Practice Exam 4 Flashcards by jerry Coughlin

With respect to rope, one cycle for a rigging line is defined as

a) one lift
b) one drop
c) a single use of the full rope line
d) one lift and one drop

d) one lift and one drop

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In a rigging system, which of the following is usually the weakest component?

a) pulley
b) rigging line
c) block
d) carabiner

b) rigging line

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Which type of grip is specially designed to be used with extra-high-strength cable?

a) Chicago grip
b) come-along
c) haven grip
d) anchor grip

a) Chicago grip

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Resistance to changes in the PH is also known as

a) infiltration rate
b) cation exchange capacity
c) buffering capacity
d) volatilization

c) buffering capacity

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What does reference evapotranspiration
measure?

a) the usual amount of rainfall in a given location
b) the typical water content of the foliage for a species
c) the water supply in a particular location
d) the expected amount of plant and soil water loss given location and existing vegetation

d) the expected amount of plant and soil water loss given location and existing vegetation

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Which of the following is NOT a common part of a biological control strategy for pests?

a) poison
b) parasites
c) predators
d) pathogens

a) poison

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When should plants that bloom on the wood from the previous season be pruned?

a) after the blooms are shed
b) after the first frost of the autumn
c) just after they bloom
d) winter

c) just after they bloom

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How should the back be positioned when moving a heavy object from the ground?

a) the back should be hunched
b) the back should be in a normal position
c) the back should be held straight
d) the back should be twisted

b) the back should be in a normal position

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In a soil profile, what is the top horizon?

a) B
b) O
c) A
d) C

b) O

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A close collection of many palm flowers is known as a(n)

a) inflorescence
b) frond
c) monocot
d) petiole

a) inflorescence

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A turgid leaf is

a) dehydrated
b) fully hydrated
c) serrated
d) bipinnate

b) fully hydrated

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Monocotyledons and dicotyledons are the two classes of

a) arboriculture
b) morphology
c) gymnosperms
d) angiosperms

d) angiosperms

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What percentage of an ideal soil is made up of mineral solids?

a) 10 percent
b) 25 percent
c) 45 percent
d) 80 percent

c) 45 percent

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Why should thimbles be used when attaching a cable to anchoring hardware?

a) to increase the abrasion on the cable
b) to increase the bend radius of the cable
c) to eliminate the need for eye splices
d) to enable the use of extra-high-strength cable

b) to increase the bend radius of the cable

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What should be the minimum distance between two workers using chainsaws at the same time on the same tree?

a) 5 feet
b) 10 feet
c) 20 feet
d) 50 feet

b) 10 feet

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What is the advantage of common-grade cable over extra-high-strength cable?

a) common-grade cable is more malleable than extra-high-strength cable
b) common-grade cable is less expensive than extra-high-strength cable
c) common-grade cable is longer than extra-high-strength cable
d) common-grade cable is more durable than extra-high-strength cable

a) common-grade cable is more malleable than extra-high-strength cable

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Which type of nursery stock has up to 90 percent of its absorbing roots removed before sale?

a) bare root
b) containerized
c) container grown
d) balled and burlapped

d) balled and burlapped

In which of the following are the classification terms listed from general to specific?

a) genius, family, order, class
b) order, class, phylum, kingdom
c) class, order, family, genus
d) family, class, order, genus

c) class, order, family, genus

In arboriculture, a witch’s broom is

a) branch that has foliage only at its very end
b) a collection of spindly roots
c) a pattern of leaf spots
d) a cluster of weak secondary shoots

d) a cluster of weak secondary shoots

At the base of a branch, in which direction is the branch xylem oriented?

a) clockwise around the trunk
b) counter clockwise around the trunk
c) upward
d) downward

d) downward

A non-indigenous species that will propagate without assistance and has become established in a particular area is classified as

a) introduced
b) naturalized
c) invasive
d) native

b) naturalized

Which of the following can be used in place of a large screw link?

a) shackle
b) clevis
c) either a shackle or a clevis
d) neither a shackle or a clevis

c) either a shackle or a clevis

As part of prescription fertilization, an arborist needs to obtain samples from

a) the soil
b) the leaves
c) the soil and leaves
d) neither the soil nor the leaves

c) the soil and leaves

Which type of cable is often used for cabling trees?

a) extra-high-strength table
b) common-grade, seven-strand galvanized cable
c) both extra-strength cable and common-grade seven-strand galvanized cable
d) neither extra-high strength cable nor common-grade seven-strand galvanized cable

c) both extra-strength cable and common-grade seven-strand galvanized cable

In which of the following does the rope not cross over itself? a) bight b) loop c) turn d) round turn

a) bight

Which of the following is NOT a good reason for installing cables? a) They can support branches that hang over traffic areas b) they can support codominant branches with included bark c) they can help support decayed branches d) they can counter balance a weak root system

d) they can counter balance a weak root system

With regard to rope what is glazing? a) melted fiber b) stretched fiber c) torn fiber d) worn fiber

a) melted fiber

What is the name for the interaction between changes in weather and recurring biological phenomena? a) morphology b) phenology c) tomography d) hydrology

b) phenology

In which macronutrient is a tree most likely to be deficient? a) sulfur b) phosphorus c) potassium d) nitrogen

d) nitrogen

What is the generally agreed upon working load limit for a new rope used for tree maintenance? a) 10 percent of the tensile strength b) 50 percent of the tensile strength c) 75 percent of the tensile strength d) 100 percent of the tensile strength

a) 10 percent of the tensile strength

Which of the following is NOT a common disease caused by bacteria? a) heart rot b) fire blight c) crown gall0 d) bacterial leaf scorch

a) heart rot

Which of the following is NOT one of the prerequisites for a claim of negligence? a) personal injury b) breach of duty c) harm d) duty

a) personal injury

In plant care what is the difference between vitality and vigor? a) Vigor is associated with unusually large growth, while vitality has more to do with survival. b) Vigor is the plant's genetic ability to handle stress, while vitality is its ability to thrive in a particular environment c) Vitality depends on proper care, while vigor is a natural condition. d) there is no difference between vitality and vigor.

b) Vigor is the plant's genetic ability to handle stress, while vitality is its ability to thrive in a particular environment

To avoid salt burn, fertilizers should have a salt index below a) 10 b) 30 c) 50 d) 100

c) 50

A positively charged ion is called a(n) a) electron b) cation c) anion d) proton

b) cation

Which of the following knots is primarily used for sending equipment up to a climber? a) running bowline b) midline clove hitch c) figure-eight knot d) endline clove hitch

b) midline clove hitch

What is the appropriate minimum diameter for a main branch used for tying in? a) 2 inches b) 4 inches c) 6 inches d) 8 inches

b) 4 inches

What is the name for a variety that must be grown by humans and that needs human attention to perpetuate a particular trait? a) variety b) forma c) subspecies d) cultivar

d) cultivar

What determines the type of damage done by an insect to a tree? a) the prevalence of predators b) the insect's mouth parts c) the species of tree d) the thickness of the bark

b) the insect's mouth parts

When a tree has substantial decay on one side, where should the back cut be finished? a) below the decay b) above the decay c) on the un-decayed side of the tree d) on the decayed side of the tree

c) on the un-decayed side of the tree