Communications Engineering Exam 2: ECE Pre-Board - Answers

Answers key for the Pre-Board Examinations in Communications Engineering Module 2 composed of previous Board Exams Questions.

Communications Engineering Exam 2 - Answers

Below are the answers key for the 100 items set of Practice Examination 2 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. MF

2. DTE

3. Data terminal equipment (DTE)

4. the approximation of the quantized signal

5. convert current variations into sound waves

6. inverted

7. attenuation

8. Standing waves

9. noise is amplified with voice when an FDM system is used

10. Modulation index

11. Shorten the time delay for each channel

12. polling

13. 6

14. LSB and USB

15. standards for interfaces between terminals and modems

16. Tie trunk

17. 312 to 552 kHz

18. 64 kbps

19. Reflectometer

20. 270 kbps

21. 2.6

22. PAM

23. 2.656 watts

24. Satellite dish

25. 128

26. 20 kW

27. 240 Hz

28. is decreased

29. repeaters regenerate digital pulses and remove distortion

30. bridge

31. Angle

32. mode

33. Polling

34. ICAO

35. Bipolar

36. flattening

37. both electric and magnetic fields

38. 2:1

39. Downlink

40. TDM

41. dBr

42. 1.3 MHz

43. 1.23

44. PSK

45. RF carrier

46. 1

47. All of these

48. 1952

49. the positioning of data within a frame

50. 10 Mbps

51. 92.4 + 20 log f + 20 log d

52. Rhombic antenna

53. Early bird

54. 4

55. Bockham and Kao

56. C-band

57. Frequency

58. Polarization

59. Band reject filter

60. has 132 characters including 32 control characters

61. low-wattage light bulb

62. resistive load at the resonant frequency

63. 140.89 dB

64. 40 dBm

65. ion propulsion system

66. IMPATT

67. transfer maximum power to the load

68. 300,000 km/sec

69. are reflected from the walls but do not travel along them

70. agreed upon in advance between sender and receiver

71. Discrete channel

72. Molten

73. dolby

74. The clocking is derived from the data in synchronous

75. 22

76. A3

77. Sound intensity

78. effective height

79. Induction coil

80. Moon

81. interface digital terminal equipment to analog communications channel

82. 3700 Hz

83. H3E

84. 0 to 4 kHz

85. 10-6m

86. Surface loam soil

87. UHF

88. Mel

89. Electromagnetic

90. 64 kbps

91. horizontally polarized

92. 0.0465 cm

93. 14 ns

94. 52 ┬Ásec

95. 3 dB

96. 35

97. two or more antennas operating on the same frequencies

98. Isochronous

99. SIM

100. Radio survey

What's next in line?

Complete List of Communications Engineering Exams: ECE Pre-Board


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