Chapter 6: Tasks Flashcards

1
Q

three-step process of visual inspection

A
  1. look: search for defect
  2. see: perceive or detect defect
  3. recognise: understand the defect
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2
Q

repetitive workplace stimuli ___ the awareness of dangers associated with that stimuli

A

reduces

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3
Q

What is one advantage of
including users in your design?

A

fosters user’s involvement and acceptance

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4
Q

In the decompression incident,
on 30 May 2003, the investigators found that the wire loom had been damaged
by ___ due to poor ___.

A

abrasion, routing

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5
Q

In the Concorde accident, on 13
June 2003, the investigators concluded that the mechanics had ____ the wiring
when they carried out the ___ repairs in 2001.

A

chafed, structural

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6
Q

Why do ergonomists carry out task analysis?

A

to identify and solve interface issues

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7
Q

Narrowing of attention occurs in states of ____ arousal

A

high

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8
Q

A Category A aircraft maintenance licence permits the holder to issue certificates of release to service following a ___ ___ line maintenance and simple ____ ____, as specified in SAR-145, within the limits of tasks specifically endorsed
on the authorisation. The certification privileges are restricted to work that the
authorisation holder has ____ ____.

A

minor scheduled, defect rectification, personally performed

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9
Q

In dye penetrant inspection process, the object is first cleaned and then soaked into
a ____ dye for about 30 minutes. It is then rinsed with water and dipped into an ____ for about a minute. It is then rinsed off with water again and briefly dipped into a ____. The object is then dried and inspected for cracks under UV
light.

A

fluorescent, emulsifier, developer

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10
Q

As the system becomes more defined, usability assessment tools become?

A

more complex

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11
Q

A ____ _ aircraft maintenance licence permits the holder to issue certificates of
release to service following ___ _____ on aircraft. The privileges apply to
the aircraft in its entirety in a SAR-145 organisation.

A

category C, base maintenance

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12
Q

Purpose of task analysis is to gain an ____ of what people in jobs carry out

A

understanding

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13
Q

Usability is an indicator of how well a system design supports the operators’ and
maintainers’ needs and it is best measured by?

A

task performance time and accuracy

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14
Q

A secure quarantine store or facility should be provided to ____ those aircraft
components, tools or material where the status of _____ has not been or
cannot be determined.

A

isolate, serviceability

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15
Q

human performance ____ to an ____ point and ____ as arousal is further increased

A

increases, optimal, diminishes

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16
Q

A Category B1 aircraft maintenance licence permits the holder to issue ___ and to act as B1 support staff following maintenance of the
aircraft structure, powerplant, mechanical and electrical systems. Certification of work on avionics systems requiring only simple tests to prove their serviceability are
also included in the privileges. ____ on avionics systems is not allowed.

A

CRS, Troubleshooting

17
Q

The SAR-145 approved maintenance organisation may only maintain an aircraft or
aircraft component for which it is approved when all necessary facilities, equipment,
tooling, material, ____ __ and ____ ____ are available.

A

maintenance data, certifying staff

18
Q

LAEs are frequently exposed to rotating or percussive tools in their work. The use of
such tools can lead to ___ ____ ____ ____ syndrome. One precaution
against it would be to reduce the exposure time of workers and another is to
purchase tools that have its operating frequency outside the __ to __ Hz range

A

hand arm vibratory induced, 50 to 150 Hz

19
Q

For back injuries, it is often the result of incorrect ___, ____ and ____. These cause the spinal discs to prematurely ____ and it can cause extreme pain
and affect your well-being.

A

lifting. twisting, bending, degenerate