6 questions Intermediate

### 1 - Life Cycle Cost

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

You must answer all questions correctly to pass the test and complete the course.

Question 1 of 6 Intermediate

What is the average payback time of installing a system with variable speed pumps?

Question 2 of 6 Intermediate

In which systems can the calculated proportional differential pressure mode be used?

Question 3 of 6 Intermediate

In the case story, which system is the most expensive?

Question 4 of 6 Intermediate

In which types of systems is the constant pressure mode used?

Question 5 of 6 Intermediate

In which systems can the measured proportional differential pressure used?

Question 6 of 6 Intermediate

Which element is the most expensive of them all?

Question 6 of 6 Intermediate

# Test results

Congratulations. You have passed the test and completed the 1 - Life Cycle Cost

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### How would you rate this course?

You are welcome to add your rating of this course. Remember that you have to be logged in before you take the test to be able to give your rating. Q: What is the average payback time of installing a system with variable speed pumps?
A: Less than a year
02: 1-2 years
03: 2-3 years Q: What is the average payback time of installing a system with variable speed pumps?
A: 1-2 years Q: What is the average payback time of installing a system with variable speed pumps?
A: 2-3 years
01: Less than a year
02: 1-2 years Q: In which systems can the calculated proportional differential pressure mode be used?
A: In systems where measurement of the differential pressure in the system is not an option and where the valve authority is more than 50%
01: In systems where measurement of the differential pressure in the system is not an option and where the valve authority is more than 50% Your answer
02: In systems where measurement of the differential pressure in the system is not an option and where the valve authority is below 50%
03: In systems where the differential pressure is measured in the system and where the valve authority is below 50% Q: In which systems can the calculated proportional differential pressure mode be used?
A: In systems where measurement of the differential pressure in the system is not an option and where the valve authority is below 50% Q: In which systems can the calculated proportional differential pressure mode be used?
A: In systems where the differential pressure is measured in the system and where the valve authority is below 50%
01: In systems where measurement of the differential pressure in the system is not an option and where the valve authority is more than 50%
02: In systems where measurement of the differential pressure in the system is not an option and where the valve authority is below 50%
03: In systems where the differential pressure is measured in the system and where the valve authority is below 50% Your answer Q: In the case story, which system is the most expensive?
A: A system with constant flow and a single constant speed pump Q: In the case story, which system is the most expensive?
A: A variable flow system with a single constant speed pump
01: A system with constant flow and a single constant speed pump
02: A variable flow system with a single constant speed pump Your answer
03: A one pump system with variable flow and variable pump speed where the pump is put into calculated proportional differential pressure mode Q: In the case story, which system is the most expensive?
A: A one pump system with variable flow and variable pump speed where the pump is put into calculated proportional differential pressure mode
01: A system with constant flow and a single constant speed pump
02: A variable flow system with a single constant speed pump
03: A one pump system with variable flow and variable pump speed where the pump is put into calculated proportional differential pressure mode Your answer Q: In which types of systems is the constant pressure mode used?
A: Systems where the valve authority is higher that 50% of the total pressure loss Q: In which types of systems is the constant pressure mode used?
A: Systems where the valve authority is lower than 50% of the total pressure loss
01: Systems where the valve authority is higher that 50% of the total pressure loss
02: Systems where the valve authority is lower than 50% of the total pressure loss Your answer
03: None, this control mode is outdated Q: In which types of systems is the constant pressure mode used?
A: None, this control mode is outdated
01: Systems where the valve authority is higher that 50% of the total pressure loss
02: Systems where the valve authority is lower than 50% of the total pressure loss Q: In which systems can the measured proportional differential pressure used?
A: Systems where the differential pressure is measured over the pump and the valve authority is below 50%
01: Systems where the differential pressure is measured over the pump and the valve authority is below 50% Your answer
02: Systems where the differential pressure is measured in the system and the valve authority is below 50%
03: Systems where the differential pressure is measured in the system and where the valve authority is higher than 50%. Q: In which systems can the measured proportional differential pressure used?
A: Systems where the differential pressure is measured in the system and the valve authority is below 50% Q: In which systems can the measured proportional differential pressure used?
A: Systems where the differential pressure is measured in the system and where the valve authority is higher than 50%.
01: Systems where the differential pressure is measured over the pump and the valve authority is below 50%
02: Systems where the differential pressure is measured in the system and the valve authority is below 50%
03: Systems where the differential pressure is measured in the system and where the valve authority is higher than 50%. Your answer Q: Which element is the most expensive of them all?
A: Initial cost  