Automation System
A flip-flop:

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

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Automation System
What is the process lag?

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

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