ISA UTILITY ARBORIST TEST PAPER 2025/2026 QUESTIONS
WITH ANSWERS GRADED A+
✔✔False - ✔✔T/F On the Saffir-Simpson Hurricane wind scale, a storm must be at least
category 4 to be considered major
✔✔True - ✔✔T/F On the Saffir-Simpson Hurricane wind scale, a storm must be at least
category 3 to be considered major
✔✔False - ✔✔T/F On the Saffir-Simpson Hurricane wind scale, a storm must be at least
2 category to be considered major
✔✔False - ✔✔T/F A standardized method for improving the overall effectiveness of
emergency response is called an Incident Coordination System
✔✔True - ✔✔T/F A standardized method for improving the overall effectiveness of
emergency response is known as the Incident Command System
✔✔False - ✔✔T/F A standardized method for improving the overall effectiveness of
emergency response is known as the Emergency Command System
✔✔False - ✔✔T/F A standardized method for improving the overall effectiveness of
emergency response is known as the Disaster Response System
✔✔False - ✔✔T/F Oversight is not an advantage of providing temporary
accommodations for a large-scale disaster response
✔✔False - ✔✔T/F Economics of sale is not an advantage of providing temporary
accommodations for a large-scale disaster response
✔✔False - ✔✔T/F Communication is not an advantage of providing temporary
accommodations for a large-scale disaster response
✔✔True - ✔✔T/F Setup cost is not an advantage of providing temporary
accommodations for a large-scale disaster response
✔✔True - ✔✔T/F Coniferous trees that receive frequent, heavy snows are better
adapted to snow loading than such trees in areas where snow is rare
✔✔Freezing rain - ✔✔Precipitation that remains in a liquid state until it freezes on
contact
✔✔Occupational Safety and Health Administration - ✔✔In the United States,
enforcement of safety work rules resides within which organization (full Acronym)
,✔✔True - ✔✔T/F A worker neglecting to wear cut resistant chaps while operating a
chainsaw is committing an unsafe act, while an employer failing to provide chaps is
creating an unsafe condition.
✔✔True - ✔✔T/F The 2 minute rule suggests that workers should take time before
starting a job to check for potentially unsafe conditions and confer about them
✔✔True - ✔✔True/False Surface temperatures at the point of contact with high voltage
can reach 1000 C/1832 F
✔✔True - ✔✔T/F Direct contact occurs when someone touches an energized fixture.
Indirect contact can occur when a person touches a conductive object that is in contact
with an energized fixture
✔✔touch potential - ✔✔Term for the difference in voltage between two objects
someone simultaneously contacts
✔✔step potential - ✔✔term for the difference in voltage on the ground between two of a
person's body parts near where electricity goes into the ground
✔✔indirect contact - ✔✔Term for the threat of an energized human body, tree, or
climbing rope area
✔✔True - ✔✔T/F The safety acronym STAR is valuable for preventing errors, and
stands for Stop, Think, Act, Review
✔✔False - ✔✔T/F The safety acronym STAR is valuable for preventing errors, and
stands for Stop, Think, Adjust, Reason
✔✔False - ✔✔T/F The safety acronym STAR is valuable for preventing errors, and
stands for Safety, Training, Action, Review
✔✔False - ✔✔T/F The safety acronym STAR is valuable for preventing errors, and
stands for Stop, Train, Act, Reflect
✔✔True - ✔✔T/F A high-reliability organization would not always accept the simplest
explanation for close calls or minor incidents
✔✔False - ✔✔T/F A high-reliability organization would not always accept the need to
adhere to electrical minimum approach distances
✔✔False - ✔✔T/F A high-reliability organization would not always accept the
employee's first request for personal protective equipment
, ✔✔False - ✔✔A high-reliability organization would not always accept the necessity to
perform safety meetings and work briefings
✔✔True - ✔✔T/F There are no published safety data related specifically to utility
arboriculture
✔✔False - ✔✔T/F The recommended way for an employer to create a safe workplace is
to provide a workplace that is free of known dangers
✔✔False - ✔✔T/F The recommended way for an employer to create a safe workplace is
to provide personal protective equipment free of charge
✔✔True - ✔✔T/F The recommended way for an employer to create a safe workplace is
to provide employees within minimal control over their work environment
✔✔False - ✔✔T/F The recommended way for an employer to create a safe workplace is
to inform employees of their rights and duties under the company's safety and health
program
✔✔True - ✔✔T/F Unsafe acts include willful rule violation, maliciousness, and human
error
✔✔False - ✔✔T/F Unsafe acts include willful rule violation, not using active listening
with customers, and improper use of PPE
✔✔False - ✔✔T/F The term accident is in disfavor because it implies that outcomes are
due to equipment failure
✔✔False - ✔✔T/F The term accident is in disfavor because it implies that outcomes are
due to ignorance
✔✔False - ✔✔T/F The term accident is in disfavor because it implies that outcomes are
due to back luck
✔✔False - ✔✔T/F The term accident is in disfavor because it implies that outcomes are
due to lack of training
✔✔False - ✔✔T/F A worker neglecting to wear cut resistant chaps while operating a
chainsaw is committing to an unsafe condition, while an employer failing to provide
chaps is committing an unsafe act.
