Automation System
The axis of movement of a robot may include:

None of these
elbow rotation
All of these
Wrist rotation
X-Y coordinate motion

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Automation System
A venturi tube:

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

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Automation System
Most industrial control applications:

can be done more reliably using solid-state methods
can be solved using more than one method of control
All of these
None of these
must have the process specified correctly to be successful

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Automation System
Stepping motors:

can run at varying speeds
All of these
can be built to index different amounts by changing the pole configuration
do not require commutators
can run both clockwise and counterclockwise

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