6 questions Intermediate

ECADEMY test

Life Cycle Costs

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

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Question 1 of 6 Intermediate

1 Which element is the most expensive of them all?

Question 4 of 6 Intermediate

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

Question 6 of 6 Intermediate

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Correct
01.
Q: Which element is the most expensive of them all?
A: Energy cost
Correct
02.
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%
Correct
03.
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
Correct
04.
Q: What is the average payback time of installing a system with variable speed pumps?
A: 1-2 years
Correct
05.
Q: What are the three most important factors for a life cycle cost calculation for commercial buildings?
A: Initial cost, maintenance cost and energy cost
Correct
06.
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%