QUIZ: Solid State Lighting (SSL): LED Basics and Effective Uses

1) Which of the following is NOT a characteristic of LED lights?*
- A. long life and ease of maintenance
- B. emits multi-directional light
- C. instant-on performance
- D. resistance to breakage
2) For many fluorescent and incandescent bulb-shaped lights, as much as _______% of the light can be lost in the fixture.*
- A. 30-40
- B. 40-50
- C. 55-65
- D. 70-80
3) Correlated Color Temperature (CCT) is measured on the Kelvin scale. Which of the following Kelvin ranges would be warm-white?*
- A. 2700-3000K
- B. 3500-4000K
- C. 4000-5000K
- D. 5000-6000K
4) Which of the following is TRUE of the Color Rendering Index?*
- A. CRIs of 90 or above are considered excellent for interior lighting.
- B. CRI is not accurate for RGB (red, green, blue) LED systems.
- C. CRI is not yet an exact measure and color rendering should be evaluated in person at the source.
- D. all of the above
5) Which of the following is NOT true of LED lighting?*
- A. Lumen levels remain constant throughout the lifetime of the LED bulb.
- B. An LED bulb can last 30-50 times longer than a comparable incandescent bulb.
- C. Lumen levels burn out over time.
- D. Thermal management is arguably the most important aspect of good LED system design.
6) The applications where LEDs have had the best success to date are _________*
- A. kitchen under-cabinet lighting
- B. parking lot lighting
- C. dining area lighting
- D. A & B
7) There are three ways to create white light using LEDs. Which means below is NOT one of them?*
- A. phosphor-converted LED
- B. color-mixed LED
- C. LED bulb-tint technology
- D. hybrid method LED
8) Why is LED lighting particularly good for refrigerated display cases?*
- A. The thermal-sensitive LED lights thrive in a colder environment.
- B. Expected maintenance is very low due to long life and durability.
- C. The wide dimming range of LEDs can save even more energy with the use of occupancy sensors.
- D. all of the above
9) Which of the following can be said concerning the cost-effectiveness of LEDs?*
- A. LEDs are more energy efficient and so will always be cost-effective.
- B. Prices have fallen but are expected to decline significantly to about $2/klm by 2015.
- C. Each situation is different so you have to do your homework and evaluate the options.
- D. B & C
10) For interior lighting, people’s preference tends to be for:*
- A. warm-white lighting
- B. neutral-white lighting
- C. cool-white lighting
- D. A & B
11) BONUS Question: What topics are you interested in reading about in future issues of the BOC Bulletin? Check your top 3 picks.
- Practical alternative energy sources
- Projects BOC graduates are doing in their buildings
- Technical updates in lighting
- Technical updates in HVAC systems
- Technical updates in building controls
- Technical updates for water conservation
- Industry trends in facilities management
12) BONUS Question: What do you consider to be the most helpful resources for information about building operation and maintenance technologies and practices? (e.g., websites, magazines, associations, vendors, etc.) List your two favorite resources.
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QUIZ: Solid State Lighting (SSL): LED Basics and Effective Uses

QUIZ: Solid State Lighting (SSL): LED Basics and Effective Uses

Your Information