Certified Arborist Test Safe Work Practices 4

Question 1

What is the minimum safe working distance from overhead power lines for an arborist using non-insulated equipment?

Accepted Answer

10 feet

Answer

OSHA requires a minimum clearance of 10 feet from power lines for unqualified workers using non-insulated equipment. Greater distances may be required for higher voltages.

Question 2

Before starting any tree work, what is the first step in a job hazard assessment?

Accepted Answer

Conducting a 360-degree walk-around inspection of the tree and site

Answer

A 360-degree walk-around identifies hazards including dead branches, power lines, decay, lean direction, target zones, and ground conditions before any work begins.

Question 3

When operating a chainsaw, what personal protective equipment (PPE) is required?

Accepted Answer

Hard hat, eye protection, hearing protection, chainsaw chaps or pants, and boots

Answer

Complete chainsaw PPE includes a hard hat with face screen, eye protection, hearing protection, cut-resistant chainsaw chaps or pants, and steel-toed/chainsaw-resistant boots.

Question 4

What is the 'two-tie' or 'two-point' rule in tree climbing?

Accepted Answer

The climber must be secured by two independent attachment points at all times

Answer

The two-point rule requires climbers to maintain two independent points of attachment to the tree whenever possible, so that failure of one doesn't result in a fall.

Question 5

What is a 'drop zone' and who is responsible for maintaining it?

Accepted Answer

The area below where branches and debris will fall; the ground crew

Answer

The drop zone is the area where cut material will fall. The ground crew is responsible for keeping this area clear of workers, pedestrians, and obstacles.

Certified Arborist Test Practice Test

Certified Arborist Test Practice Test

Certified Arborist Test Safe Work Practices 4