MCQs in Broadcasting and Cable TV System Part I

(Last Updated On: December 8, 2017)

MCQs in Broadcasting and Cable TV System Series - Part I

This is the Multiples Choice Questions Part 1 of the Series in Broadcasting and Cable TV System as one of the Communications Engineering topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Examination Questions in Electronic System and Technologies, Communications Books, Journals and other Communications References.

Online Questions and Answers Topic Outline

  • MCQs in Radio Transmitter
  • MCQs in AM and FM
  • MCQs in Television
  • MCQs in Studio (Microphone, Amplifiers, Cameras, Lighting, etc.)
  • MCQs in Cable Television

MCQs in Broadcasting and Cable TV System Series

Following is the list of multiple choice questions in this brand new series:

Broadcasting and Cable TV System MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                   Answer key: PART II
PART 3: MCQs from Number 101 – 150                 Answer key: PART III
PART 4: MCQs from Number 151 – 200                 Answer key: PART IV
PART 5: MCQs from Number 201 – 250                 Answer key: PART V
PART 6: MCQs from Number 251 – 300                 Answer key: PART VI
PART 7: MCQs from Number 301 – 350                 Answer key: PART VII
PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII
PART 9: MCQs from Number 401 – 450                 Answer key: PART IX
PART 10: MCQs from Number 451 – 500                 Answer key: PART X

Start Practice Exam Test Questions Part I of the Series

1. Which of the following is the first component of any MATV system to receive broadcast signals?

  • a. Filter
  • b. LNA
  • c. RF amplifier
  • d. Antenna

2. Is the most common technique where apartment house, hotels, schools, condominiums, and multi-unit buildings distribute TV and FM signals to a number of receivers, using a single head-end.

  • a. CCTV
  • b. CATV
  • c. MATV
  • d. Antenna

3. TV channel 2, 4 and 5 belong to

  • a. Low band UHF
  • b. High band VHF
  • c. Mid band UHF
  • d. Low band VHF

4. A mechanism or device which enables the TV camera to move in lateral and tilting motion

  • a. Panning device
  • b. Scanner
  • c. Tilting
  • d. Pan/tilt device

5. Which of the following is a solid state imaging device?

  • a. VIDICON
  • b. ICONOSCOPE
  • c. Charge couple device
  • d. CCTV

6. What class of TV camera lens used to cover short distances?

  • a. Normal
  • b. Wide angle
  • c. Telephoto
  • d. Zoom

7. What class of TV camera lens used to cover long distances?

  • a. Normal
  • b. Wide angle
  • c. Telephoto
  • d. Zoom

8. What is the local oscillator frequency in commercial AM broadcast if it is equal to 455 kHz?

  • a. 0 to 1500 kHz
  • b. 0 to 455 kHz
  • c. 540 to 1600 kHz
  • d. 955 to 2055 kHz

9. What is the allowable deviation ratio of commercial FM broadcast?

  • a. 20
  • b. 75
  • c. 5
  • d. 25

10. The maximum power suggested by KBP on 919-1312 AM broadcast station in Metro Manila is

  • a. 5 kW
  • b. 10 kW
  • c. 15 kW
  • d. 20 kW

11. KBP radio code mandates that station must provide a minimum of ___ minutes

  • a. 30
  • b. 45
  • c. 50
  • d. 60

12. What is the chroma subcarrier signal frequency for color television?

  • a. 3.8 MHz
  • b. 6.8 MHz
  • c. 7.8 MHz
  • d. 8.8 MHz

13. What is the frequency tolerance of an FM Radio Broadcast station?

  • a. ± 20000 Hz
  • b. ± 20 Hz
  • c. ± 200 Hz
  • d. ± 2000 Hz

14. The minimum frequency separation between frequency of AM broadcasting station

  • a. 9 kHz
  • b. 18 kHz
  • c. 36 kHz
  • d. 72 kHz

15. The aspect ratio HDTV is

  • a. 4:3
  • b. 18:5
  • c. 14:8
  • d. 16:9

16. A newscast is a distinct unit of a program with a minimum news content of _____ minute(s) excluding intro, extro, headline and commercial load

  • a. 1
  • b. 2
  • c. 3
  • d. 4

17. In accordance with existing provision of law and the KBP rules and the regulations, all stations shall actively promote the growth ands the development of Filipino music by playing _____ OPM every clock hour.

