Practice Exam 9 Flashcards
What herbicide type eliminates the whole of the plant over a short period of time?
a) pre-emergent
b) contact
c) systemic
d) drench
c) systemic
What statement below is true of a tree’s failure potential?
a) related to the complete failure of a specific tree
b) is independent of a tree’s species type
c) encompasses full and partial failure
d) independent of the consequences of failure
c) encompasses full and partial failure
If a tree is suffering from girdling root, what is most likely not an advisable action?
a) remove the largest roots first
b) remove only the smallest roots
c) remove the tree
d) none of the above
a) remove the largest roots first
When using resistance drilling as a means of evaluation, the resistance drilling profile is expected to have a linear relationship with which characteristic of the tree?
a) depth
b) density
c) height
d) weight
b) density
What is not a path of failure for a tree that is facing a wind event?
a) soil shear
b) root tensile break
c) root compressive failure
d) trunk rotation
c) root compressive failure
What mitigation technique can reduce the risk of damage to an area that needs a grade lowering around a tree?
a) pruning
b) tree island
c) tree protection zone
d) mulching
b) tree island
What substance may be added to soil to temporarily lower the PH?
a) lime
b) ash
c) sulfur
d) calcium
c) sulfur
The movement of water within the soil defines which of the following?
a) infiltration
b) percolation
c) transpiration
d) desiccation
b) percolation
A conifer is being evaluated for identification. The needles are produced singularly and are sharp and square in appearance. What is most likely the type of conifer?
a) pine
b) spruce
c) hemlock
d) none of the above
b) spruce
What macronutrient is an essential component of chlorophyll?
a) nitrogen
b) magnesium
c) sulfur
d) calcium
a) nitrogen
If a traditional wire basket is used as protection for the root ball, what is the recommended amount of removal?
a) the top portion of the basket
b) the top half of the basket
c) the entirety of the basket
d) the basket may be left in its entirety
a) the top portion of the basket
What is not a worker’s right regarding personal safety?
a) ability to determine working hours
b) receive information and training about hazards
c) right to review records of workplace injuries
d) file a complaint to have the workplace reviewed
a) ability to determine working hours
What is not a minimum required element of providing a job briefing as per OSHA requirements?
a) required PPE
b) specific job procedures
c) maximum allowable work hours
d) identify possible hazards
c) maximum allowable work hours
A tree to be felled has a significant lean in a direction perpendicular to the slope direction of the ground. What is the most appropriate retreat path?
a) 45ﾟ opposite the slope of the ground
b) 45ﾟ opposite the lean of the tree
c) 45ﾟ on the slope of the ground side
d) 45ﾟ on the lean side
b) 45ﾟ opposite the lean of the tree
What is the maximum amount of days a worker can wait to file a complaint of non compliance with OSHA?
a) 15
b) 30
c) 45
d) 60
b) 30
What is not an advantage of the use of blocks over running lines through the tree crotch?
a) allow for larger cuts
b) decrease dynamic loading
c) reduce rope wear
d) avoid damage to the tree
a) allow for larger cuts
The presence of fungi is not generally associated with which of the following health disorder symptoms or signs?
a) rust-colored leaves
b) trunk gummosis
c) presence of powdery mildew
d) gall of plant tissue
b) trunk gummosis
What metric is used to determine the action threshold for pest control?
a) pest population density
b) tree deterioration rates
c) tree death rates
d) environmental conditions
a) pest population density
What is most likely an appropriate use of a tree preservation order (TPO)?
a) limitations on tree selection
b) height restrictions on trees
c) protection of a historical trees during construction
d) identification of local risks and stressors
c) protection of a historical trees during construction
What identified element is classified as a symptom and not a sign of a health disorder?
a) conks
b) leaf wilt
c) fruiting bodies
d) discarded skins
b) leaf wilt
A tree is found to have the presence of leaves that are deformed. What is most likely not a possible cause of the symptom?
a) mechanical injury
b) frost
c) virus
d) injury resulting from herbicide
a) mechanical injury
A target zone for risk assessment can be established to identify potential targets. What is an acceptable range for the radius of the zone?
a) half the height of the tree
b) the height of the tree
c) 1.5 times the height of the tree
d) 2 times the height of the tree
b) the height of the tree
In general, the most concerning construction activities for an identified tree has what type of effect on the site?
a) removal of surrounding trees or vegetation
b) activities that affect subsurface conditions
c) threats of physical damage
d) installation of new objects in the surrounding area
b) activities that affect subsurface conditions
When installing hardware in a tree, about how much larger in diameter should the drilled hole be than the hardware?
a) one-sixteenth inch
b) one-eighth inch
c) one-fourth inch
d) one-half inch
a) one-sixteenth inch
