Automation System
For a type 2 system, the steady-state:

error for a step input is always zero
All of these
None of these
error for a velocity input is always zero
input for acceleration input is always non-zero

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Automation System
A venturi tube:

None of these
can be used to measure gas or liquid flow rates
is extremely difficult to use
measures the presence of a liquid
is made only of metal

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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
having each electron gun controlled by separate signal
having each electron gun controlled by a composite signal
grouping the phosphor dots in a circular pattern

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