CPD Programme Module 22 November 2010 _________________________________________
1. What proportion (%) of electrical energy is consumed by lighting in an average UK office building?
A 13% B 23% C 33% D 43% E 53%
2. In the New York Times case study what percentage of energy was saved annually compared to the full installed lighting capacity?
A 10% B 30% C 50% D 70% E 90%
3. In the same case study, which of the described strategies was the most effective to reduce lighting energy consumption?
A Daylight harvesting B Occupancy sensing C Light level tuning D Luminaire design E Scheduling
4. What does the acronym DALI stand for?
A Data Addressable Lighting Interface B Digital Addressable Lighting Interface C Direct Addressable Lighting Interface D Dimmable Addressable Lighting Interface E Dynamic Addressable Lighting Interface
5. Which of the following is unlikely to be true for ZigBee systems?
A The radio devices are low power B Devices can transmit individually over large distances C System has a fast response time D Does not require control wiring between nodes E Developed specifically for control
66 CIBSE Journal November 2010
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