Automation System
A venturi tube:

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

ANSWER DOWNLOAD EXAMIANS APP

Automation System
A stepping motor;

can index positional movement.
has a speed proportional to voltage input
None of these
is a good choice where continuous rotation is needed
has a commutator

ANSWER DOWNLOAD EXAMIANS APP

Automation System
A sequence controller:

is difficult to program
is a mechanical only controller
is no longer in widespread use
performs on/off control functions in relation to time.
None of these

ANSWER DOWNLOAD EXAMIANS APP