6 questions Advanced

ECADEMY test

Air Conditioning

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

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Question 1 of 6 Advanced

1 For which control mode is the following true: The performance of the pump is adjusted to the performance of the cooling tower, and keeps the water fed to the condenser at a constant temperature.

Question 2 of 6 Advanced

2 How many control modes are relevant for an air conditioning system?

Question 4 of 6 Advanced

4 Which one of the three typical air con systems has low operation costs and high flexibility?

Question 5 of 6 Advanced

5 For which control mode is the following true: The head is adjusted according to differential pressure measurements in a reference point, and the head decreases when the flow is reduced.

Question 6 of 6 Advanced

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Correct
01.
Q: For which control mode is the following true: The performance of the pump is adjusted to the performance of the cooling tower, and keeps the water fed to the condenser at a constant temperature.
A: Temperature control mode
Correct
02.
Q: How many control modes are relevant for an air conditioning system?
A: 5
Correct
03.
Q: What does affordability mean?
A: It is a term used to describe the operation costs of running an air conditioning system
Correct
04.
Q: Which one of the three typical air con systems has low operation costs and high flexibility?
A: A variable flow system with a variable flow chiller
Correct
05.
Q: For which control mode is the following true: The head is adjusted according to differential pressure measurements in a reference point, and the head decreases when the flow is reduced.
A: Proportional differential pressure mode (measured)
Correct
06.
Q: What needs to be done in order to change a constant flow system with 3-way valves?
A: Replace constant speed pumps with speed controlled pumps and replace 3-way valves with 2-way valves