can you potentially save by using the right control?
5%
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1: How much of the 30 % of water lost to evaporation can you potentially save by using the right control?
20%
2: Does fixed-speed operation give you a greater control of energy use?
Yes
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2: Does fixed-speed operation give you a greater control of energy use?
No
3: What does the air pass through on its way out of the cooling towers?
It passes through the fill
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3: What does the air pass through on its way out of the cooling towers?
It passes through the drift eliminators
3: What does the air pass through on its way out of the cooling towers?
It doesn’t pass through anything
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4: What does biofilm do?
It leads to an overdosing of chemials
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4: What does biofilm do?
It reduces the capacity of the cooling tower
4: What does biofilm do?
It leads to scaling
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5: Which function can you use to start or stop the fan in the cooling tower?
The operating mode function
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5: Which function can you use to start or stop the fan in the cooling tower?
The control mode function
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5: Which function can you use to start or stop the fan in the cooling tower?
The limit exceed function
6: The typical choice of Grundfos pump is a single-stage NB/NK pump with what?
High flow and low pressure
6: The typical choice of Grundfos pump is a single-stage NB/NK pump with what?
High pressure and low flow
You can find the answer here >