A home using 1,500 kWh of energy a month is reaching for a net zero energy rating. What is the general size solar array required to meet 100% of the electrical demands in the home?
A) 12.50 kWh array B) 5.75 kWh array C) 7.75 kWh array D) 10.50 kWh array
A
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A record of work-related illnesses and injuries is kept in the _______________.
Fill in the blank(s) with the appropriate word(s).
Answer the following statement(s) true (T) or false (F)
1. The equipment used to measure ac quantities is the same as the equipment used in dc measurements. 2. The d’Arsonval dc instrument movement can be used for ac measurement if a rectifier is also used. 3. The repulsion-type movement can be used for both current and voltage measurements. 4. The repulsion-attraction movement is used for ammeters but not for voltmeters. 5. When using an oscilloscope, it must be kept in mind that the display shows the voltage with respect to time.
Which of the following lamp designs have the fastest activation time?
A. Halogen. B. Neon. C. Tungsten. D. LED.
A pozzolanic material used in making very high-strength concrete is
a. fly ash b. hydrated lime c. silica fume d. diatomaceous earth