Automation System
A venturi tube:

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

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Automation System
A stepping motor;

has a speed proportional to voltage input
None of these
has a commutator
is a good choice where continuous rotation is needed
can index positional movement.

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

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

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Automation System
The SKETCHPAD system

None of these
is used for interactive Graphics
All of these
is expensive because it is sophisticated and make demands on the power and resources of the computer.
consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.

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