The SHEL model of human factors takes into account. Software, hardware, efficiency and liveware. Software, hardware, environment and liveware. Software, hardware, environment and location. .
What part of the SHEL model would the writing and interpretation of maintenance manuals fit into?. Software Hardware. Environment. .
The 'error chain' theory refers to. A chain of errors within an organizations can be investigated, and similar errors prevented by determining a common link between them. Errors are caused by a chain of linked events, and the breaking of one link in the chain will prevent the error. A company is only as good as its weakest employee or employees, and removal of that/those employee from the chain should prevent errors.
What part of the SHEL model would the aircraft design fit into?. Environment. Liveware. Hardware.
Which part of the SHEL model is most difficult to protect from errors by 'designing out' or to 'work around'?. Environment. Liveware. Software.
A violation in an aircraft maintenance procedure. Is usually carried out with the best intentions from a genuine desire to 'get the job done'. Is always considered an act of vandalism or sabotage. Is always carried out to satisfy some personal need, often unrelated to the actual task.
Which type of human error is easiest to correct?. Reversible error Constant error. Variable error. .
In the 'slips, lapses and mistakes' definition of errors, forgetting to replace an engine cowling would be considered a. Lapse. Slip Mistake.
In the 'slips, lapses and mistakes' definition of errors, a mistake would typically occur at the. Storage (memory) stage. Execution stage. Planning stage.
On a task that is complex, an engineer uses his own procedures due to pressure. This is legally termed. Modification. Initiative. Volation.
Visual inspection by an 'experienced' maintenance engineer is. Knowledge and rule base behaviour. Skill and knowledge based behaviour. Skill and rule based behaviour.
Troubleshooting is. Rule based Skill based. Knowledge based.
A violation is An unintentional error A deliberate departure from the rules. An intentional act of sabotage.
A mistake is. An intentional act of sabotage A deliberate departure from the rules. An unintentional error. .
Whilst working on an aircraft a spanner placed on the wing surface is kicked off and subsequently falls into an open engine cowl, breaking off a sensor connector. This is an example of. A skill based error Murphy's law A punishable occurrence.
An experienced engineer fits the wrong seal during a routine component change. This is. Rule based. Knowledge based. Skill based.
An engineer is working on a wing and kicks a spanner off into an engine cowl and breaks a sensor. This is. Skill based error. knowledge based error. Rule based error. .
The difference between a mistake and a violation is. A violation is not deliberate A mistake is less serious than a violation.. A mistake is unintentional and a violation is deliberate. .
An experienced engineer is fitting a valve. A required seal is not fitted. What type of error is this?. Knowledge based. Rule based. Skill based. .
The hub of the SHEL model of human factors is. Hardware. Enviroment. Liveware.
A type 1 visual inspection error occurs when. A faulty item is missed. A good item is incorrectly identified as faulty. A duplicate inspection is not carried out.
What is the difference between error and violation?. Error is deliberate, violation is not. No difference. Violation is deliberate, error is not. .
What is a latent failure?. A mistake that has already been made, but has not yet caused an accident. Receiving bad instruction from a manager who is out of touch with maintenance. A failure which could not have been predicted.
What happens when you break the 'chain of error'?. Accident does not happen. Accident happens. Pilot submits report within 72 hours.
If an engineer forgets to fit a seal to an engine drain plug, he or she has. Committed a violation. Made an error of comission. Made an error of omission. .
An engineer is performing a task in less than ideal conditions in order to meet an operational deadline is. Committed a routine error. Committing a situational violation. Making a rule based slip.
An engineer who has developed his or her own method of performing a complex task. Is violating on a regular basis. Is performing a rule based behaviour. Should be commended for his/her resourcefulness. .
Error tolerance in maintenance progress refers to. Performance of tasks specifically designed to identify errors during a maintenance task. Process of eliminating the contributing factors to error. OR Ability of a system to remain functional after a maintenance error. Ability of a system to remain functional after a maintenance error. .
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