Contrast applications for a stand-alone solar electric system that does not require a battery backup with applications that do need a battery backup

What will be an ideal response?


In cases where battery backup is not required, the system can be constructed cheaper and will have less maintenance issues. Batteries may be necessary for an emergency backup when utility service goes down.

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Match the following occupations to the correct descriptions

a. processor d. wholesaler b. distributor e. packer c. grader f. harvester 1. person who sells to retailer 2. person involved in cleaning, handling, and preparing food 3. person who puts food into crates or bins 4. person who removes edible portions from plants in field 5. person who stores food 6. person who inspects food for quality and freshness

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As the evaporator load increases, an automatic expansion valve will ____________________ to maintain the suction pressure at the set point.

Fill in the blank(s) with the appropriate word(s).

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Soil taxonomy is based on properties of the soil as they can be observed in the field or laboratory

Does it include a hierarchical grouping to show how the levels relate?

Indicate by YES (Y) or NO (N).

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A timer instruction has ____________________ element(s) and a bit instruction has ____________________ element(s).

Fill in the blank(s) with the appropriate word(s).

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