6 questions Intermediate

ECADEMY test

35 - The role of pumps in cooling towers

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Correct
Q: What does biofilm do?
A: It reduces the capacity of the cooling tower
Correct
Q: What is the main purpose of a cooling tower?
A: To transfer heat from the cooling water to the air by evaporation
Correct
Q: Does fixed-speed operation give you a greater control of energy use?
A: No
Correct
Q: How does Grundfos iSOLUTIONS help the pump control the cooling tower?
A: Through speed regulation and start/stop functions
Correct
Q: What does the hysteresis band do?
A: It determines how low the temperature can be before the fan stops running
Correct
Q: The typical choice of Grundfos pump is a single-stage NB/NK pump with what?
A: High flow and low pressure