Automation System
The reliability life cycle of a product:

None of these
stays constant with environmental conditions
All of these
cannot be predicted
has three distinct rates of failure

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Automation System
What is the process lag?

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

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Automation System
A common data base is one requisite for converting CAD and CAM to CIM. Another is that:

the system must make provision for new techniques.
technical assistance must be provided to the user.
there should be a common 3-D part description system.
the user must have access to both hardware and software
None of these

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Automation System
Semiconductor devices:

are less reliable than electro¬mechanical components
All of these
None of these
have a very short infant mortality period
usually have a very short MTBF (mean time between failure)

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