Automation System
A proportional plus integral contro-ller can:

has no transient response
can increase the system type
can compensate for lag
None of these
both (b) and (c)

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Automation System
A sequence controller:

is no longer in widespread use
is difficult to program
None of these
performs on/off control functions in relation to time.
is a mechanical only controller

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Automation System
An encoder:

can have only four keys
converts a binary number to a decimal number.
is used to send telegraph signals
None of these
converts an input to a binary number

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Automation System
Vision sensors:

can not improve much in the next decade
All of these
will remain very costly
None of these
will more closely match the capabilities of the human eye

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