CHST CHST - Construction Health and Safety Technician Scaffolding and Elevated Work Platforms Questions and Answers 3

Question 1

Under OSHA standards, what is the minimum width of a scaffold platform?

Accepted Answer

14 inches

Answer

18 inches

Answer

24 inches

Answer

36 inches

Question 2

A competent person inspects a tube-and-coupler scaffold and finds a coupler is cracked. What is the correct action?

Accepted Answer

Remove the cracked coupler immediately and replace it before use

Answer

Tag it and continue using the scaffold carefully

Answer

Reinforce it with wire and document the finding

Answer

Report it to the supervisor but continue if no other defects exist

Question 3

Which type of scaffold is assembled from prefabricated tubular metal frames and is the most commonly used in US construction?

Accepted Answer

Fabricated frame scaffold

Answer

Tube-and-coupler scaffold

Answer

System scaffold

Answer

Pump jack scaffold

Question 4

What is the purpose of a toeboard on a scaffold platform?

Accepted Answer

To prevent tools and materials from falling to lower levels

Answer

To provide a foothold for climbing

Answer

To mark the edge of the platform for visibility

Answer

To anchor the guardrail post

Question 5

When erecting, moving, dismantling, or altering scaffolding, who must direct these activities?

Accepted Answer

A competent person

Answer

Any qualified worker on site

Answer

The project superintendent

Answer

An OSHA-certified scaffold erector

Question 6

What does OSHA require regarding access to scaffold platforms more than 2 feet above or below a point of access?

Accepted Answer

Safe access must be provided such as a ladder, stairway, or ramp

Answer

A portable ladder may be used at any height

Answer

Workers may use scaffold cross-bracing if no other access exists

Answer

Access is only required if the scaffold is over 10 feet high