Automation System
Today, programmable controllers:

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

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Automation System
A discrete parts process is:

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

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Automation System
Direct Numerical Control means:

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

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Automation System
Ergonomics refers to:

the cost relationship of the workstation versus productivity
None of these
the technology involved in the workstation itself
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

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