Automation System
Flood guns bombard the phosphor surface of the tube in which one of the following types of CRT technology?

Direct view storage tube
None of these
Stroke CRT
Raster scan CRT
Refresh-vector CRT

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Automation System
Pressure sensors:

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

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Automation System
Sensors:

None of these
are not important in automation
will be much smarter and more sophisticated in the future
probably will not improve over the next decade
are easily developed

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