Automation System
A venturi tube:

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

ANSWER DOWNLOAD EXAMIANS APP

Automation System
A solenoid:

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

ANSWER DOWNLOAD EXAMIANS APP