6 questions Intermediate

ECADEMY test

35 - The role of pumps in cooling towers

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

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Question 1 of 6 Intermediate

1 Which function can you use to start or stop the fan in the cooling tower?
The operating mode function
The control mode function
The limit exceed function
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Question 2 of 6 Intermediate

2 Why are single-stage Grundfos NB/NK pumps usually used in cooling towers?
To meet requirements for high flow and low pressure
To meet requirements for low flow and high pressure
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Question 3 of 6 Intermediate

3 How does Grundfos iSOLUTIONS help the pump control the cooling tower?
By keeping the pumps running at constant speed
Through variable speed and start/stop functions
By using powerful fans
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Question 4 of 6 Intermediate

4 What does the hysteresis band do?
It ensures that the fan starts when you exceed a set temperature
It determines how low the temperature can be before the fan stops running
Nothing – it’s a made-up phrase
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Question 5 of 6 Intermediate

5 What is the main purpose of a cooling tower?
To transfer heat from the cooling water to the air by evaporation
To boost pressure in the distribution area
To keep a volume of water for emergency use
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Question 6 of 6 Intermediate

6 What is the most commonly used and accessible way of setting up your pump?
Grundfos GO
The pump’s display
The PC tool
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Question 6 of 6 Intermediate

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Correct
01.
Q: Which function can you use to start or stop the fan in the cooling tower?
A: The limit exceed function
Correct
02.
Q: Why are single-stage Grundfos NB/NK pumps usually used in cooling towers?
A: To meet requirements for high flow and low pressure
Correct
03.
Q: How does Grundfos iSOLUTIONS help the pump control the cooling tower?
A: Through variable speed and start/stop functions
Correct
04.
Q: What does the hysteresis band do?
A: It determines how low the temperature can be before the fan stops running
Correct
05.
Q: What is the main purpose of a cooling tower?
A: To transfer heat from the cooling water to the air by evaporation
Correct
06.
Q: What is the most commonly used and accessible way of setting up your pump?
A: Grundfos GO
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