ISA Certified Arborist Exam [isa]

Question 1

An arborist who is NOT a qualified line-clearance arborist is assigned to prune a tree with branches that are 12 feet away from a 45 kV (45,000 volts) primary distribution line. According to ANSI Z133 standards, what is the required action?

Use a fiberglass pole pruner to maintain a safe distance. Proceed with the work as long as a spotter is present to monitor clearance. Notify the electric utility and halt work until the lines are de-energized or shielded. Trim only the branches that are more than 10 feet away from the line.

Correct Answer:

Notify the electric utility and halt work until the lines are de-energized or shielded.

Question 2

Rotational kickback is a primary hazard when operating a chainsaw. This violent, upward and backward motion of the saw is most likely to occur when which part of the guide bar makes contact with a solid object?

The bottom edge of the bar, used for a pulling chain. The upper quadrant of the guide bar's tip. The top edge of the bar near the powerhead. The body of the bar, when it gets pinched in a cut.

Correct Answer:

The upper quadrant of the guide bar's tip.

Question 3

Which of the following is a critical and mandatory step in emergency preparedness that must be completed BEFORE an arborist begins any tree climbing or aerial lift operation?

Ensure the client has paid for the job in full. Have at least one other worker on-site who is trained in aerial rescue and first aid. Complete a full inventory of all ground tools. Position the wood chipper for immediate use.

Correct Answer:

Have at least one other worker on-site who is trained in aerial rescue and first aid.

Question 4

A ground worker is tasked with operating a chainsaw to buck logs into smaller pieces at a job site. According to ANSI Z133 standards, which of the following combinations represents the MINIMUM required personal protective equipment (PPE) for this task?

Hard hat, hearing protection, eye protection, and cut-resistant leg protection. Steel-toed boots, gloves, and safety glasses. A high-visibility vest and a hard hat. Hearing protection and cut-resistant chaps.

Correct Answer:

Hard hat, hearing protection, eye protection, and cut-resistant leg protection.

Question 5

During a rigging operation to remove a large limb, an arborist needs to attach the rigging line to the piece being cut. Which of the following knots is most appropriate for this application because it forms a secure, non-jamming sliding loop that cinches tightly around the limb?

Figure 8 on a bight Taut-line hitch Prusik knot Running bowline

Correct Answer:

Running bowline

Exam overview

About this Exam

Prepare with the ISA Certified Arborist Exam [isa] practice quiz. This question bank includes 200 questions covering tree, arborist, soil, primary, and trees. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ISA Certified Arborist Exam [isa]

This practice set contains 200 questions from the matching question bank and focuses on tree, arborist, soil, primary, and trees. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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ISA Certified Arborist Exam [isa]

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