CEP1005: Efficiency First
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Lesson 1: Energy efficiency, a global perspective1 Quiz
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Lesson 2: Energy efficiency and decarbonisation in New Zealand1 Quiz
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Lesson 3: When efficiency comes last1 Quiz
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Lesson 4: Why efficiency first and Marginal Abatement Cost1 Quiz
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Lesson 5: Efficiency and demand reduction1 Quiz
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Lesson 6: Understanding loads and equipment sizing1 Quiz
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Lesson 7: Start at the end and systems thinking introduction1 Quiz
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Lesson 8: Upstream effects and costs – electrification1 Quiz
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Lesson 9: Hybrid solutions1 Quiz
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Lesson 10: The risk of locking-in technologies1 Quiz
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Lesson 11: Putting it all together1 Quiz
Now’s a great time to have a practice exam. To attain your module completion certificate you need to score 80% or higher, but don’t worry, you can take this exam as many times as you like.
The structure is the same as the exam for the digital badge, so it’s great practice for that too.
Good luck!
Exam components
Format: Online, open-book exam (use of Excel or equivalent allowed)
Duration: 100 minutes (1 hour, 40 minutes)
Structure: 45 questions totalling 100 marks made up of:
- 5 Multiple Choice (1 mark each)
- 35 Multiple Choice (2 marks each)
- 5 Multiple Choice (5 marks each)
Pass mark: 80%
Key points to help you to prepare for success
- Several questions in this exam refer to a case study. You can view the case study via the tab above. Please familiarise yourself with the case study before starting the exam.
- Take the exam in a quiet space with a stable internet connection, that is free from distractions like mobile phones, other people or pets.
- Once started, the exam will stay open for the allotted time (unless you submit early).
- You can review and change your answers before final submission.
- You are not required to answer every question, however unanswered questions score zero.
- There are no penalties for incorrect answers.
- All questions are marked as wholly correct or incorrect, with no partial credit. For example, if a question requires that you select three correct answers and you only choose two, the answer will be marked incorrect.
- If you finish early, use the remaining time to review your answers before submitting.
- The exam is automatically marked. Your results will be shown straight away.
Are you ready to begin?
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Question 1 of 45
1. Question
1 point(s)The lifetime cost of a project is a factor in determining its marginal abatement cost
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Question 2 of 45
2. Question
1 point(s)Efficiency is often more expensive than purchasing larger equipment to meet energy needs
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Question 3 of 45
3. Question
1 point(s)The concept of marginal abatement cost is irrelevant to decarbonisation projects
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Question 4 of 45
4. Question
1 point(s)Reducing energy needs can lead to smaller equipment purchases
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Question 5 of 45
5. Question
1 point(s)The benefits of a decarbonisation project are not important to consider
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Question 6 of 45
6. Question
2 point(s)What is the first step typically taken before decarbonisation?
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Question 7 of 45
7. Question
2 point(s)What is the function of backup generators in a facility?
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Question 8 of 45
8. Question
2 point(s)What is a common feature of both transformers and distribution panels?
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Question 9 of 45
9. Question
2 point(s)What is the main purpose of circuit breakers in an electrical system?
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Question 10 of 45
10. Question
2 point(s)What is the primary purpose of using an economiser in a natural-gas fired boiler?
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Question 11 of 45
11. Question
2 point(s)Why might investment in energy efficiency be problematic for decarbonisation?
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Question 12 of 45
12. Question
2 point(s)What does the term ‘stranded asset’ refer to in the context of energy systems?
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Question 13 of 45
13. Question
2 point(s)What does heat recovery involve?
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Question 14 of 45
14. Question
2 point(s)What is the relationship between chiller operation and cooling tower power?
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Question 15 of 45
15. Question
2 point(s)What is the primary goal of using a blower instead of compressed air?
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Question 16 of 45
16. Question
2 point(s)What is a benefit of having localised temperature control with distributed heat pumps?
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Question 17 of 45
17. Question
2 point(s)What is one of the main reasons for using heat exchangers in energy systems?
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Question 18 of 45
18. Question
2 point(s)What does COP stand for in the context of heat pumps?
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Question 19 of 45
19. Question
2 point(s)What is a potential benefit of improving part-load efficiency?
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Question 20 of 45
20. Question
2 point(s)What role do sensors and automation play in optimising equipment performance?
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Question 21 of 45
21. Question
2 point(s)How can improving part-load efficiency impact energy consumption?
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Question 22 of 45
22. Question
2 point(s)Which type of motor is likely to have lower part-load efficiency?
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Question 23 of 45
23. Question
2 point(s)What is the effect of running pumps harder on chiller performance?
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Question 24 of 45
24. Question
2 point(s)What is the recommended operation for cooling tower fans to optimise efficiency?
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Question 25 of 45
25. Question
2 point(s)What is one way to reduce carbon emissions in heating systems?
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Question 26 of 45
26. Question
2 point(s)What is the purpose of timers in lighting systems?
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Question 27 of 45
27. Question
2 point(s)What is one of the demand reduction opportunities for process heat?
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Question 28 of 45
28. Question
2 point(s)What is a benefit of double-glazed windows in energy efficiency?
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Question 29 of 45
29. Question
2 point(s)What does a load profile represent?
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Question 30 of 45
30. Question
2 point(s)What is the primary characteristic of a cyclic load?
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Question 31 of 45
31. Question
2 point(s)What is one of the benefits of improved air quality for ecosystems?
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Question 32 of 45
32. Question
2 point(s)What type of projects are often considered first in carbon abatement strategies?
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Question 33 of 45
33. Question
2 point(s)Which of the following is NOT a benefit of energy efficiency?
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Question 34 of 45
34. Question
2 point(s)What is the primary advantage of LED lighting?
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Question 35 of 45
35. Question
2 point(s)What is one benefit of installing task lighting in a space?
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Question 36 of 45
36. Question
2 point(s)What is a variable frequency drive used for?
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Question 37 of 45
37. Question
2 point(s)What is one of the benefits of focusing on energy efficiency?
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Question 38 of 45
38. Question
2 point(s)What is the relationship between energy efficiency and environmental sustainability?
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Question 39 of 45
39. Question
2 point(s)What is one of the technologies mentioned that could help reduce energy costs?
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Question 40 of 45
40. Question
2 point(s)What is one of the benefits of focusing on energy efficiency?
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Question 41 of 45
41. Question
5 point(s)Which measure was taken to optimise production line energy consumption?
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Question 42 of 45
42. Question
5 point(s)What type of lighting upgrade was made to reduce energy use?
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Question 43 of 45
43. Question
5 point(s)What system was deployed to manage energy during peak and off-peak hours?
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Question 44 of 45
44. Question
5 point(s)What was the peak demand before the implementation of energy-saving measures?
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Question 45 of 45
45. Question
5 point(s)Which measure was implemented to reduce energy use during peak periods in HVAC systems?
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