Quiz Answer Key and Fun Facts
1. The levels of light on a surface is called illuminance. What is the unit for illuminance?
2. What is the gas present in fluorescent lamps?
3. Which of the following lamps does not need a ballast, transformer or control gear?
4. Luminous efficacy is the measurement of lumens per watt of a lamp. Which of the following lamps has the highest efficacy?
5. Which of the following lamps would be most suitable in an installation at a sports ground, where there is TV coverage of the game?
6. What is the advantage of using electronic control gear for fluorescent lamps over normal switched start ballasts?
7. For external light fittings, the IP rating has to be considered. What does IP stand for?
8. Which is the most suitable reflector or diffuser for use in an office where personnel work on computers?
9. Home lighting is generally a mixture of incandescent lamps, compact fluorescent lamps, tubular fluorescent lamps and halogen lamps. Which of the lamps typically requires a transformer?
10. Which of the following factors is important when doing a lighting design?
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