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Green Awareness- Questions & Answers

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Green Awareness- Questions & Answers The magnitude of the power generated in rivers waves and tides depends on the intensity of the waves tides or the flowing water of the river

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  • January 1, 2025
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Green Awareness
  • Green Awareness
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GOLDTUTORS
Green Awareness- Questions & Answers
The magnitude of the power generated in rivers waves and tides depends on the Correct Ans-
intensity of the waves tides or the flowing water of the river



The electronic commutated motor Correct Ans-is a direct current (DC) motor




Variable Frequency Drive motors (VFD) Correct Ans-are typically used on most high
efficiency commercial A.C> systems



Modern bulbs for lighting are rated in Correct Ans-Lumens




Historically, more lighting has been purchased based on the Correct Ans-wattage of the bulb




A lumen is the Correct Ans-amount of light on one square foot of surface created by a candle
one foot away



High voltage transformers used in fluorescent lighting are called Correct Ans-ballasts




Which control can be used to dim fluorescent lighting Correct Ans-Standard dimming
switches



LED is the acronym for which of the following Correct Ans-Light Emitiing Diode

, Flashlights that use LED's can be used continuously, about how long before new batteries are
needed Correct Ans-150 hours




Two major appliances in the home that use the most KW/H are the Correct Ans-electrical
water heater and the clothes drier



An appliance using 7500 watts of power continuously for 5 hours, would use Correct Ans-
37.5 Kilowatt hours



Of all the available water on the planet, how much is fresh water Correct Ans-.3%



The 1992 Energy Policy Act passed requiring that showerheads and faucets were rated at 2.5
Gpm@ Correct Ans-80psi




Showers can us as much as Correct Ans-22% of the water used in a home




Pre-rinse spray valves are used in commercial kitchens to rinse the Correct Ans-food
containers before washing



A faucet water flow restriction device which adds air to the volume of water is the Correct
Ans-aerator

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