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University Of California, Davis Operations And Supply Chain Management Assignment Help - The lighting

Question - The lighting requirements of an industrial facility are being met by 700 40-W standard fluorescent
lamps. The lamps are close to completing their service life and are to be replaced by their 34-W high-
efficiency counterparts that operate on the existing standard ballasts. The standard and high
efficiency fluorescent lamps can be purchased in quantity at a cost of $1.77 and $2.26 each,
respectively. The facility operates 2800 hours a year, and all of the lamps are kept on during
operating hours. Taking the unit cost of electricity to be $0.08/kWh and the ballast factor to be 1.1
(i.e., ballasts consume 10 percent of the rated power of the lamps), determine how much energy and
money will be saved per year as a result of switching to th ...Read More

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