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 What is the most commonly used and accessible way of setting up your pump?

Question 2 of 6 Intermediate

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

Question 4 of 6 Intermediate

4 Why are single-stage Grundfos NB/NK pumps usually used in cooling towers?

Question 5 of 6 Intermediate

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

Question 6 of 6 Intermediate

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

Question 6 of 6 Intermediate

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Correct
Q: What is the most commonly used and accessible way of setting up your pump?
A: Grundfos GO
Correct
Q: Does fixed-speed operation give you a greater control of energy use?
A: No
Correct
Q: What does the hysteresis band do?
A: It determines how low the temperature can be before the fan stops running
Correct
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
Q: How much of the 30 % of water lost to evaporation can you potentially save by using the right control?
A: 20%
Correct
Q: Which function can you use to start or stop the fan in the cooling tower?
A: The limit exceed function