  • a. 1
  • b. 2
  • c. 3
  • d. 4

18. Commercial load for radio shall not exceed ____ minutes for a one-hour program outside Metro Manila

  • a. 15
  • b. 20
  • c. 25
  • d. 30

19. Commercial load for radio shall not exceed _____ minutes for a one-hour program outside Metro Manila.

  • a. 15
  • b. 16
  • c. 17
  • d. 20

20. Program interruption for airing of commercial in Metro Manila shall not exceed _____ breaks in every program hour

  • a. 5
  • b. 6
  • c. 7
  • d. 8

21. Program interruption for the airing of commercial outside Metro Manila shall not exceed _____ breaks in every program hour

  • a. 5
  • b. 6
  • c. 7
  • d. 8

22. For Metro manila, the classification of prime time blocks for FM shall be

  • a. 6:00 AM to 8:00 PM
  • b. 6:00 AM to 12:00 NN
  • c. 6:00 AM to 6:00 PM
  • d. 12:00 NN to 12:00 MN

23. For provincial station, the classification of prime time blocks for FM radio shall be

  • a. 6:00 AM to 8:00 PM
  • b. 6:00 AM to 12:00 NN
  • c. 6:00 AM to 6:00 PM
  • d. 12:00 NN to 12:00 MN

24. All airtime classifications shall be submitted to and subject for approval by the

  • a. NTC
  • b. KBP-SA
  • c. DOTC
  • d. CCITT

25. _____ is the time circulation for one horizontal trace

  • a. 52 us
  • b. 62 us
  • c. 48 us
  • d. 50 us

26. Listing of the date and time of events, programs, equipment, tests, malfunctions and corrections in communications system.

  • a. Reporting
  • b. Documentation
  • c. Log
  • d. File

27. Which of the following is not a low impedance microphone?

  • a. Dynamic
  • b. Velocity
  • c. Condenser
  • d. Crystal

28. Facsimile permits remote duplications of which of the following items?

  • a. Map
  • b. Pictures
  • c. Printed page
  • d. All of these

29. Television has a lot of features in common with

  • a. FM stereo
  • b. Telephone service
  • c. Motion picture
  • d. Magazine

30. The major component of the TV signal waveform is the

  • a. Video
  • b. Radar
  • c. Stereo
  • d. Antenna

31. For NTSC TV system, the image is scanned from

  • a. Top to bottom
  • b. Left to right
  • c. Right to left
  • d. Choices A and B above

32. One completes NTSC scanning cycle called field consists of how many lines

  • a. 500
  • b. 525
  • c. 625
  • d. 60

33. The field rate in the NTSC television system

  • a. 30 Hz
  • b. 120 Hz
  • c. 60 Hz
  • d. 15.75 Hz

34. What is the horizontal synchronous blanking pulse rate?

  • a. 30 Hz
  • b. 60 Hz
  • c. 15.75Hz
  • d. 120 Hz

35. What is the vertical blanking pulse rate?

  • a. 30 Hz
  • b. 60 Hz
  • c. 15.75 Hz
  • d. 120 Hz

36. The pulses riding on the vertical blanking pulse

  • a. Equalizing (sync) pulses
  • b. Serrated vertical sync pulses
  • c. Black level pulses
  • d. Choices A and B above

37. Television camera pickup tube is called

  • a. Vidicon
  • b. Image orthicon
  • c. Plumbicon
  • d. All of the above

38. The television picture tube magnetic fields can be used for

  • a. Beam focusing
  • b. Beam deflection
  • c. Beam production
  • d. Beam modulation

39. What is the purpose of an indirectly-heated cathode in a cathode ray tube?

  • a. Beam focusing
  • b. Beam deflection
  • c. Beam production
  • d. Beam modulation

40. Video modulation for television is

  • a. Amplitude modulation
  • b. Frequency modulation
  • c. Vestigial sideband
  • d. Both amplitude modulation and vestigial sideband

41. Audio modulation for television is

  • a. Amplitude modulation
  • b. Frequency modulation
  • c. Vestigial sideband
  • d. Both amplitude modulation and vestigial sideband

42. What is the maximum frequency deviation for audio modulation in TV transmission?

  • a. 25 kHz
  • b. 30 kHz
  • c. 50 kHz
  • d. 75 kHz

43. The video carrier and the audio carrier are separated by ____ MHz.

  • a. 4.5
  • b. 5.5
  • c. 6.5
  • d. 7.5

44. In a practical image scanned at the NTSC rate, the spectrum will include components clustered at the fundamentals and harmonics of _____ kHz

  • a. 15.75
  • b. 30
  • c. 12.25
  • d. 45.5

45. Brightness of an image is known as

  • a. Radiance
  • b. Chrominance
  • c. Reflectance
  • d. Luminance

46. The colors at the vertices of the color triangle are referred to as

  • a. Primary
  • b. White
  • c. Desaturated
  • d. All of the above

47. A color signal which originate in the camera itself with color television pickup?

  • a. Red
  • b. Green
  • c. Blue
  • d. All of these

48. What are the three separate signals derived from a matrix in a color TV transmitter?

  • a. Y, I and Q
  • b. P, D and Q
  • c. M, N and O
  • d. R, S and T

49. Range of a VHF television transmitter

  • a. 54 – 98 MHz
  • b. 54 – 216 MHz
  • c. 54 – 128 MHz
  • d. 54 – 166 MHz

50. Range of a UHF television transmitter

  • a. 470 – 670 MHz
  • b. 470 – 770 MHz
  • c. 470 – 890 MHz
  • d. 470 – 980 MHz

Complete List of MCQs in Communications Engineering per topic

MCQs in Broadcasting and Cable TV System Part I
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