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| 1.
The levels of light on a surface is called illuminance. What is the unit for illuminance? |
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| 2.
What is the gas present in fluorescent lamps? |
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| 3.
Which of the following lamps does not need a ballast, transformer or control gear? |
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| 4.
Luminous efficacy is the measurement of lumens per watt of a lamp. Which of the following lamps has the highest efficacy? |
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| 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? |
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| 6.
What is the advantage of using electronic control gear for fluorescent lamps over normal switched start ballasts? |
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| 7.
For external light fittings, the IP rating has to be considered. What does IP stand for? |
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| 8.
Which is the most suitable reflector or diffuser for use in an office where personnel work on computers? |
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| 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? |
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| 10.
Which of the following is the most important factor when doing a lighting design? |
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