AUGUST 2018 Sub. Code: 1403
DIPLOMA IN RADIOLOGY IMAGING TECHNOLOGY
FIRST YEAR
PAPER III X-RAY MACHINES ACCESSORIES
Q.P. Code: 841403
Time Three Hours Maximum 100 Marks
Answer All questions.
I. Elaborate on: x 10 30)
1. Explain in detail of Modern X-Ray tube, construction and working principle.
2. What is conventional fluoroscopy? Explain the working principle and
construction of Image Intensifier (I.I).
3. Discuss in detail about the Transformer. Explain about step-up, step-down
and Auto-Transformer.
II. Write notes on: (10 x 5 50)
1. Full wave Rectification.
2. Photo Timer.
3. Cathode Ray Oscilloscope.
4. X ray tube Housing.
5. Off focus principle.
6. Filters and its uses.
7. MA and KV.
8. Mammography X -ray tube.
9. Characteristic rays.
10. Focusing Cup.
III. Short answers on: (10 x 2 20)
1. Anode angle.
2. Heel Effect.
3. Three phase Generator.
4. Scatter Radiation.
5. Thermionic Emission.
6. Semi Conductors.
7. Triode.
8. Inverse Square Law.
9. Transformer efficiency.
10. Aperture Diaphragm.