A(n) ____ circuit interrupter is a device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing and by functioning to de-energize the circuit when an arc fault is detected.

a. extended
b. overload
c. arc-fault
d. closed


c. arc-fault

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Which of the following measurement(s) demonstrated the growing inequality in America from the mid-1960s to 2012?

A. Some 46.5 million Americans or 15 percent of all Americas remained mired in poverty in 2012, and the poverty rate among Hispanics and African Americans was even higher in 2012. B. The top five percent of income earners saw their share of the national income grow from about 15 percent in 1968 to approximately 22 percent in 2012. C. The top one percent saw their share of national income increase from about eight percent to approximately 19 percent in 2012. D. The income earned by chief executives was 20 times as much as the average worker in their corporations; in 2012, they earned 273 times as much as the average company worker. E. All of these choices are correct.

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Floor jacks are designed to support a load

Indicate whether the statement is true or false

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Using compressed air and an air gun, what is the maximum allowable air pressure?

A) 20 psi B) 40 psi C) 10 psi D) 30 psi

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Not drinking enough water is one cause of poor nutrition.

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

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