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

None of these
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 separate signal
having each electron gun controlled by a composite signal

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Automation System
Most industrial control applications:

can be done more reliably using solid-state methods
All of these
must have the process specified correctly to be successful
None of these
can be solved using more than one method of control

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Automation System
Time proportioning control:

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

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