ISA - CERTIFIED ARBORIST - TEST 3 –
PRF QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT | LATEST
Which of the following devices is used to prevent excessive wear to a cable that is
attached to anchoring hardware? ypg70
_ cable aid
- lag hook
- ship auger
- thimble - ANSWER thimble
Which of the following is NOT an adverse consequence of lion tailing? Ypg70
- water sprouts
- sunburned bark
- barber chair
- weak branches - ANSWER barber chair
If a branch is tip-tied, which end will fall away from the cut? YPg70
- tip end
- butt end
- middle
-it is impossible to predict - ANSWER butt end
,Mycorrhizae are the beneficial relationship between tree roots and? YPg70
- grasses
- fungi
- insects
- mulch - ANSWER fungi
In which of these pruning techniques does the arborist cut the branch back to a
relatively weak point? YPg70
- heading cut
- undercut
- reduction cut
- topping - ANSWER heading cut
Which of the following tools should only be used for connectors that seldom need
to be opened? YPg70
- carabiners
- clevises
- shackles
- screw links - ANSWER screw links
What would be the bend ratio of a rigging system with blocks if the diameter of
the pully is three times the size of the diameter of the rope?
- 3:1
- 2:1
- 1:3
,- 1:1 - ANSWER 3:1
What is the primary purpose of wound dressing? ypg71
- protect against disease
- Reduce decay
- prevent insect infestations
- improve appearance - ANSWER improve appearance
Using ropes and other equipment to remove limbs or bring down entire trees is
known as? ypg71
- notching
- landing
- shock-loading
- rigging - ANSWER rigging
At which of the following soil pH levels would iron be most available to plants?
YPg71
- 5,
- 6,
- 7,
- 8 - ANSWER 5
For which of the following branches would propping be most appropriate? YPg71
- small branch
- large branch
, - large branch growing parallel to the ground
- small branch growing perpendicular to the ground - ANSWER large branch
growing parallel to the ground
Which of the following is an abiotic disorder? YPg71
- girdling roots
- vascular wilt disease
- nematodes
- mites - ANSWER girdling roots
With respect to rope, one cycle for a rigging line is defined as: YPg71
- one lift
- one drop
- a single use of the full rope line
- one lift and one drop - ANSWER one lift and one drop
In general, how deep should the initial notch be when felling a tree? YPg71
- at least 6 inches
- at least one half the diameter of the tree
- no more than 12 inches
- No more than one-third of the diameter of the tree - ANSWER No more than
one-third of the diameter of the tree
How far should an uninvolved worker stand from a tree that is being felled? YPg71
- at least two tree lengths
PRF QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT | LATEST
Which of the following devices is used to prevent excessive wear to a cable that is
attached to anchoring hardware? ypg70
_ cable aid
- lag hook
- ship auger
- thimble - ANSWER thimble
Which of the following is NOT an adverse consequence of lion tailing? Ypg70
- water sprouts
- sunburned bark
- barber chair
- weak branches - ANSWER barber chair
If a branch is tip-tied, which end will fall away from the cut? YPg70
- tip end
- butt end
- middle
-it is impossible to predict - ANSWER butt end
,Mycorrhizae are the beneficial relationship between tree roots and? YPg70
- grasses
- fungi
- insects
- mulch - ANSWER fungi
In which of these pruning techniques does the arborist cut the branch back to a
relatively weak point? YPg70
- heading cut
- undercut
- reduction cut
- topping - ANSWER heading cut
Which of the following tools should only be used for connectors that seldom need
to be opened? YPg70
- carabiners
- clevises
- shackles
- screw links - ANSWER screw links
What would be the bend ratio of a rigging system with blocks if the diameter of
the pully is three times the size of the diameter of the rope?
- 3:1
- 2:1
- 1:3
,- 1:1 - ANSWER 3:1
What is the primary purpose of wound dressing? ypg71
- protect against disease
- Reduce decay
- prevent insect infestations
- improve appearance - ANSWER improve appearance
Using ropes and other equipment to remove limbs or bring down entire trees is
known as? ypg71
- notching
- landing
- shock-loading
- rigging - ANSWER rigging
At which of the following soil pH levels would iron be most available to plants?
YPg71
- 5,
- 6,
- 7,
- 8 - ANSWER 5
For which of the following branches would propping be most appropriate? YPg71
- small branch
- large branch
, - large branch growing parallel to the ground
- small branch growing perpendicular to the ground - ANSWER large branch
growing parallel to the ground
Which of the following is an abiotic disorder? YPg71
- girdling roots
- vascular wilt disease
- nematodes
- mites - ANSWER girdling roots
With respect to rope, one cycle for a rigging line is defined as: YPg71
- one lift
- one drop
- a single use of the full rope line
- one lift and one drop - ANSWER one lift and one drop
In general, how deep should the initial notch be when felling a tree? YPg71
- at least 6 inches
- at least one half the diameter of the tree
- no more than 12 inches
- No more than one-third of the diameter of the tree - ANSWER No more than
one-third of the diameter of the tree
How far should an uninvolved worker stand from a tree that is being felled? YPg71
- at least two tree lengths
