ISA Utility Arborist Master Study Set (All
Sections) UPDATED Exam Questions and
CORRECT Answers
Sleet - Correct Answer- Precipitation that freezes solid before it hits the ground
Term for a systematic method for command, control, and coordination of an emergency
response - Correct Answer- incident command system
emergency operations center - Correct Answer- Most utilities, municipalities, and large tree
contracting firms have designated storm processes and designated ( ) where conditions are
monitored and decisions are made.
True - Correct Answer- T/F Personell from external organizations who travel to a storm area
are generally paid the higher of either their home pay rates or the established local rates
67 - Correct Answer- Percent accuracy of the US National Hurricane Center to predict the
track of a storm
True - Correct Answer- T/F Removal of brush following a storm is typically the responsibility
of the customer
safety stand down - Correct Answer- a proactive measure in which all operations are brought
to a halt until relevant safety information can be provided to response workers
True - Correct Answer- Organizations such as electric utilities may declare an emergency
independent of official government declarations
False - Correct Answer- Enhanced Fujita ratings are based on estimated damage before the
storm
False - Correct Answer- Enhanced Fujita ratings are based on wind speeds during the storm
,False - Correct Answer- Enhanced Fujita ratings are based on observations during the storm
True - Correct Answer- T/F Enhanced Fujita ratings are based on observed damage following
the storm
True - Correct Answer- T/F Rain and snow on dense foliage can increase the likelihood of
tree failure
True - Correct Answer- T/F Heavy, wet snows have a snow-to-water equivalent that is 10:1 or
less
False - Correct Answer- T/F Heavy, wet snows have a snow-to-water equivalent that is 15:10
False - Correct Answer- T/F Heavy, wet snows have a snow-to-water equivalent that is 20:1
False - Correct Answer- T/F Heavy, wet snows have a snow-to-water equivalent that is 30:1
or more
False - Correct Answer- T/F On the Saffir-Simpson Hurricane wind scale, a storm must be at
least category 5 to be considered major
False - Correct Answer- T/F On the Saffir-Simpson Hurricane wind scale, a storm must be at
least category 4 to be considered major
True - Correct Answer- T/F On the Saffir-Simpson Hurricane wind scale, a storm must be at
least category 3 to be considered major
False - Correct Answer- T/F On the Saffir-Simpson Hurricane wind scale, a storm must be at
least 2 category to be considered major
False - Correct Answer- T/F A standardized method for improving the overall effectiveness of
emergency response is called an Incident Coordination System
,True - Correct Answer- T/F A standardized method for improving the overall effectiveness of
emergency response is known as the Incident Command System
False - Correct Answer- T/F A standardized method for improving the overall effectiveness of
emergency response is known as the Emergency Command System
False - Correct Answer- T/F A standardized method for improving the overall effectiveness of
emergency response is known as the Disaster Response System
False - Correct Answer- T/F Oversight is not an advantage of providing temporary
accommodations for a large-scale disaster response
False - Correct Answer- T/F Economics of sale is not an advantage of providing temporary
accommodations for a large-scale disaster response
False - Correct Answer- T/F Communication is not an advantage of providing temporary
accommodations for a large-scale disaster response
True - Correct Answer- T/F Setup cost is not an advantage of providing temporary
accommodations for a large-scale disaster response
True - Correct Answer- 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 - Correct Answer- Precipitation that remains in a liquid state until it freezes on
contact
Occupational Safety and Health Administration - Correct Answer- In the United States,
enforcement of safety work rules resides within which organization (full Acronym)
True - Correct Answer- 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 - Correct Answer- 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 - Correct Answer- True/False Surface temperatures at the point of contact with high
voltage can reach 1000 C/1832 F
True - Correct Answer- 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 - Correct Answer- Term for the difference in voltage between two objects
someone simultaneously contacts
step potential - Correct Answer- 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 - Correct Answer- Term for the threat of an energized human body, tree, or
climbing rope area
True - Correct Answer- T/F The safety acronym STAR is valuable for preventing errors, and
stands for Stop, Think, Act, Review
False - Correct Answer- T/F The safety acronym STAR is valuable for preventing errors, and
stands for Stop, Think, Adjust, Reason
False - Correct Answer- T/F The safety acronym STAR is valuable for preventing errors, and
stands for Safety, Training, Action, Review
False - Correct Answer- T/F The safety acronym STAR is valuable for preventing errors, and
stands for Stop, Train, Act, Reflect
True - Correct Answer- T/F A high-reliability organization would not always accept the
simplest explanation for close calls or minor incidents
Sections) UPDATED Exam Questions and
CORRECT Answers
Sleet - Correct Answer- Precipitation that freezes solid before it hits the ground
Term for a systematic method for command, control, and coordination of an emergency
response - Correct Answer- incident command system
emergency operations center - Correct Answer- Most utilities, municipalities, and large tree
contracting firms have designated storm processes and designated ( ) where conditions are
monitored and decisions are made.
