ISA UTILITY ARBORIST MASTER LATEST VERSION UPDATED AND REVISED IN 2025

ISA UTILITY ARBORIST MASTER LATEST VERSION UPDATED
AND REVISED IN 2025



Precipitation that freezes solid before it hits the ground -
ANSWER->Sleet

incident command system - ANSWER->Term for a systematic
method for command, control, and coordination of an
emergency response

Most utilities, municipalities, and large tree contracting firms
have designated storm processes and designated ( ) where
conditions are monitored and decisions are made. - ANSWER-
>emergency operations center

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 - ANSWER->True

Percent accuracy of the US National Hurricane Center to predict
the track of a storm - ANSWER->67

T/F Removal of brush following a storm is typically the
responsibility of the customer - ANSWER->True

,a proactive measure in which all operations are brought to a
halt until relevant safety information can be provided to
response workers - ANSWER->safety stand down

Organizations such as electric utilities may declare an
emergency independent of official government declarations -
ANSWER->True

Enhanced Fujita ratings are based on estimated damage before
the storm - ANSWER->False

Enhanced Fujita ratings are based on wind speeds during the
storm - ANSWER->False

Enhanced Fujita ratings are based on observations during the
storm - ANSWER->False

T/F Enhanced Fujita ratings are based on observed damage
following the storm - ANSWER->True

T/F Rain and snow on dense foliage can increase the likelihood
of tree failure - ANSWER->True

T/F Heavy, wet snows have a snow-to-water equivalent that is
10:1 or less - ANSWER->True

T/F Heavy, wet snows have a snow-to-water equivalent that is
15:10 - ANSWER->False

,T/F Heavy, wet snows have a snow-to-water equivalent that is
20:1 - ANSWER->False

T/F Heavy, wet snows have a snow-to-water equivalent that is
30:1 or more - ANSWER->False

T/F On the Saffir-Simpson Hurricane wind scale, a storm must
be at least category 5 to be considered major - ANSWER->False

T/F On the Saffir-Simpson Hurricane wind scale, a storm must
be at least category 4 to be considered major - ANSWER->False

T/F On the Saffir-Simpson Hurricane wind scale, a storm must
be at least category 3 to be considered major - ANSWER->True

T/F On the Saffir-Simpson Hurricane wind scale, a storm must
be at least 2 category to be considered major - ANSWER->False

T/F A standardized method for improving the overall
effectiveness of emergency response is called an Incident
Coordination System - ANSWER->False

T/F A standardized method for improving the overall
effectiveness of emergency response is known as the Incident
Command System - ANSWER->True

T/F A standardized method for improving the overall
effectiveness of emergency response is known as the
Emergency Command System - ANSWER->False

, T/F A standardized method for improving the overall
effectiveness of emergency response is known as the Disaster
Response System - ANSWER->False

T/F Oversight is not an advantage of providing temporary
accommodations for a large-scale disaster response - ANSWER-
>False

T/F Economics of sale is not an advantage of providing
temporary accommodations for a large-scale disaster response
- ANSWER->False

T/F Communication is not an advantage of providing temporary
accommodations for a large-scale disaster response - ANSWER-
>False

T/F Setup cost is not an advantage of providing temporary
accommodations for a large-scale disaster response - ANSWER-
>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 - ANSWER->True

Precipitation that remains in a liquid state until it freezes on
contact - ANSWER->Freezing rain