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ISA Sample Questions > Practice Exam 7 > Flashcards

Practice Exam 7 Flashcards

1
Q

What tree support system material is used for a dynamic support system?

a) polypropylene rope
b) aircraft cable
c) 7-strand cable
d) extra-high-strength cable

A

a) polypropylene rope

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2
Q

When installing lag hooks, what is the proper size of the pre-drilled hole?

a) 1/2 the diameter of the lag
b) 1/16 to 1/8 inch smaller than the lag
c) 1/16 to 1/8 inch larger than the lag
d) 1/4 to 1/2 inch larger than the lag

A

b) 1/16 to 1/8 inch smaller than the lag

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3
Q

What is the minimum degree of allowance for the angle between a cable and the installed hardware on a tree?

a) 0 degrees
b) 2 degrees
c) 5 degrees
d) 10 degrees

A

a) 0 degrees

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4
Q

A tree in a remote area is being evaluated for risk. It is determined that if the tree falls there is no significant threat to life or property. What is the appropriate level of risk to be assigned to the tree?

a) none
b) low
c) moderate
d) high

A

a) none

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5
Q

A single rod is to be installed to brace a crotch intersection. The branch diameter is 6” and the trunk diameter is 14”. What is the acceptable height for the rod to be installed above the crotch intersection?

a) 3”
b) 8”
c) 14”
d) 20”

A

b) 8”

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6
Q

What decay indicator listed below indicates that decay may be but is not certainly present?

a) mushrooms
b) brackets
c) open cavities
d) bulges

A

d) bulges

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7
Q

The most likely path of electricity exiting a tree due to a lightning strike is which of the following?

a) through the roots
b) through the dominant stem
c) through the first branch
d) through the quickest path possible

A

a) through the roots

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8
Q

Reaction wood is a tree’s defense mechanism against which of the following?

a) physical damage
b) lean
c) insufficient light
d) decay

A

b) lean

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9
Q

As per the ISA Basic Tree Risk Assessment Form, if a tree is identified as having improbable failure but a high impact rating what is the subsequent likelihood of failure and impact?

a) unlikely
b) somewhat likely
c) likely
d) very likely

A

a) unlikely

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10
Q

Mulch used for the reduction of compaction resulting from construction shall be:

a) thicker than normal applications
b) removed after construction is complete
c) used in conjunction with additional weight dispersion methods
d) all of the above

A

d) all of the above

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11
Q

What tree type of the options listed below is least suited for use under utility lines?

a) deciduous
b) shrubbery
c) conifers
d) any species that would grow above the wires

A

d) any species that would grow above the wires

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12
Q

Causation in fact is the linking of an injury or damage related to the failure of a tree to which of the following?

a) code compliance
b) action of the defendant
c) action of the property owner
d) “Act of God”

A

b) action of the defendant

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13
Q

What is the ideal time to prune trees which have heavy sap flow?

a) Spring
b) Fall
c) Winter
d) any time is acceptable

A

d) any time is acceptable

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14
Q

Compaction during construction has reduced the amount of oxygen available for a tree’s root system. What mitigation technique is least likely to be effective?

a) vertical mulching
b) fertilizing
c) radial trenching
d) air excavator

A

b) fertilizing

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15
Q

What statement regarding the net charge of soil is true?

a) soils have a net negative charge
b) soils have have a net positive charge
c) positive sites outnumber negative sites
d) soils have only entirely positive or negative sites

A

a) soils have a net negative charge

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16
Q

What irrigation system type is best suited for use on deeper, more mature root systems?

a) drip irrigation
b) high-pressure injection
c) basin irrigation
d) soaker hose

A

b) high-pressure injection

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17
Q

Drainage tiles should be placed at what depth below the soil surface?

a) 6 inches
b) 1 foot
c) 3 feet
d) 5 feet

A

c) 3 feet

18
Q

What essential element is more readily available in an alkaline environment than acidic?

a) magnesium
b) manganese
c) iron
d) calcium

A

d) calcium

19
Q

A tree is to be transplanted to an area with an existing soil structure of dense clay. What is what is the most appropriate modification to normal procedures?

