How can massive steel beams and girders be expected to behave under severe fire conditions?
A. They frequently fail early.
B. The frequently stay in place.
C. They frequently fail catastrophically.
D. They frequently bow and twist early, but retain approximately 50% strength.
Ans: B. The frequently stay in place.
Health Professions
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Most trench collapses occur in trenches that have which of the following characteristics?
A) Less than 6 feet wide B) Lack of compliance with OSHA regulations C) Less than 12 feet deep D) all of the above
Health Professions