Automation System
Ergonomics refers to:

the level of involvement the operator has with the workstation
the human aspect of the environment around the workstation as well as the workstation itself
None of these
the technology involved in the workstation itself
the cost relationship of the workstation versus productivity

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Automation System
A discrete parts process is:

normally a repetitive series of operations
(b) and (c)
often encountered in manufacturing
None of these
the same as a continuous process except a different controller must be used

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Automation System
Light sensors:

work in direct sunlight
None of these
cannot be used a s limit switches.
never use infrared light as light source
come in a wide variety of mounting styles

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