Which of the following is a true statement?

a. Since shielding gases are not toxic, they do not represent a hazard of any kind.
b. In confined spaces, pure oxygen is the best choice to ventilate the space and push out hazardous gases.
c. Acetylene is heavier than air and collects in any depressed area when it is released.
d. Manganese is a hazardous material found in stainless steel and in some filler metals.


d

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Arrange the following events in chronological order: (A) George Washington surrenders Fort Necessity; (B) General Edward Braddock is defeated near Fort Duquesne; (C) British troops capture Louisbourg in their first significant victory of the French and Indian War; and (D) General James Wolfe's army defeats Montcalm's on the Plains of Abraham.

A. B, A, D, C B. A, B, C, D C. C, B, A, D D. A, C, B, D E. A, B, D, C

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____ refers to a summary of the amount of specific structural materials that will be required to build the building or other kind of structure in question.

A. Contingency values B. Quantity takeoffs C. Aggregate estimates D. Direct costs

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Detailed information related to dampproofing and waterproofing coatings for use on foundation walls can be found in IRC Section ________, Foundation Waterproofing and Dampproofing

A) R406 B) R604 C) R301 D) R102

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For its continued success, Hamilton's financial program relied heavily on

A. foreign trade with Britain and Europe. B. removal of the Spanish from the Mississippi Valley. C. aid from France. D. retiring the national debt. E. high taxes.

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