AUGUST 2017 Sub. Code: 1803
B.Sc. RADIOLOGY IMAGING TECHNOLOGY
FIRST YEAR
PAPER III RADIO DIAGNOSIS EQUIPMENTS, MAINTENANCE AND
QUALITY CONTROL
Q.P. Code: 801803
Time: Three Hours Maximum: 100 Marks
Answer all questions
I. Elaborate on: x 10 30)
1. Explain in detail different types of digital radiography.
2. Name the different equipments used in dental radiography. Write in detail
about ortho pantomogram.
3. What are the different types of X-ray tubes? Explain stationary anode tube
with neat labeled diagram.
II. Write notes on: x 5 40)
1. CR cassette reader.
2. Image intensifying screen.
3. Describe the properties of tungsten.
4. Beam restrictors.
5. Types of grids and its uses.
6. Exposure control devices.
7. Principle of tomography.
8. Factors determining image quality.
III. Short answers on: (10 x 3 30)
1. Half value layer.
2. Filament circuit.
3. Air gap technique.
4. Added filtration.
5. What is DSA?
6. Tube rating.
7. Linear attenuation co-efficient.
8. Types of circuits in X-ray tube.
9. Target material in mammogram.
10. Semi-conductor.