CSLB C-39 Roofing (Trade Exam) — All Questions

55 questions

Safety

A personal fall arrest system is used with a body harness. How far may the worker free fall?

  • a.No more than 6 feet✓
  • b.No more than 10 feet
  • c.No more than 2 feet
  • d.No more than 3.5 feet

The system must be rigged so the employee can neither free fall more than 6 feet nor contact a lower level. 2 feet is the positioning device limit, 3.5 feet is the maximum deceleration distance, and 10 feet exceeds the rule.Cal. Code Regs. tit. 8 §1670(b)(11)

Safety

Where must the attachment point of a body harness be located?

  • a.At the front of the waist, on a belt D-ring
  • b.At a side D-ring located on either hip
  • c.Center of back, at or above shoulder level✓
  • d.At the ankle level on a sewn leg strap

The attachment point is in the center of the wearer's back near shoulder level or above the head. Waist, hip or ankle attachment would pull the wearer into a bent or inverted position in a fall.Cal. Code Regs. tit. 8 §1670(b)(12)

Safety

Where must a control line be erected relative to the leading or unprotected edge?

  • a.At least 30 feet from it
  • b.Between 6 and 25 feet from it✓
  • c.Between 2 and 5 feet from it
  • d.At the edge

Control lines are erected not less than 6 feet nor more than 25 feet from the unprotected or leading edge. A line within 5 feet is too close to be a barrier, 30 feet is beyond the limit, and a line at the edge does not mark a zone.Cal. Code Regs. tit. 8 §1671.2

Safety

A ramp is used only to load roofing materials at an elevation up to 20 feet. What is its minimum width?

  • a.24 inches
  • b.20 inches
  • c.40 inches✓
  • d.60 inches

Ramps or runways used exclusively for loading roofing materials up to 20 feet high must be at least 40 inches wide. 20 and 24 inches are too narrow, and 60 inches exceeds the rule.Cal. Code Regs. tit. 8 §1724(h)

Safety

On a roofer's crawling board, cleats may be set no farther apart than what?

  • a.12 inches
  • b.36 inches
  • c.24 inches✓
  • d.48 inches

Crawling boards have cleats of at least 1 by 1-1/2 inch material spaced at equal intervals not exceeding 24 inches. 12 inches is closer than needed, and 36 and 48 inches are wider than the limit.Cal. Code Regs. tit. 8 §1724(b)