Automation System
Time proportioning control:

a and b above.
can be used on a PM550 programmable process controller
None of these
cannot use a TM990 micro¬computer
is less efficient than normal PID control

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

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

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