Automation System
A set of well-defined procedures based on mathematical and geometric formulas for solving a problem in a finite number of steps is called:

a permutation
an algorithm
None of these
a geometric model
arithmetic logic

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Automation System
Pressure sensors:

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

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Automation System
A solenoid:

is related to an aneroid
is widely used in industrial automation
can be used only in de circuits
None of these
is spring operated

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