ISA Utility Specialist (Ch. 3 Utility
Pruning) QUESTIONS & VALID
ANSWERS
ensuring reliable service - correct answer ✔✔Utility pruning is the pruning of trees located in
the vicinity of power lines for the purpose of __________ __________ __________.
internodal cuts
(e.g. topping) - correct answer ✔✔Which type of cuts are less unacceptable?
nodal cuts
(e.g. drop-crotch, thinning) - correct answer ✔✔Which type of cuts are more acceptable?
just outside of the branch bark ridge and the branch collar - correct answer ✔✔Where should
the final cut be made for proper utility pruning?
the trunk - correct answer ✔✔Flush cuts damage which tissues?
to maintain safety and rights-of-way - correct answer ✔✔Why is utility pruning done?
directional pruning - correct answer ✔✔Which type of pruning encourages the growth of
branches away from the wires?
25%
, (this is according to ANSI A300) - correct answer ✔✔What is the maximum amount of foliage
that should be removed in one growing season?
during storm restoration - correct answer ✔✔When is it acceptable to deviate from the pruning
standards?
ANSI A300 - correct answer ✔✔In the U.S., pruning should be conducted according to
__________ __________.
overall;
shoots - correct answer ✔✔Utility pruning removes the leaves and reduces a tree's __________
growth, but remaining __________ may grow more.
clearance - correct answer ✔✔Utility pruning is mainly conducted to provide __________ from
power lines.
natural & targeted - correct answer ✔✔Utility pruning should use __________ & __________
pruning principals
1/3 - correct answer ✔✔Crown reduction removes main branches to lower limbs no less than
__________ the diameter of the original limb.
tree species & climate conditions - correct answer ✔✔When pruning near conductors,
overhanging branches can be left in place, depending on __________ __________ &
__________ __________.
growth rates - correct answer ✔✔A pruning cycle should be based on tree __________
__________.
Pruning) QUESTIONS & VALID
ANSWERS
ensuring reliable service - correct answer ✔✔Utility pruning is the pruning of trees located in
the vicinity of power lines for the purpose of __________ __________ __________.
internodal cuts
(e.g. topping) - correct answer ✔✔Which type of cuts are less unacceptable?
nodal cuts
(e.g. drop-crotch, thinning) - correct answer ✔✔Which type of cuts are more acceptable?
just outside of the branch bark ridge and the branch collar - correct answer ✔✔Where should
the final cut be made for proper utility pruning?
the trunk - correct answer ✔✔Flush cuts damage which tissues?
to maintain safety and rights-of-way - correct answer ✔✔Why is utility pruning done?
directional pruning - correct answer ✔✔Which type of pruning encourages the growth of
branches away from the wires?
25%
, (this is according to ANSI A300) - correct answer ✔✔What is the maximum amount of foliage
that should be removed in one growing season?
during storm restoration - correct answer ✔✔When is it acceptable to deviate from the pruning
standards?
ANSI A300 - correct answer ✔✔In the U.S., pruning should be conducted according to
__________ __________.
overall;
shoots - correct answer ✔✔Utility pruning removes the leaves and reduces a tree's __________
growth, but remaining __________ may grow more.
clearance - correct answer ✔✔Utility pruning is mainly conducted to provide __________ from
power lines.
natural & targeted - correct answer ✔✔Utility pruning should use __________ & __________
pruning principals
1/3 - correct answer ✔✔Crown reduction removes main branches to lower limbs no less than
__________ the diameter of the original limb.
tree species & climate conditions - correct answer ✔✔When pruning near conductors,
overhanging branches can be left in place, depending on __________ __________ &
__________ __________.
growth rates - correct answer ✔✔A pruning cycle should be based on tree __________
__________.
