(F)Element 8-48 Maintenance Flashcards
1
Q
A thick layer of rust and corrosion on the surface of the parabolic dish will have what effect?
A
decrease in performance, especially for weak targets
2
Q
The echo box is used for
A
testing and tuning the RADAR unit by providing artificial targets
3
Q
What should be done to the interior surface of a waveguide in order to minimize signal loss?
A
Keep it as clean as possible
4
Q
Which of the following is the most useful instrument for RADAR servicing?
A
Oscilloscope.
5
Q
A non-magnetic screwdriver should always be used when replacing what component?
A
Magnetron
6
Q
What kind of display would indicate water in the waveguide?
A
Large circular rings near the center.
