As little as ___________________ of current can be lethal.

What will be an ideal response?


15 milliamps

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When soil or gravel is excavated, the resulting material is less dense than it was in the ground before it was disturbed. This same material now occupies more volume, a concept called the ____.

A. compaction factor B. swell factor C. stability factor D. growth factor

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If you did not have factory instructions on setting the cut-out of a high pressure control, which of the following would most likely be acceptable for the outdoor unit you are working on?

a. Set the cut-out at 400 psig. b. Set the cut-out at a pressure equivalent to a 155° condensing temperature for that refrigerant. c. Set the cut-out at a pressure equivalent to 30° above the highest ambient the unit will probably encounter. d. Use the maximum setting on the high pressure control you plan to use.

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A(n) ____ is a variable that represents a set of key/value pairs.

A. string B. array C. tuple D. hash

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The two pressures that push to close a thermostatic expansion valve are the ____________________ pressure and the ____________________ pressure.

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

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