Automation System
When one must sell a project to management, the most important document he or she can produce is a:

project evaluation
None of these
procedure for purchase
method for financing the project
summary of the problem

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Automation System
What is the process lag?

None of these
The time it takes for the sensor to respond to a changed.
The lag in the error signal when the setpoint is changed.
All of these
The time it takes for the mass of the process to respond to an input change.

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Automation System
A solenoid:

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

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