Automation System
What is the difference between integral and derivative control?

integral control has slower response to an error signal.
derivative control responds to a change in the rate of change in the error signal
None of these
All of these
derivative control does not eliminate offset error

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Automation System
In raster-scan colour monitors, colour can be intensified by:

using an in-line gun arrangement with a solid metal mesh
grouping the phosphor dots in a circular pattern
having each electron gun controlled by a composite signal
None of these
having each electron gun controlled by separate signal

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