Automation System
Which technique enables the designer to mold and shape, rather than construct on object using a series of lines?

FEM (Finite Element Modeling)
Wire-frame modeling
Solid modeling
Surface modeling
None of these

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Automation System
A venturi tube:

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

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