Chapter 1 - Safety Flashcards

1
Q

discredited term for unplanned, undesirable events that could result in unintentional injuries or property damage that are attributed to fate or bad luck

A

Accident

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

unplanned, undesirable events that could result in unintentional injuries or property damage

A

Incident

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

work practices such as willful rule violation and maliciousness, as well as human error, which could lead to injury or a fatality

A

Unsafe acts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

working circumstances, such as equipment failure, that could lead to injury or fatality

A

Unsafe working conditions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

in the United States, the federal agency responsible for establishing and enforcing safety work rules

A

Occupational Safety and Health Administration (OSHA)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

in the United States the legislative act dealing with health and safety in the workplace

A

Occupational Safety and Health Act (OSHA)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

the industry-developed, national consensus safety standard of practice for tree care in the United States

A

ANSI Z133

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

group of employees responsible for developing safe work practices

A

Safety committee

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

a theory of industrial incident prevention pioneered by Herbert Heinrich that considers the overwhelming majority of incidents to be caused by unsafe acts

A

Behavior-based principle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

an illustration of Herbert Heinrich’s principles of accident prevention, first presented in an example comprising untold thousands of unsafe acts or conditions at the base of the pyramid, which led to 300 close calls, 29 minor injuries, and ultimately, one major injury or fatality at the top.

A

Accident pyramid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

unsafe acts and close calls at the bottom of the accident pyramid

A

Leading indicators

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

serious injuries or fatalities

A

Lagging indicators

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

refinement of the behavioral-based safety theory that considers workplace injuries to be caused by a number (rather than the number) of contributing factors and causes, which randomly interact

A

Multiple causation theory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

group that takes a systems approach to safety, recognizing that humans are imperfect and that errors have to be considered in the context of the system in which they occurred

A

High-reliability organization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

physiological reaction to the passage of electrical current through the human body

A

Electric Shock

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

death from electric shock

A

Electrocution

17
Q

Established by ANSI Z133, the distance from energized conductors inside of which qualified line-clearance arborists, incidental line clearance arborists, or persons other than qualified line-clearance arborists may not work. Distance increases with increasing voltage and varies with training of personnel.

A

Minimum approach distance

18
Q

electrical contact that occurs when someone touches an energized fixture.

A

Direct contact

19
Q

touching a conductive object in contact with an energized fixture

A

Indirect contact

20
Q

voltage differential between two objects someone simultaneously contacts

A

Touch potential

21
Q

voltage differential that develops when a person near a ground fault with two parts of their body (two feet, a hand and a foot or another body part) straddles that voltage differential. It can result in electrical shock or electrocution

A

Step potential

22
Q

electric flow in an unintended direction through a process whereby de-energized lines become energized from an external source, such as a home generator

A

Back feed

23
Q

In the United States, enforcement of safety work rules resides with the __________.

A

Occupational Safety and Health Administration (OSHA)

24
Q

A worker neglecting to wear cut resistant chaps while operating a chainsaw is committing an unsafe __________, while an employer failing to provide chaps is creating an unsafe __________.

A

act

condition

25
Q

The __________ rule suggests that workers should take time before starting a job to check for potentially unsafe conditions and confer about them.

A

two-minute

26
Q

According to ANZI Z133, the minimum approach distance for persons other than qualified line clearance arborists for 7.2kV is _ feet / _ m.

A

10

3.05

27
Q

Surface temperatures at the point of contact with high voltage can reach ____ degrees Celsius / ____ degrees Fahrenheit.

A

1,000

1,832

28
Q

__________ occurs when someone touches an energized fixture. __________ can occur when a person touches a conductive object that is in contact with an energized fixture.

A

Direct contact

Indirect contact

29
Q

The difference in voltage between two objects someone simultaneously contacts is termed __________.

A

touch potential

30
Q

__________ is the difference in voltage on the ground between two of a person’s body parts near where electricity goes into the ground

A

Step potential

31
Q

An energized human body, tree, or climbing rope are all examples of __________ threats.

A

indirect contact

32
Q

The safety acronym S.T.A.R is valuable for preventing errors and stands for

A) Stop, Think, Act, Review
B) Stop, Think, Adjust, Reason
C) Safety, Training, Action, Review
D) Stop, Train, Act, Reflect

A

A) Stop, Think, Act, Review

33
Q

A high-reliability organization would not always accept the

A) Simplest explanation for close calls or minor incidents
B) Need to adhere to electrical minimum approach distances
C) Employee’s first request for personal protective equipment
D) Necessity to perform safety meetings and work briefings

A

A) Simplest explanation for close calls or minor incidents

34
Q

True or false:

There are no published safety data related specifically to utility arboriculture.

A

True

35
Q

Which of the following is not a recommended way for an employer to create a safe workplace?

A) Provide a workplace that is free of known dangers
B) Provide personal protective equipment free of charge
C) Provide employees with minimal control over their work environment
D) Inform employees of their rights and duties under the company’s safety and health program

A

C) Provide employees with minimal control over their work environment

36
Q

Unsafe acts include which of the following?

A) Willful rule violation
B) Maliciousness
C) Human error
D) All of the above

A

D) All of the above

37
Q

The term accident is in disfavor because it implies that outcomes are due to

A) Equipment failure
B) Ignorance
C) Bad luck
D) Lack of training

A

C) Bad luck