Automation System
CAE and CAM are linked through:

None of these
NC tape programming and automated design
a common data base and communications system
parts production and testing
assembly automation and tool production.

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Automation System
A venturi tube:

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

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Automation System
A semi-continuous operation means:

the operation is continuous each shift, but stops between shifts
None of these
each operation in a sequence is continuous, but subsequent operations in the sequence may be different.
coffee breaks are allowed for the operator
a computer is a required part of the machine

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