Dirty Dozen Exam

Question 1

what are the Dirty Dozen

Answer 1

the 12 most common causes of Human Factors

Question 2

List 6 of the dirty dozen

Answer 2

Complacency
Distraction
Pressure
Lack of assertiveness
lack of resources
lack of knowledge

Question 3

what are the different types of stress? what are some common stress triggers

Answer 3

Acute - Short term
Chronic - Long term

Work, financial, personal difficulties are all stress triggers

Question 4

what are the two types of Fatigue? what is different between them

Answer 4

Acute - Intense, short term, cured by good nights sleep

Chronic - Long term. can cause physical sickness

Question 5

what is a Circadian Rhythm

Answer 5

the human body’s regular daily cycle of energy highs and lows

Question 6

what are some common causes of fatigue

Answer 6

noises over 80db
long work hrs
stress

Question 7

what are Norms? what are the different types

Answer 7

Norms are unwritten rules dictated by the majority

Norms can be positive, negative, or neutral

Question 8

what is MEDA? who developed it? what are its components?

Answer 8

MEDA is the Maintenance Error Decision Aid, developed by Boeing to better manage maintenance errors.

the components of MEDA are - Identify Errors, What were the contributing factors, what are the corrective actions to be taken

Question 9

What is a safety net?

Answer 9

a check put in place to help prevent maintenance errors

Question 10

what are contributing factors

Answer 10

A chain of events contributing to maintenance errors. if one or more links in the chain are broken, the error will not occur.