Automation System
How is the integral mode implemented using analog methods?

All of these
Op amp and a capacitor
Op amp and resistors
Op amp and an RC network to place the error voltage across the capacitor
None of these

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Automation System
A semi-continuous operation means:

coffee breaks are allowed for the operator
a computer is a required part of the machine
None of these
each operation in a sequence is continuous, but subsequent operations in the sequence may be different.
the operation is continuous each shift, but stops between shifts

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Automation System
Light sensors:

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

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