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Select all that apply. Relating to Electric Lighting, which of the following are True? Select one or more: a. Low Pressure Sodium Vapor Lamps have
Select all that apply. Relating to Electric Lighting, which of the following are True? Select one or more: a. Low Pressure Sodium Vapor Lamps have a good Luminous Efficacy, but a poor Color Rendition Index. Therefore, they are rarely used in interior spaces. b. Incandescent Lights last an average of 1000 hrs.; Compact Fluorescent Lights (CFLs) last an average of 8,000 hrs.; Light Emitting Diode Lights (LEDs) last an average of 25,000 hrs. c. Compact Florescent Lights (CFLs) contain Mercury Vapor, but there is only an inconsequential amount in each bulb. It is acceptable to dispose of them in the general trash. Note: The recycling bin for CFLs in the DuBois Library Foyer is ridiculous and excessive. d. Luminous Efficacy decreases as we transition from Incandescent Lights to Compact Fluorescent Lights (CFLs) to Light Emitting Diode Lights (LEDs)
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