Automation System
A Hall effect switch is usually used to:

None of these
sense the presence of a magnetic object.
sense a vacuum
measure temperature
measure voltage

ANSWER DOWNLOAD EXAMIANS APP

Automation System
A solenoid:

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

ANSWER DOWNLOAD EXAMIANS APP

Automation System
The computer graphics system called SKETCHPAD was demonstrated at

None of these
University of Aston, Birmingham, 1960
Cranfield Institute of Technology, London, 1962
Massachusetts Institute of Technology in 1963
Imperial college of Science and Technology, London, 1973

ANSWER DOWNLOAD EXAMIANS APP

Automation System
How is the integral mode implemented on a digital controller?

All of these
the error signal is summed over a discrete time interval and accumulated by the controller
the digital controller cannot handle integral mode
the error is divided into discrete amounts
None of these

ANSWER DOWNLOAD EXAMIANS APP