Automation System
Which type of digitizer measures a wave traveling at the speed of sound?

Electrostatic
Caparitive
None of these
Sonic
Digitizing sr amer

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Automation System
A sequence controller:

is no longer in widespread use
is a mechanical only controller
performs on/off control functions in relation to time.
is difficult to program
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 mass of the process to respond to an input change.
The time it takes for the sensor to respond to a changed.
None of these
All of these

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