STSC Tool and Equipment Safety

Question 1

What is the most important step a worker must take before operating any power tool on a construction site?

Accepted Answer

Inspect the tool for damage and defects

Answer

OSHA requires workers to inspect tools before each use to identify defects that could cause injury before work begins.

Question 2

When is it appropriate to use a cracked or damaged hand tool on a construction site?

Accepted Answer

Never — it must be removed from service immediately

Answer

Damaged tools must be immediately removed from service and either repaired or replaced to prevent injury to the user or others.

Question 3

What is the primary purpose of blade guards on circular saws?

Accepted Answer

To prevent blade contact and contain sparks and debris

Answer

Blade guards prevent accidental contact with the rotating blade and help contain flying debris and sparks that could injure workers.

Question 4

Under OSHA 29 CFR 1926, which subpart specifically governs hand and power tools used in construction?

Accepted Answer

Subpart I

Answer

OSHA 29 CFR 1926 Subpart I specifically addresses tools — hand and power tools and other hand-held equipment — in construction settings.

Question 5

What does 'double insulation' on an electric power tool indicate?

Accepted Answer

The tool has two separate insulation systems so a separate ground is not required

Answer

Double-insulated tools contain two separate insulation barriers between live parts and the user, making a grounding wire unnecessary for safe operation.

(STSC) Safety Trained Supervisor Construction Practice Test

(STSC) Safety Trained Supervisor Construction Practice Test

STSC Tool and Equipment Safety