Automation System
Which of the methods below can be used to tell a robot what it is to do?

Walk-through
Set mechanical stops
None of these
Software program
(a) and (c)

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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
Relay ladder logic is used in a PC because:

All of these
most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use
it is the best industrial control language ever developed.
None of these
it is impossible to write a control program for a machine in any other logic

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Automation System
One of the major benefits of using CAD in tool design is that:

it simplifies the trial-and-error method
tool motions can be checked to see if there is interference between the tool and the object
None of these
there is better coordination in the materials-handling area
product design represents approximately one-half the engineering costs

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