Automation System
Trend analysis:

is a brand new concept
None of these
is used only in financial planning
can improve control system response
requires a very expensive system to implement

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Automation System
A process controller:

All of these
can solve a PID process control equation easily
can interface to digital and analog I/O
None of these
is useful in a continuous process control application

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Automation System
Time proportioning control:

is less efficient than normal PID control
None of these
can be used on a PM550 programmable process controller
cannot use a TM990 micro¬computer
a and b above.

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Automation System
Ergonomics refers to:

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

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Automation System
Most industrial control applications:

All of these
can be done more reliably using solid-state methods
must have the process specified correctly to be successful
None of these
can be solved using more than one method of control

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