Commercial Illumination
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In our eReader you can find the full English version of the book. Read Commercial Illumination Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Commercial Illumination
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4» Read the instniment after equality of illiimination is obtained* This is done by turning the knot (K) back and forth as before.
The adjustment of the ammeter and the read- ing of the voltage are equally important, because the percentage variations in candle-power, lumens and resistance with variations in voltage is more than porportional. when, for Instance, a lamp is run at too high a voltage, the candle-power and light flux are increased, (although this is done at the expense of the life).... The percentage varia- tion of carbon lamps is still greater than that of the Mazda lamps and if this is plotted" against variable voltage the curve obtained is somewhat concave upward- The characteristic curves of incandescent lamps are found in Standard Handbook, pages 1091- 1092, also in other books on illumination. These relations are also expressed in the equation: Vl , fej\K where Vi and Vg sire voltages, and e^ and ejj. are 15.
corresponding candle-power. For Mazda lamps K is approximately equal to 3»61« COEFFICIENT OF UTILIZATION - DIRECT METHOD When the average value of the intensity of illumination is found the calculation to find the factor of utilization is simple.
What to read after Commercial Illumination?
You can find similar books in the "Read Also" column, or choose other free books by Muramoto, David K to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
4» Read the instniment after equality of illiimination is obtained* This is done by turning the knot (K) back and forth as before.
The adjustment of the ammeter and the read- ing of the voltage are equally important, because the percentage variations in candle-power, lumens and resistance with variations in voltage is more than porportional. when, for Instance, a lamp is run at too high a voltage, the candle-power and light flux are increased, (although this is done at the expense of the life).... The percentage varia- tion of carbon lamps is still greater than that of the Mazda lamps and if this is plotted" against variable voltage the curve obtained is somewhat concave upward- The characteristic curves of incandescent lamps are found in Standard Handbook, pages 1091- 1092, also in other books on illumination. These relations are also expressed in the equation: Vl , fej\K where Vi and Vg sire voltages, and e^ and ejj. are 15.
corresponding candle-power. For Mazda lamps K is approximately equal to 3»61« COEFFICIENT OF UTILIZATION - DIRECT METHOD When the average value of the intensity of illumination is found the calculation to find the factor of utilization is simple.
What to read after Commercial Illumination?
You can find similar books in the "Read Also" column, or choose other free books by Muramoto, David K to read onlineMoreLess
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