Question 1 of 6
Intermediate

What is the benefit of a booster pump with variable speed

Question 2 of 6
Intermediate

What is the purpose of a booster pump?

Question 3 of 6
Intermediate

Does a zone divided system require pressure relief valves?

Question 4 of 6
Intermediate

What is the purpose of pressure relief valves?

Question 5 of 6
Intermediate

What are the benefits of an IE4 motor?

Question 6 of 6
Intermediate

Where are the booster sets in a zone divided system placed?

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 8 - Water boosting in commercial buildings
Sorry. You did not pass the 8 - Water boosting in commercial buildings test this time
Achieved badges:
How would you rate this course?
1: What is the benefit of a booster pump with variable speed
The pump automatically adjusts to changes in the water consumption to keep energy usage as low as possible
1: What is the benefit of a booster pump with variable speed
A pump with variable speed is less noisy
You can find the answer here >
1: What is the benefit of a booster pump with variable speed
You can easily increase pressure in case of sediment build-up in pipes
You can find the answer here >
2: What is the purpose of a booster pump?
To increase water pressure
2: What is the purpose of a booster pump?
To reduce lime sediments in steel pipes
You can find the answer here >
2: What is the purpose of a booster pump?
To increase water pressure in plate heat exchangers used for hot water production
You can find the answer here >
3: Does a zone divided system require pressure relief valves?
No
3: Does a zone divided system require pressure relief valves?
Yes, if the pressure from the main exceeds 10 bar
You can find the answer here >
3: Does a zone divided system require pressure relief valves?
Yes, they will serve as a safety valve in case of pump failure
You can find the answer here >
4: What is the purpose of pressure relief valves?
They reduce the pressure on the lower floors in single booster systems
4: What is the purpose of pressure relief valves?
They reduce the pressure from the city mains at the entrance of the building
You can find the answer here >
4: What is the purpose of pressure relief valves?
They are used in high-rise buildings of more than 20 storeys to reduce pressure on the top floors
You can find the answer here >
5: What are the benefits of an IE4 motor?
Fitted with a frequency drive the motor can adjust its speed to demand to lower energy consumption and wear
5: What are the benefits of an IE4 motor?
The motor has all-magnetic bearings
You can find the answer here >
5: What are the benefits of an IE4 motor?
The motor has a built-in delta P sensor
You can find the answer here >
6: Where are the booster sets in a zone divided system placed?
In the basement of the building
6: Where are the booster sets in a zone divided system placed?
Next to the tap at the critical spot
You can find the answer here >
6: Where are the booster sets in a zone divided system placed?
In a pit right in front of the building
You can find the answer here >