Automation System
Automation normally means:

a net increase in jobs.
no change in jobs.
a net loss of jobs.
All of these
None of these

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Automation System
What is the process lag?

The lag in the error signal when the setpoint is changed.
The time it takes for the sensor to respond to a changed.
All of these
The time it takes for the mass of the process to respond to an input change.
None of these

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Automation System
Programmable controllers:

None of these
are programmed using relay ladder logic
are widely used in many different industries
cannot perform functions other than relay logic
(a) and (c) above

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