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Rectification
| Question | Answer |
|---|---|
| high-voltage AC is changed to high-voltage DC between the secondary of the high-tension transformer and the | x-ray tube |
| 3 advantages of a 3-phase power supply | shorter permitted exposures, higher beam quality, higher beam intensity |
| principle material of a solid state diode and what is significant about it? | silicon that is doped with arsenic or gallium |
| in a 3 phase, if one of the rectifiers is damaged prior to an exposure, what is likely to occur? | reduce amount of optical density due to a decreased radiation output |
| process in which AC is converted to DC | rectification |
| how many diodes in a 3 phase 12 pulse? | 12 |
| how many diodes in full wave? half wave? | 4, 2 |
| a 3 phase, 6 pulse unit has an effective kV of about ______% of the peak kV | 87% |
| small variation of the voltage waveform of 3 phase rectified current | voltage ripple |
| how many dots should appear on a spin top test image for a single phase full wve rectiied unit: 250 milliseconds, 150 milliseconds, 16 milliseconds | 30, 18, 2 |
Created by:
kristinalyn
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