Automation System
The steady-state error is:

None of these
decreased by increasing gain.
a function of the transient response
zero for all inputs to type 1 systems
independent of the type of input

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Automation System
Digital signals:

have a sinusoidal shape.
can have three possible levels
None of these
have a frequency measured in units of hertz
are assigned values of 1 or 0 depending on the voltage level

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Automation System
A venturi tube:

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

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