FEBRUARY 2017 Sub. Code: 1832
B.Sc. RADIOLOGY IMAGING TECHNOLOGY
(New Syllabus 2014-2015)
SECOND YEAR
PAPER II X-RAY FILM/IMAGE PROCESSING TECHNIQUES
(INCLUDING DARK ROOM TECHNIQUES)
Q.P. Code: 801832
Time: Three Hours Maximum: 100 Marks
Answer all questions
I. Elaborate on: x 10 30)
1. Define contrast and various factors that affect contrast.
2. Explain about automatic film processing.
3. Discuss in detail about doubled coated X-ray film structure.
II. Write notes on: x 5 40)
1. How will you test for screen contact?
2. Characteristic curve of X-ray emulsion.
3. Care of X-ray cassette.
4. Screen mottle.
5. Types of intensifying screen.
6. Safe light.
7. Artifacts in X-ray films.
8. Rare earth screens.
III. Short answers on: (10 x 3 30)
1. Luminescense.
2. Laser camera.
3. Grid.
4. Curved cassette.
5. Latent image.
6. Processing faults.
7. X-ray phosphors.
8. Flexible cassette.
9. What is pH value?
10. Dichroic fog.