Automation System
What is the process lag?

None of these
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.

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Automation System
Most industrial control applications:

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

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Automation System
Light sensors:

cannot be used a s limit switches.
come in a wide variety of mounting styles
None of these
work in direct sunlight
never use infrared light as light source

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