Automation System
Flood guns bombard the phosphor surface of the tube in which one of the following types of CRT technology?

Direct view storage tube
Stroke CRT
None of these
Refresh-vector CRT
Raster scan CRT

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Automation System
A stepping motor;

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

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Automation System
What is the process lag?

None of these
The time it takes for the mass of the process to respond to an input change.
The lag in the error signal when the setpoint is changed.
All of these
The time it takes for the sensor to respond to a changed.

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Automation System
A solenoid:

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

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