Automation System
CAE and CAM are linked through:

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

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Automation System
What is proportional control?

It has a discrete output for each error value
None of these
The gain is independent of offset error.
The controller output varies continuously over a range
All of these

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Automation System
A dc servo motor:

uses a tachometer for speed feedback
None of these
can provide precise position control
uses a variable dc voltage for speed control
All of these

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Automation System
D/A (digital to analog) conversion:

None of these
must be fed through a filter to reproduce the original signal accurately
results in a binary code as the final output
has to be sampled at 1/2 the highest input frequency
both (b) and (c)

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