Question 1 of 6
Intermediate

What is the benefit of aligning primary side flow with secondary side flow?

Question 2 of 6
Intermediate

How do variable-speed pumps affect the manual balancing process in HVAC systems?

Question 3 of 6
Intermediate

How much flow is required to achieve almost 80 % of the capacity?

Question 4 of 6
Intermediate

Pump energy savings in a distributed pumping system are around:

Question 5 of 6
Intermediate

With a Distributed Pumping system, does commissioning and balancing

Question 6 of 6
Intermediate

Why must low-pressure non-return valves be installed for each cooling loop with AHU’s?

Question 6 of 6
Intermediate

Happy with your answers?

Submit your current answers and get the final test result.

Test results

Congratulations. You have passed the test and completed the 69 - The Grundfos Distributed Pumping Course
Sorry. You did not pass the 69 - The Grundfos Distributed Pumping Course test this time
Achieved badges:
How would you rate this course?
1: What is the benefit of aligning primary side flow with secondary side flow?
To ensure distributed pumps never miss water on the suction side
You can find the answer here >
1: What is the benefit of aligning primary side flow with secondary side flow?
To avoid increasing pressure in the bypass pipe
You can find the answer here >
1: What is the benefit of aligning primary side flow with secondary side flow?
To avoid or minimise the ‘low’ Delta T syndrome
2: How do variable-speed pumps affect the manual balancing process in HVAC systems?
Variable-speed pumps make the manual balancing process obsolete by automatically balancing the system according to actual demands.
2: How do variable-speed pumps affect the manual balancing process in HVAC systems?
Variable-speed pumps require manual balancing to be performed more frequently to maintain system efficiency.
You can find the answer here >
2: How do variable-speed pumps affect the manual balancing process in HVAC systems?
Variable-speed pumps complicate the manual balancing process, making it more tedious and time-consuming.
You can find the answer here >
3: How much flow is required to achieve almost 80 % of the capacity?
50%
3: How much flow is required to achieve almost 80 % of the capacity?
3: How much flow is required to achieve almost 80 % of the capacity?
4: Pump energy savings in a distributed pumping system are around:
4: Pump energy savings in a distributed pumping system are around:
4: Pump energy savings in a distributed pumping system are around:
54%
5: With a Distributed Pumping system, does commissioning and balancing
5: With a Distributed Pumping system, does commissioning and balancing
5: With a Distributed Pumping system, does commissioning and balancing
Is done quickly and easily
6: Why must low-pressure non-return valves be installed for each cooling loop with AHU’s?
You don’t need non-return valves – intelligent pumps make all valves redundanteed
You can find the answer here >
6: Why must low-pressure non-return valves be installed for each cooling loop with AHU’s?
To avoid backflow in case the AHU unit is out of operation
6: Why must low-pressure non-return valves be installed for each cooling loop with AHU’s?
You only need non-return valves for proportional pressure installations
You can find the answer here >