True - Correct Answer- T/F Personell from external organizations who travel to a storm area
are generally paid the higher of either their home pay rates or the established local rates
67 - Correct Answer- Percent accuracy of the US National Hurricane Center to predict the
track of a storm
True - Correct Answer- T/F Removal of brush following a storm is typically the responsibility
of the customer
safety stand down - Correct Answer- a proactive measure in which all operations are brought
to a halt until relevant safety information can be provided to response workers
True - Correct Answer- Organizations such as electric utilities may declare an emergency
independent of official government declarations
False - Correct Answer- Enhanced Fujita ratings are based on estimated damage before the
storm
False - Correct Answer- Enhanced Fujita ratings are based on wind speeds during the storm
,False - Correct Answer- Enhanced Fujita ratings are based on observations during the storm
True - Correct Answer- T/F Enhanced Fujita ratings are based on observed damage following
the storm
True - Correct Answer- T/F Rain and snow on dense foliage can increase the likelihood of
tree failure
True - Correct Answer- T/F Heavy, wet snows have a snow-to-water equivalent that is 10:1 or
less
False - Correct Answer- T/F Heavy, wet snows have a snow-to-water equivalent that is 15:10
False - Correct Answer- T/F Heavy, wet snows have a snow-to-water equivalent that is 20:1
False - Correct Answer- T/F Heavy, wet snows have a snow-to-water equivalent that is 30:1
or more
False - Correct Answer- T/F On the Saffir-Simpson Hurricane wind scale, a storm must be at
least category 5 to be considered major
False - Correct Answer- T/F On the Saffir-Simpson Hurricane wind scale, a storm must be at
least category 4 to be considered major
True - Correct Answer- T/F On the Saffir-Simpson Hurricane wind scale, a storm must be at
least category 3 to be considered major
False - Correct Answer- T/F On the Saffir-Simpson Hurricane wind scale, a storm must be at
least 2 category to be considered major
False - Correct Answer- T/F A standardized method for improving the overall effectiveness of
emergency response is called an Incident Coordination System
,True - Correct Answer- T/F A standardized method for improving the overall effectiveness of
emergency response is known as the Incident Command System
False - Correct Answer- T/F A standardized method for improving the overall effectiveness of
emergency response is known as the Emergency Command System
False - Correct Answer- T/F A standardized method for improving the overall effectiveness of
emergency response is known as the Disaster Response System
False - Correct Answer- T/F Oversight is not an advantage of providing temporary
accommodations for a large-scale disaster response
False - Correct Answer- T/F Economics of sale is not an advantage of providing temporary
accommodations for a large-scale disaster response
False - Correct Answer- T/F Communication is not an advantage of providing temporary
accommodations for a large-scale disaster response
True - Correct Answer- T/F Setup cost is not an advantage of providing temporary
accommodations for a large-scale disaster response
True - Correct Answer- 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 - Correct Answer- Precipitation that remains in a liquid state until it freezes on
contact
Occupational Safety and Health Administration - Correct Answer- In the United States,
enforcement of safety work rules resides within which organization (full Acronym)
True - Correct Answer- 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 - Correct Answer- 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 - Correct Answer- True/False Surface temperatures at the point of contact with high
voltage can reach 1000 C/1832 F
True - Correct Answer- 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 - Correct Answer- Term for the difference in voltage between two objects
someone simultaneously contacts
step potential - Correct Answer- 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 - Correct Answer- Term for the threat of an energized human body, tree, or
climbing rope area
True - Correct Answer- T/F The safety acronym STAR is valuable for preventing errors, and
stands for Stop, Think, Act, Review
False - Correct Answer- T/F The safety acronym STAR is valuable for preventing errors, and
stands for Stop, Think, Adjust, Reason
False - Correct Answer- T/F The safety acronym STAR is valuable for preventing errors, and
stands for Safety, Training, Action, Review
False - Correct Answer- T/F The safety acronym STAR is valuable for preventing errors, and
stands for Stop, Train, Act, Reflect
True - Correct Answer- T/F A high-reliability organization would not always accept the
simplest explanation for close calls or minor incidents
