Automation System
A venturi tube:

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

ANSWER DOWNLOAD EXAMIANS APP

Automation System
What is proportional control?

None of these
All of these
The gain is independent of offset error.
The controller output varies continuously over a range
It has a discrete output for each error value

ANSWER DOWNLOAD EXAMIANS APP

Automation System
Programmable controllers:

None of these
are programmed using relay ladder logic
are widely used in many different industries
(a) and (c) above
cannot perform functions other than relay logic

ANSWER DOWNLOAD EXAMIANS APP