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Name the four characteristics of
incandescent lamp operation. ..............................................
.............................................. ..............................................
..............................................
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Lamp efficacy is measured in lumens
per watt, which is important because it affects the
.....................................................of lighting.
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From the data in Buyers' Guide
calculate lamp efficacy for: 240V 150W gls lamp .....................................
..................................... 110V 150W gls lamp .....................................
.....................................
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Improving lamp ruggedness with
additional filament supports increases lamp efficacy.
True False
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Incandescent lamps have a colour
rendering index (Ra) of .............
-
List five advantages of
incandescent lamps. .........................................
......................................... .........................................
......................................... .........................................
......................................... .........................................
.........................................
-
Incandescent lamps are easily
dimmed, however, this means that they are sensitive to
.........................................variations.
Upon completing this review, check your answers with those on page 20, re-read those
sections where your answers were wrong, then proceed.
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