Automation System
Numerical control:

None of these
All of these
is a method for producing an exact number of parts per hour
is a method for controlling the operation of a machine by means of a set of instructions
applies only to milling machines

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Automation System
A solenoid:

is related to an aneroid
None of these
is spring operated
can be used only in de circuits
is widely used in industrial automation

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Automation System
What is proportional control?

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

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