4 questions Intermediate

### 1 - Life Cycle Cost

This course test contains 4 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 4 Intermediate

In the imaginary scenario, which system is the most expensive?

Question 2 of 4 Intermediate

What are the three initial costs that are the most important factors for a life cycle cosy calculation for commercial buildings?

Question 3 of 4 Intermediate

What is the approximate energy savings achieved by using the proportional pressure control mode with a quadratic curve setting?

Question 4 of 4 Intermediate

What's the payback time for the high initial cost of the most economical system?

Question 4 of 4 Intermediate

# Test results

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Q: In the imaginary scenario, which system is the most expensive?
A: The variable flow system with a constant speed pump
Q: In the imaginary scenario, which system is the most expensive?
A: The variable flow system with a variable speed pump where the pump is operated in proportional differential pressure mode
01: The variable flow system with a constant speed pump
02: The variable flow system with a variable speed pump where the pump is operated in proportional differential pressure mode Your answer
03: The variable flow system with a variable speed pump where the pump is operated in proportional differential pressure mode and the "quadratic" feature is activated
Q: In the imaginary scenario, which system is the most expensive?
A: The variable flow system with a variable speed pump where the pump is operated in proportional differential pressure mode and the "quadratic" feature is activated
01: The variable flow system with a constant speed pump
02: The variable flow system with a variable speed pump where the pump is operated in proportional differential pressure mode
03: The variable flow system with a variable speed pump where the pump is operated in proportional differential pressure mode and the "quadratic" feature is activated Your answer
Q: What are the three initial costs that are the most important factors for a life cycle cosy calculation for commercial buildings?
A: Maintenance cost, operating cost and envirnomental cost
02: Purchase price, maintenance cost and energy cost
03: Operating cost, energy cost and downtime cost
Q: What are the three initial costs that are the most important factors for a life cycle cosy calculation for commercial buildings?
A: Purchase price, maintenance cost and energy cost
Q: What are the three initial costs that are the most important factors for a life cycle cosy calculation for commercial buildings?
A: Operating cost, energy cost and downtime cost
01: Maintenance cost, operating cost and envirnomental cost
02: Purchase price, maintenance cost and energy cost
Q: What is the approximate energy savings achieved by using the proportional pressure control mode with a quadratic curve setting?
A: No energy savings
02: At least 15%
03: At least 5%
Q: What is the approximate energy savings achieved by using the proportional pressure control mode with a quadratic curve setting?
A: At least 15%
Q: What is the approximate energy savings achieved by using the proportional pressure control mode with a quadratic curve setting?
A: At least 5%
01: No energy savings
02: At least 15%