✔✔True - ✔✔T/F According to ANSI Z133, the minimum approach distance for persons
other than the qualified line-clearance arborists for 7.2 kV is 10 feet/ 3.25 meters
WITH ANSWERS GRADED A+
✔✔False - ✔✔T/F On the Saffir-Simpson Hurricane wind scale, a storm must be at least
category 4 to be considered major
✔✔True - ✔✔T/F On the Saffir-Simpson Hurricane wind scale, a storm must be at least
category 3 to be considered major
✔✔False - ✔✔T/F On the Saffir-Simpson Hurricane wind scale, a storm must be at least
2 category to be considered major
✔✔False - ✔✔T/F A standardized method for improving the overall effectiveness of
emergency response is called an Incident Coordination System
✔✔True - ✔✔T/F A standardized method for improving the overall effectiveness of
emergency response is known as the Incident Command System
✔✔False - ✔✔T/F A standardized method for improving the overall effectiveness of
emergency response is known as the Emergency Command System
✔✔False - ✔✔T/F A standardized method for improving the overall effectiveness of
emergency response is known as the Disaster Response System
✔✔False - ✔✔T/F Oversight is not an advantage of providing temporary
accommodations for a large-scale disaster response
✔✔False - ✔✔T/F Economics of sale is not an advantage of providing temporary
accommodations for a large-scale disaster response
✔✔False - ✔✔T/F Communication is not an advantage of providing temporary
accommodations for a large-scale disaster response
✔✔True - ✔✔T/F Setup cost is not an advantage of providing temporary
accommodations for a large-scale disaster response
✔✔True - ✔✔T/F Coniferous trees that receive frequent, heavy snows are better
adapted to snow loading than such trees in areas where snow is rare
✔✔Freezing rain - ✔✔Precipitation that remains in a liquid state until it freezes on
contact
✔✔Occupational Safety and Health Administration - ✔✔In the United States,
enforcement of safety work rules resides within which organization (full Acronym)
,✔✔True - ✔✔T/F A worker neglecting to wear cut resistant chaps while operating a
chainsaw is committing an unsafe act, while an employer failing to provide chaps is
creating an unsafe condition.
✔✔True - ✔✔T/F The 2 minute rule suggests that workers should take time before
starting a job to check for potentially unsafe conditions and confer about them
✔✔True - ✔✔True/False Surface temperatures at the point of contact with high voltage
can reach 1000 C/1832 F
✔✔True - ✔✔T/F Direct contact occurs when someone touches an energized fixture.
Indirect contact can occur when a person touches a conductive object that is in contact
with an energized fixture
✔✔touch potential - ✔✔Term for the difference in voltage between two objects
someone simultaneously contacts
✔✔step potential - ✔✔term for the difference in voltage on the ground between two of a
person's body parts near where electricity goes into the ground
✔✔indirect contact - ✔✔Term for the threat of an energized human body, tree, or
climbing rope area
✔✔True - ✔✔T/F The safety acronym STAR is valuable for preventing errors, and
stands for Stop, Think, Act, Review
✔✔False - ✔✔T/F The safety acronym STAR is valuable for preventing errors, and
stands for Stop, Think, Adjust, Reason
✔✔False - ✔✔T/F The safety acronym STAR is valuable for preventing errors, and
stands for Safety, Training, Action, Review
✔✔False - ✔✔T/F The safety acronym STAR is valuable for preventing errors, and
stands for Stop, Train, Act, Reflect
✔✔True - ✔✔T/F A high-reliability organization would not always accept the simplest
explanation for close calls or minor incidents
✔✔False - ✔✔T/F A high-reliability organization would not always accept the need to
adhere to electrical minimum approach distances
✔✔False - ✔✔T/F A high-reliability organization would not always accept the
employee's first request for personal protective equipment
, ✔✔False - ✔✔A high-reliability organization would not always accept the necessity to
perform safety meetings and work briefings
✔✔True - ✔✔T/F There are no published safety data related specifically to utility
arboriculture
✔✔False - ✔✔T/F The recommended way for an employer to create a safe workplace is
to provide a workplace that is free of known dangers
✔✔False - ✔✔T/F The recommended way for an employer to create a safe workplace is
to provide personal protective equipment free of charge
✔✔True - ✔✔T/F The recommended way for an employer to create a safe workplace is
to provide employees within minimal control over their work environment
✔✔False - ✔✔T/F The recommended way for an employer to create a safe workplace is
to inform employees of their rights and duties under the company's safety and health
program
✔✔True - ✔✔T/F Unsafe acts include willful rule violation, maliciousness, and human
error
✔✔False - ✔✔T/F Unsafe acts include willful rule violation, not using active listening
with customers, and improper use of PPE
✔✔False - ✔✔T/F The term accident is in disfavor because it implies that outcomes are
due to equipment failure
✔✔False - ✔✔T/F The term accident is in disfavor because it implies that outcomes are
due to ignorance
✔✔False - ✔✔T/F The term accident is in disfavor because it implies that outcomes are
due to back luck
✔✔False - ✔✔T/F The term accident is in disfavor because it implies that outcomes are
due to lack of training
✔✔False - ✔✔T/F A worker neglecting to wear cut resistant chaps while operating a
chainsaw is committing to an unsafe condition, while an employer failing to provide
chaps is committing an unsafe act.
✔✔True - ✔✔T/F According to ANSI Z133, the minimum approach distance for persons
other than the qualified line-clearance arborists for 7.2 kV is 10 feet/ 3.25 meters
