Automation System
Three different aspects of colour are used to define specific colours. They are hue, saturation, and:

gray scale
None of these
shading
metamer
value

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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
The main function(s) of computer in CAD is/are

All of these
To enhance the analytical and logical power of the designer
To relieve the designer from routine repetitious tasks.
To serve as an extension to the memory of the designer
None of these

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