CHST Struck-by and Caught-in/Between Hazards 5

Question 1

Under 1926.201, highway work zone signs, signals, and flagger practices must meet which standard?

Accepted Answer

The MUTCD (Manual on Uniform Traffic Control Devices)

Answer

OSHA 1926.201 and 1926.202 incorporate FHWA's MUTCD Part 6 for temporary traffic control in work zones.

Question 2

Which ANSI/ISEA 107 high-visibility garment class is recommended for flaggers on high-speed roadways at night?

Accepted Answer

Class 3

Answer

Class 3 garments have the most background and retroreflective material and suit high-speed traffic and low-light work.

Question 3

Which hard hat type, per ANSI/ISEA Z89.1, protects against both top and lateral (side) impacts?

Accepted Answer

Type II

Answer

Type II helmets are tested for top and lateral impact, while Type I covers top impact only.

Question 4

Under 1926.252(b), debris dropped through floor holes without a chute requires barricades of what minimum height and setback?

Accepted Answer

42 inches high, 6 feet back from the projected edge of the opening above

Answer

The drop area must be enclosed by barricades at least 42 inches high and at least 6 feet back from the projected edge of the opening above, with warning signs posted.

Question 5

Under 1926.250, what must be done when masonry blocks are stacked higher than 6 feet?

Accepted Answer

The stack must be tapered back one-half block per tier above the 6-foot level

Answer

Block stacks above 6 feet must be tapered back a half block per tier so they cannot topple onto workers.

CHST - Construction Health and Safety Technician Practice Test

CHST - Construction Health and Safety Technician Practice Test

CHST Struck-by and Caught-in/Between Hazards 5