4 questions Intermediate

ECADEMY test

97 - Pumping schemes in chilled water systems

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Correct
Q: Why is the constant primary circulation system no longer used?
A: It's not very energy-efficient
Correct
Q: What is a decoupler also known as?
A: A neutral bridge
Correct
Q: Why is low Delta T a serious problem for a typical pumping scheme?
A: It reduces the installed chiller capacity at the plant
Correct
Q: What defines the constant primary and variable secondary circulation system?
A: The secondary pump only uses the required energy to meet the system demand.