Human Factors and Safety Quiz

What does ‘E’ stand for in the SHELL model?

• Environment

• Education

• Experience

According to the document, human error in maintenance is responsible for what percentage of aircraft accidents?

• 70-80%

• 20-30%

• 10-40%

• 50db

Which of the following disciplines is concerned with matching machines to humans using size and reach?

• Anthropometry

• Cognitive Science

• Organizational Science

• MEDA

"Anything that can go wrong, will go wrong” refers to:

• Murphy’s Law

• Positive Stress

• Negative Stress

• Attention Deteriorates

What is the term for the eye’s ability to focus on objects at various distances?

• Accommodation

• Attention

• Focus

• Vision

At what decibel level is hearing protection legally required in many countries?

• 85 db

• 90 db

• 80 db

• 75 db

If there is an immediate reaction which eliminates the stress, you feel good.”I’ve done it!” We can call this type of stress as

• Positive Stress

• Negative Stress

• Neutral Stress

• Acute Stress

How people behave in relation to safety and risk when no one is watching is known as

• Safety culture

• Complacency

• Behavior

• Risk Management

Which one is not true regarding the effect of fatigue?

• Fatigue increases your ability to solve problems.

• Fatigue slows your reaction time.

• Fatigue affects judgment.

• Fatigue can lead to errors.

Human beings have lowest level of alertness around

• between 1am and 3 am

• early in the shift

• during the middle of the shift

• late in the shift