Automation System
The workspace required for a robot:

depends upon the robot used
is not dependent on the application.
must be enclosed by a fence
None of these
is less than that of a human performing the same task

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Automation System
Direct Numerical Control means:

using several computers to control one large machine
None of these
complete elimination of a need for a human operator.
eliminating computers from the manufacturing process
using one computer to control several machines

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Automation System
Today, programmable controllers:

can be cost effective even when replacing just a few relays
None of these
All of these
are more powerful then the first controllers on the market
are relatively low cost compared with the original digital equipment available for industrial control

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Automation System
A dc servo motor:

can provide precise position control
All of these
None of these
uses a variable dc voltage for speed control
uses a tachometer for speed feedback

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