EC2034 Television & Video Engineering B.E Question Bank : dmice.ac.in

Name of the College : DMI College OF Engineering
Department : Electronics & Communication Engineering
Subject Code/ Name : EC2034 & Television & Video Engineering
Degree : B.E
Website : dmice.ac.in
Document Type : Question Bank

Television & Video Engineering : https://www.pdfquestion.in/uploads/dmice.ac.in/1745-EC2034.doc

DMI Television & Video Engineering Question Paper

UNIT 1

PART A :
1.Define aspect ratio?
2.What do you understand by flicker?
3.What kind of modulation is used for video signal?

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4.Why the total numbers of lines are odd in all TV system?
5.What is photoconductivity?
6.Define positive and negative modulation?
7.compare between the number of scanning lines and frames of Indian and American TV system

8.List out the frequency bands of Television broadcast channels?
9. What do you refer by persistence of eye?
10.State the major functions of camera tube?

11. what do you mean by resolving power or resolution?
12. Why is scanning necessary in television system?
13. What is horizontal resolution?
14. Differentiate monochrome and colour camera tube
15. What are the factors that affect bandwidth of a channel?
16. What is the basic principle of camera tube?
17. Why is FM preferred to AM for sound signal transmission?
18. what is storage action in vidicon camera tube?
19. What are characteristics of a camera tube?
20. What is the back porch?

PART B :
1.What is interlaced scanning & how does it reduces flicker and conserve bandwidth? Explain.
2.Describe how photo emissive & photoconductive techniques are used in camera tubes
3.Draw the cross sectional view of Image Orthicon camera tube & explain how it develops video signal.
4.Explain the principle of working of vidicon camera tube with necessary diagrams
5.With neat diagram explain the operation of CCD image scanners
6.Compare the types of target plates used in vidicon , plumbicon & Image orthicon
7.Explain in detail about the principle of working of Monochrome picture tube with necessary diagrams
8.Explain about horizontal sync pulse & vertical sync pulse with necessary diagrams
9.Draw the composite video signal waveforms & explain each pulses in it and also discuss the importance of synchronizing & blanking pulses.
10.Explain the need of VSB in picture transmission in TV system.

UNIT 2

PART A :
1. What are the requirements of TV broadcast systems.
2. Why do we prefer horizontal polarization for TV receiving antenna
3. How to vary the contrast & brightness in TV receiver?
4. What is the basic principle of AGC?
5. Define Antenna Gain?
6. What are trap circuits?
7. Define directivity of antenna?
8. What is meant by polarization?
9. What is Yagi antenna?
10. What do you understand by diplexer?
11. What are co-channel interference?
12. Define guard band?
13. Define Ghost interference?
14. Mention the requirements of high level modulation?
15. Name the essential parts of TV transmitter.
16. What are the types of interference problems?
17. What is Ghost images?
18. what is Yagi antenna?
19. What are parasitic elements?
20. What is LOS range?