Human Factors In Safety

Question 1

Safety

Answer 1

Absence of failures with catastrophic consequences

Question 2

Failure

Answer 2

System does not provide expected service

Question 3

Error

Answer 3

Part of internal system state that may lead to a failure

Question 4

Fault

Answer 4

Cause of an error

Question 5

Influencing factors

Answer 5

Experience, stress, training, fatigue,level of burden, self discipline

Question 6

Controlling failure probability

Answer 6

Use procedures and chrcklists
Provide training
Use backup inspectors
Automate critical operations

Question 7

Human vs Machine

Answer 7

Human operators-ability to analyze complex and ambivalent situations-ability to adapt quickly to situations

Machine-have special and very precise sensors-perform complex mathematical operations in a short time-react quickly with great force-perform constantly(no stress, fatigue)