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NASCLA Commercial General Building Contractor — Practice Exam

General requirements: safety: practice questions

Our NASCLA Commercial GC bank has 53 questions on this topic. Here are 5 of them with answers; the full mock exam draws from every topic, like the real one.

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Question 1

What fire extinguisher coverage does OSHA require in a building under construction?

  1. One 10B extinguisher on each floor, placed wherever it is most convenient for crews
  2. One extinguisher at the main gate
  3. One 2A extinguisher per 3,000 sq ft, within 100 feet of travel
  4. One extinguisher per 10,000 sq ft
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C. One 2A extinguisher per 3,000 sq ft, within 100 feet of travel — OSHA 1926.150(c)(1).

Question 2

How often must a competent person inspect scaffolds for visible defects?

  1. Before each work shift and after anything that could affect integrity
  2. Only when the scaffold is first erected
  3. Once a week, with a written log kept in the site office for review by OSHA
  4. Once a month
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A. Before each work shift and after anything that could affect integrity — OSHA 1926.451(f)(3).

Question 3

Above what height must workers on a scaffold be protected from falls?

  1. More than 20 feet above a lower level
  2. More than 6 feet, the same as other surfaces
  3. More than 15 feet above a lower level
  4. More than 10 feet above a lower level
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D. More than 10 feet above a lower level — OSHA 1926.451(g)(1).

Question 4

Under the hazard communication standard, what must be available for each hazardous chemical on site?

  1. A building permit
  2. A safety data sheet (SDS)
  3. A purchase receipt
  4. A warranty card
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B. A safety data sheet (SDS) — Containers must also be labeled and workers trained (1926.59 / 1910.1200).

Question 5

What is the minimum strength of an anchorage used for personal fall arrest, if not designed by a qualified person?

  1. 500 pounds per employee
  2. 1,000 pounds per employee attached, with a safety factor of two
  3. 2,000 pounds for every two employees attached
  4. 5,000 pounds per employee attached
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D. 5,000 pounds per employee attached — Or designed with a safety factor of at least two under a qualified person's supervision (1926.502(d)(15)).

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