Automation System
The refresh-vector CRT uses which of the following techniques?

Uses an electron gun to continuously flood the surface of the tube.
Makes changes on the image by increasing the anode voltage.
None of these
Creates images on the screen by scanning straight-line vectors between selected points.
The beam constantly travels across the screen to turn on/off a series of pixels.

ANSWER DOWNLOAD EXAMIANS APP

Automation System
A sequence controller:

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

ANSWER DOWNLOAD EXAMIANS APP

Automation System
Sensors:

probably will not improve over the next decade
will be much smarter and more sophisticated in the future
are not important in automation
are easily developed
None of these

ANSWER DOWNLOAD EXAMIANS APP