Automation System
What is offset error?

the difference between the control setpoint value and the actual value.
the difference between the controller output and the setting of the manipulated variable.
the difference between the sensor input and the absolute sensed parameter.
None of these
All of these

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Automation System
The program counter:

decides which program to run
is where arithmetic is done in a computer.
counts the number of instructions that have been executed
contains the address of the next instruction to be executed
None of these

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Automation System
One of the major benefits of using CAD in tool design is that:

there is better coordination in the materials-handling area
it simplifies the trial-and-error method
tool motions can be checked to see if there is interference between the tool and the object
None of these
product design represents approximately one-half the engineering costs

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Automation System
A venturi tube:

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

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