Preparing a house for a future solar array is not complicated and can simplify the eventual installation if done properly. Where there is a south or near-south facing roof, it should be designed to have a minimum of ____ square feet of unshaded area with no mechanical penetrations such as plumbing vents, wires, or other obstructions.

A. 100
B. 200
C. 300
D. 400


Answer: B

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Position sensors have the ability to sense the intensity of the magnetic field.

Answer the following statement true (T) or false (F)

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The true power is also called effective power because it has a direct effect on the load.

Answer the following statement true (T) or false (F)

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The clean feature in the microwave oven counter block is ________ and active ________

Fill in the blank(s) with correct word

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Which of the following elements must be located or laid out before a development can actually be started?

A. true lengths B. true distances C. station lines D. both A and B

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