Chapter 1 saftey

Question 1

In the united states, enforcement of safety work rules resides with the

Answer 1

OSHA (Occupational safety and health administration

Question 2

a worker not wearing chaps while running a chainsaw is committing an un safe ______ while an employer failing to provide chaps is committing an unsafe______

Answer 2

Act & Condition

Question 3

the ____________rule suggests workers should take time before starting a job to check for unsafe conditions and confer about them.

Answer 3

two minute

Question 4

According to ANSI Z133 the miniamum approach for persons other than qualified line clearance arborists for 7.2kv is _12___feet/ ___8inches/ __3.861__meters

Answer 4

12 feet 3.861 meters

Question 5

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

Answer 5

C bad luck

Question 6

Unsafe acts include which of the following?

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

Answer 6

D all the above

Question 7

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

Answer 7

C

Question 8

True or false:

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

Answer 8

False

Question 9

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

Answer 9

A

Question 10

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

Answer 10

A

Question 11

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

Answer 11

malicouness

Question 12

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

Answer 12

Step potential

Question 13

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

Answer 13

touch potential

Question 14

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

Answer 14

Direct & indirect contact

Question 15

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

Answer 15

1000 degrees celsius / 1832 degrees Fahrenheit

Question 16

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

Answer 16

12 feet 8” 3.861 meters

Question 17

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

Answer 17

two minute

Question 18

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 __________.

Answer 18

act / condition

Question 19

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

Answer 19

OSHA Occupational safety and health administration

Question 20

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

Answer 20

Backfeed

Question 21

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

Answer 21

Step potential

Question 22

voltage differential between two objects someone simultaneously contacts

Answer 22

touch potential

Question 23

touching a conductive object in contact with an energized fixture

Answer 23

indirect contact

Question 24

electrical contact that occurs when someone touches an energized fixture.

Answer 24

direct contact

Question 25

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.

Question 26

death from electric shock

Question 27

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

Answer 27

electric shock

Question 28

a 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

Answer 28

high reliability orginization

Question 29

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

Answer 29

Multiple causation theory

Question 30

serious injuries or fatalities

Answer 30

Lagging indicators

Question 31

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

Answer 31

Leading indicators

Question 32

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.

Answer 32

Accident pyramid

Question 33

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

Answer 33

Behavior-based principle

Question 34

group of employees responsible for developing safe work practices

Answer 34

safety committe

Question 35

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

Answer 35

ANZI Z133

Question 36

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

Answer 36

Occupational safety and health act

Question 37

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

Answer 37

OSHA

Question 38

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

Answer 38

unsafe working conditions

Question 39

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

Answer 39

Unsafe acts

Question 40

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

Answer 40

Incident

Question 41

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

Answer 41

Accident