Accident Causation Theories

What is a DEFINITION of an accident?

• An accident is a planned event that results in positive outcomes.
• An accident is a deliberate action with no consequences.
• An accident is a fictional event that never occurs in reality.
• An accident is an unplanned event that results in harm, injury, damage, or loss.

What is Injury?

• Physical harm or damage to the body caused by an external force.
• Spiritual enlightenment
• Mental well-being
• Emotional stability

Accident theories guide safety investigations. 

• True

• False

What are the right sequences of Heinrich accident theory?

• Social environment, fault of the person, unsafe act, accident, injury

• Fault of the person, accident, injury, social environment, unsafe act

• Accident, injury, fault of the person, unsafe act, social environment

• Unsafe act, social environment, accident, injury, fault of the person

What was the main cause of the catastrophic event in the Piper Alpha disaster?

• Inadequate maintenance procedure during the removal of a safety valve

• Failure of the emergency shutdown system due to power outage
• Natural disaster causing an explosion
• Human error in the installation of a new pipeline

90% of accidents cause injuries.

• True

• False

What is TRUE about unsafe act?

• Unsafe acts are always intentional
• Unsafe acts do not pose any risk
• Unsafe acts are encouraged in the workplace
• Unsafe acts are actions that deviate from safe practices and can lead to accidents or injuries.

___________________ is a condition within the working environment increases the worker’s chances of an accident.

What are the three 'E' recommended by Heinrich's Domino Theory for corrective action?

• Education, Eradication, Engineering

• Engineering, Education, Enforcement
• Elimination, Education, Enforcement

• Engineering, Education, Evaluation

one of the most significant accidents in the history of the American commercial nuclear power generating industry