Chap 4 Question

Question 1

The ____ ____ is the section of the transmission right-of-way directly under the wires and extending outward about 10 ft (3m) on each side. The ____ ____is the remainder of the active right-of-way.

Answer 1

wire zone, border zone

Question 2

A ____ is a substance that has an oral LD50 lower than 50mg per kg of body weight or a dermal LD50 lower than 200mg per kg of body weight,

Answer 2

poison

Question 3

The target of IVM is ____ _____, including noxious weeds and invasive species, that pose potentially unacceptable economic, social, and environmental risks.

Answer 3

incompatible plants

Question 4

SMART objectives for integrated vegetation management ____, ____,____,____, and ____

Answer 4

Specific, Measurable, Achievable, Relevant, Timely

Question 5

Level 1 risk assessments review large populations of trees from a specified perspective to identify those that have an ____ or ____ likelihood of failure.

Answer 5

imminent, probable

Question 6

Vegetation, height, density or other conditions that trigger specific control methods are called ____ ____.

Answer 6

action thresholds

Question 7

For clearing dense vegetation during initial establishment or reclaiming neglected or overgrown rights-of-way, ____ control methods are most efficient and cost effective.

Answer 7

mechanical

Question 8

When properly selected and applied, herbicides can enhance ____ ____ ____ diversity and minimize ____ disturbance.

Answer 8

plant and wildlife, soil

Question 9

____ toxicity results from a single exposure or exposure over a short period of time. ____ toxicity is the delayed damaging effect resulting from repeated exposure to low amounts of a substance, evolving over a long period.

Answer 9

Acute, chronic

Question 10

Mixing of chemicals should be done with a buffer of at least ____ ft (____m) from a body of water or wetland.

Answer 10

100, 30

Question 11

____ ____-____ is a technique in which non-translocatable herbicides are applied to control specific branches growing toward utility facilities.

Answer 11

chemical side-pruning

Question 12

____ ____ is the management of vegetation by establishing and conserving compatible, stable plant communities using natural competition, animals, insects or pathogens.

Answer 12

biological control

Question 13

The section of a utility transmission right-of-way under the wires and extending out both sides to a specified distance is called the ____ ____.

Answer 13

wire zone

Question 14

Which of the following steps in the integrated vegetation management program should be completed first?
A) defining action thresholds
B) evaluating the site
C) selecting control methods
D) setting objectives

Answer 14

D) setting objectives

Question 15

LIDARr technology is precise, and is effective for
A) documenting the distance between trees and conductors
B) calculating fluctuations in the distance between vegetation and conductors under various environmental conditions
C) identifying trees within striking or arcing distance of lines in the event of tree failure
D) all of the above

Answer 15

D) all of the above

Question 16

Most herbicides used in vegetation management are in which toxicity category?
A) Category I highly toxic
B) Category II moderately toxic
C) Category III slightly toxic. D) Category IV relatively non-toxic

Answer 16

D) Category IV relatively non-toxic

Question 17

Which of the 3 primary climatic factors that influence herbicide and tree growth regulator degradation?
A) moisture, temperature, sunlight
B) moisture, wind, sunlight
C) temperature, wind, sunlight
D) altitude, temperature, moisture.

Answer 17

A) moisture, temperature, sunlight

Question 18

The NERC Transmission Vegetation Management Program requires that utilities in North America have transmission vegetation management programs in place, but it does not require them to be documented.
A) true
B) false

Answer 18

B) false

Question 19

Which part of the body most readily absorbs pesticides?
A) eyes
B) feet
C) hands
D) forearms

Answer 19

A) eyes

Question 20

How far should a tree protection zone be from a mature tree of moderate tolerance to disturbance?
A) one inch (2.5cm) per inch (2.5cm) of diameter at breast height
B) 6 inches per inch (2.5cm) of diameter at breast height
C) one foot per inch (2.5cm) of diameter at breast height
D) 2 feet per inch (2.5cm) of diameter at breast height.

Answer 20

C) one foot per inch (2.5cm) of diameter at breast height

Question 21

A biological control used to provide a competitive advantage to short-growing early successional plants is known as
A) subsurface injection
B) pollinator promotion
C) cover type conversion
D) cut stump technique.

Answer 21

C) cover type conversion

Question 22

An example of a cultural control technique in a right-of-way is
A) selective herbicide application
B) grinding roots of suckering tree species
C) relocating lines underground
D) planting of food crops

Answer 22

D) planting of food crops

Question 23

Oil-based pesticides are less easily absorbed through the skin than water-soluble pesticides.
A) true
B) false

Answer 23

B) false

Question 24

Compared to overhead electrical lines, a disadvantage of installing electrical lines underground is
A) potential for increased land disturbance
B) the increased installation cost
C) outages are often more lengthy
D) all of the above

Answer 24

D) all of the above

Question 25

Within buffer areas near bodies of water
A) herbicides and pesticides cannot be used
B) as much compatible vegetation should be retained as possible
C) cultural control methods are typically the most effective
D) local stakeholders should be contacted prior to scheduling work

Answer 25

B) as much compatible vegetation should be retained as possible