a) increase the size of the planting hole
b) increase the size of the root ball
c) add a layer of soft fill
d) plant the tree at a shallower depth

A

d) plant the tree at a shallower depth

20
Q

What is not a twig pith structure used as an identifier?

a) inverted
b) 5-star
c) chamber
d) solid

A

a) inverted

21
Q

What is not a factor associated with the determination of depreciated reproduction cost?

a) functional limitations
b) communal adjustments
c) external limitations
d) condition ratings

A

b) communal adjustments

22
Q

Root pruning as a technique for better transplanting shall be done:

a) only once before removal
b) multiple times working in towards the tree
c) multiple times working away from the tree
d) only once after the tree is transplanted

A

c) multiple times working away from the tree

23
Q

What tree type is best suited for transplanting in the Spring?

a) pine
b) maple
c) fruit
d) palm

A

c) fruit

24
Q

What type of names may be trademarked?

a) cultivar
b) variety
c) forma
d) common

A

d) common

25
Q

An increased growth rate in a tree is often associated with which of the following?

a) decreased aesthetics
b) lower final height
c) shorter life spans
d) greater susceptibility to disease

A

c) shorter life spans

26
Q

According to the American Standard for Nursery Stock, deciduous shrub types are determined by which of the following metrics?

a) height
b) leaf type
c) caliper
d) root ball diameter

A

a) height

27
Q

What knot type has the disadvantage of the potential to roll out?

a) tautline
b) figure-8
c) Blake’s hitch
d) girth hitch

A

a) tautline

28
Q

What woodchipper safety device guards against the hazard of an individual being pulled into the chipper?

a) feed control bar
b) bottom feed stop bar
c) panic bar
d) feed tray extension

A

b) bottom feed stop bar

29
Q

A perched water table will occur in which of the following soil structures?

a) gravel layer only
b) fine-grained soil layer only
c) fine-grained soil below gravel
d) gravel below fine-grained soil

A

d) gravel below fine-grained soil

30
Q

What is the minimum number of job briefings as per OSHA requirements?

a) one per job
b) one per day
c) one per job and if any changes occur
d) one per day and if any changes occur

A

d) one per day and if any changes occur

31
Q

What notch type is often associated with having to cut off the hinge after the tree has fallen?

a) open-faced notch
b) conventional notch
c) Humboldt notch
d) none of the above

A

a) open-faced notch

32
Q

Tree guards have the common disadvantage of which of the following?

a) promotes infestation
b) girdling as the tree grows
c) increases sun exposure
d) holds in excessive moisture

A

b) girdling as the tree grows

33
Q

When using overhead lifts, what is the limit for the maximum overreach?

a) the edge of the bucket
b) one foot outside of the edge of the bucket
c) 3 ft outside of the edge of the bucket
d) an arm’s length of the worker without any lean

A

a) the edge of the bucket

34
Q

Traffic control warning signs are placed a minimum distance from the work zone based on what factor?

a) posted speed limit
b) size of the work zone
c) number of trees to be removed
d) classification of roadway type

A

a) posted speed limit

35
Q

When using a chainsaw to make a drop cut, what is the recommended location of the drop cut?

a) directly above the undercut
b) above the undercut
c) below the undercut
d) no top cut is needed

A

a) directly above the undercut

36
Q

What component of the xylem is only present in hardwood trees?

a) tracheids
b) vessels
c) fibers
d) parenchyma cells

A

b) vessels

37
Q

What type of knot is most effective to tie equipment to a climber’s line?

a) midline clove hitch
b) girth hitch
c) figure-8
d) timber hitch

A

a) midline clove hitch

38
Q

What statement is true for the response of a tree to a wound?

a) trees regenerate the area which is wounded
b) trees protect and regenerate the area of the wound
c) trees allow wounds to stay vulnerable
d) trees do not regenerate the area of the wound

A

d) trees do not regenerate the area of the wound

39
Q

What is not one of the main regions of the root structure?

a) differentiation
b) absorption
c) elongation
d) meristemicc

A

b) absorption

40
Q

A stopper knot is used to prevent against what type of failure?

a) slippage
b) equipment failure
c) carabiner failure
d) roll out

A

d) roll out

ISA Sample Questions (13 decks)

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