For the purpose of on-the-job training and when escorted by a qualified person, an unqualified person may cross the _____.

a. arc blast boundary
b. arc flash boundary
c. restricted approach boundary
d. limited approach boundary


d. limited approach boundary

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The name neutron indicates that this heavy particle is electrically ____; neutrality and weight are its most important properties.

a. positive b. neutral c. negative d. ambiguous

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A construction management company is examin­ing its cash flow requirements for the next 7 years. The company expects to replace software and in-field computing equipment at various times over a 7?year planning period. Specifically, the company expects to spend $6000 one year from now, $9000 three years from now, and $10,000 each year in years 6 through 10. What is the future worth in year 10 of the planned expenditures, at an interest rate of 12% per year?

What will be an ideal response?

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The spread footing spreads the force of the foundation wall over a ____ area.

A. narrower B. wider C. more elevated D. warmer

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Why do room air conditioners ice up easier than central air-conditioning systems?

What will be an ideal response?

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