Exposure timers Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
| Question | Answer |
| Using AEC, a 50 speed is mistakenly used instead of a 400 speed IR. What will occur? | insuffient optical density |
| the use of an impulse or synchronous timer in a single phase will permit exposure times as short as | 17 ms (1/60) |
| timer circuits are located in the _________ circuits for safety reasons | primary |
| what is the likely cause of an excessively long AEC exposure? | failure to properly center the x-ray tube |
| thsi terminates an AEC exposure | Thyristor |
| most common type of device in a modern 3 phase timer circuit is a silicon controlled rectifier. what is the smallest exposure that it is capble of? | 1 millisecond (.001) |
| where are the ioniztion type sensors located? | between the table and the grid in the bucky tray |
| For AEC, falure to utilize the proper factors will result in | a radiograph possessing excessive or insufficient optical density |
| a minus 2 setting in the density control setting is the equivalent of how much of a reduction in the mAs value? | 50% |
Created by:
kristinalyn
Popular Radiology sets