[LO 0219] FEBRUARY 2019 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 Image Intensifying Tube (I.I. Tube) construction and
working principle.
2. How are x-rays produced? With a suitable diagram describe a Rotating
Anode Tube.
3. Rectification. With a diagram, describe the half-wave rectification circuit.
II. Write notes on: (10 x 5 50)
1. Filament Circuit.
2. Potter Bucky system.
3. M.M.R. Mass Miniature Radiography.
4. Requirements for x-ray production.
5. Kilo voltage circuit.
6. Interaction of electrons with the target.
7. Anode heel effect.
8. Artifacts during film processing.
9. Full wave rectifier circuit.
10. X-ray beam quality.
III. Short answers on: (10 x 2 20)
1. Automatic Exposure Control.
2. Thermionic Emission.
3. Tube Cooling System.
4. Types of x-ray generators.
5. Conductors.
6. Inverse Square law.
7. Steps of manual film processing.
8. Advantages of automatic film processing over manual method.
9. Line focus principle.
10. Scatter radiation.