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 mass of the process to respond to an input change.
The time it takes for the sensor to respond to a changed.
All of these

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Automation System
A flip-flop:

(a) and (c)
None of these
is a combinational logic device
is a sequential logic device
remembers what was previously stored in it

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Automation System
The refresh-vector CRT uses which of the following techniques?

None of these
Creates images on the screen by scanning straight-line vectors between selected points.
Makes changes on the image by increasing the anode voltage.
Uses an electron gun to continuously flood the surface of the tube.
The beam constantly travels across the screen to turn on/off a series of pixels.

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