Automation System
Many things can be done to minimize downtime loss. Identify two of them.

establish a user forum program
stock critical spare parts
None of these
provide an extra workstation
both b and c

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Automation System
The "walk-through" method of programming a robot involves:

None of these
walking through your suggested procedure with your supervisor prior to programming
moving the robot from one location to another
All of these
physically moving the robot through all the motions it is to repeat

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Automation System
Digital signals:

are assigned values of 1 or 0 depending on the voltage level
can have three possible levels
None of these
have a sinusoidal shape.
have a frequency measured in units of hertz

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