Automation System
Compared to humans, machines:

None of these
can work in harsher environments
(a) and (c)
can make more complex decisions based on unexpected circumstances
make fewer errors

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Automation System
A venturi tube:

None of these
is made only of metal
measures the presence of a liquid
can be used to measure gas or liquid flow rates
is extremely difficult to use

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Automation System
What is offset error?

the difference between the sensor input and the absolute sensed parameter.
the difference between the controller output and the setting of the manipulated variable.
the difference between the control setpoint value and the actual value.
None of these
All of these

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