Automation System
The new industrial revolution has been caused by:

None of these
demand for higher wages
the Vietnam War
social unrest
advances in electronics

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Automation System
Straight-line operations:

can include diagonal cuts if they aren't curved
must be parallel to one of the axes of the coordinate system
All of these
must be limited to two per workpiece
None of these

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

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

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Automation System
A semi-continuous operation means:

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

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Automation System
A process controller:

is useful in a continuous process control application
can solve a PID process control equation easily
can interface to digital and analog I/O
None of these
All of these

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