Automation System
What prevents a robotic instrument from running into other objects?

None of these
functional manipulators
sensory devices
memory
negative image

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

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

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

derivative control does not eliminate offset error
All of these
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

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