Boxes must be marked with the words “DANGER — HIGH VOLTAGE — KEEP OUT” if they house conductors over _____.

a. 240V
b. 480V
c. 600V
d. 1,000V


d. 1,000V

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Identify at least three noneconomic attributes that may be used as evaluation criteria in the decision-making process.

What will be an ideal response?

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List and describe at least three of the jobs connected with the coal industry

What will be an ideal response?

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Scientists have been able to ____ plants using the technique called tissue culture

a. feed c. clone b. water d. revive

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The engine of a refrigeration unit may shut down if:

A. The engine has low oil pressure B. The engine water temperature is too high C. The refrigerant discharge pressure is too high D. All three of these conditions can cause a unit to shut off unexpectedly

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