Automation System
Speech recognition:

will never be used in industrial controls
is already widely used in industrial controls
will be used in more applications as the technology matures.
All of these
None of these

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Automation System
Pressure sensors:

use capacitive variations to sense pressure
use an aneroid chamber with a variable resistance output
None of these
All of these
use the piezoresistive effect in strain gauge sensors

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Automation System
What is proportional control?

The controller output varies continuously over a range
It has a discrete output for each error value
The gain is independent of offset error.
All of these
None of these

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Automation System
Resolution in a CRT refers to:

the speed at which the monitor can accept data from the computer
the number of phosphor dots that react when hit by the electron beam
the number of addressable elements on the tube
None of these
the number of pixels in each square centimeter

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