Communications Engineering Exam 3: ECE Pre-Board - Answers

Answers key for the Pre-Board Examinations in Communications Engineering Module 3 composed of previous Board Exams Questions.

Communications Engineering Exam 3 - Answers

Below are the answers key for the 100 items set of Practice Examination 3 in Communications Engineering composed of previous Board Exams Questions and cautiously selected questions from various topics in Communications Engineering (Electronics Systems and Technology) that could possibly be given in the board.

1. 100 Ω

2. 156 Ω

3. Single line wire

4. 6 dB

5. Balun

6. 75 Ω

7. 3

8. Shannon-Hartley theorem

9. Duplex

10. 15 to 160 Mhz

11. 290 Kelvin

12. 800 Hz

13. Quantizing level

14. Noise

15. NPR

16. pWp

17. 50%

18. A3J

19. Limiter

20. Much better noise immunity

21. 71

22. Constant peak amplitude

23. H3E

24. Class C

25. Varying of some parameters of a carrier such as its amplitude to transmit information

26. Assures that the telephone is working

27. 0 dBm

28. 36 CCS

29. Facsimile

30. 100

31. 1 TU

32. Refraction

33. Maximum usable frequency

34. James Clerk Maxwell

35. Ionospheric scatter

36. F2

37. Wavelength

38. F layer

39. 8500 km

40. Vertical

41. Azimuth

42. Rhombic

43. Orthomode transducer

44. 10.89 times

45. Standing waves

46. 200 kph

47. 3

48. Dummy antenna

49. Antenna

50. 42.9 MHz

51. Two-way simultaneous transmission

52. Polling

53. They have clock recovery circuits

54. 2B+D

55. Data communication equipment

56. STX

57. To protect small signals in PCM from quantizing distortion

58. Is concerned with the boundaries between characters

59. Spectral analysis

60. X.75

61. Asynchronous

62. Folding frequency

63. Baseband

64. Huffman code

65. Shannon-hartley theorem

66. Totally different

67. Sampling, quantizing, and coding

68. Duplex

69. LNB

70. Gallium Arsenide solar panel

71. Satellite radiation pattern

72. 38

73. 0.38 dB

74. LED

75. Step-index multimode

76. 800 THz

77. 50,000 h

78. Sound intensity

79. Flanking transmission

80. 89.1 dB

81. Fundamental

82. 10 log I/I(ref)

83. Diffraction

84. Volume unit meter

85. 995 to 2055 KHz

86. Low band VHF

87. Antenna

88. Pan/tilt device

89. 5

90. 52 µs

91. Due to water vapor and oxygen

92. Distances involved are greater

93. 60 GHz

94. Radio detection and ranging

95. Terrestrial link

96. Shorten waveguide link

97. PD 223

98. E.O. No. 266

99. Act. No.`3846

100. Log

What's next in line?

Complete List of Communications Engineering Exams: ECE Pre-Board


Post a Comment

Contact Form

Name

Email *

Message *

Powered by Blogger.
Javascript DisablePlease Enable Javascript To See All Widget