Communications Engineering Exam 10: ECE Pre-Board – Answers

(Last Updated On: March 25, 2020)

Communications Engineering Mastery Test 10: ECE Pre-Board

Below are the answers key for the 100 items set of Practice Examination 10 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. WAP

2. Impulse noise

3. 0.38 db

4. 20%

5. 70 MHz

6. X modem

7. Spacing bias distortion

8. 317 W

9. GPRS

10. COW

11. A variable LC oscillator with metered feedback current

12. Two or more antennas operating on the same frequency

13. Video detector

14. 258

15. In the nonlinear region

16. 64 kbps

17. 3 kHz

18. 50 dB

19. R3E

20. 30 MHz

21. Cathode end of the helix

22. Antenna directivity

23. 14

24. A3J

25. Free space

26. Loudness

27. 15

28. Homing

29. The amount of radiation received from the sun

30. The noise floor of the receiver

31. 1000 Hz

32. Poor front-end selectivity

33. VHF

34. H bend

35. 1.25 MHz

36. Horizontal

37. Zone of silence

38. 20 %

39. STX

40. Wow

41. When 60% of the capital is owned by Filipino citizens

42. Logatom

43. Because their power is increased by class C amplifiers

44. 1361.25 W

45. ITU-W

46. Neutralization

47. PLL

48. Logical

49. 0.635 to 15.24 cm

50. 44.736 Mbps

51. Nature of multiplexing

52. 500 Hz

53. ITU-T

54. 2174.5 kHz

55. Power margin

56. Load water

57. Dark conductance

58. One upper sideband

59. Directional coupler

60. Optical media board

61. AB test

62. V series

63. T4

64. 40 dB

65. 96

66. Lambertian source

67. 30 to 53 kHz

68. 125,000

69. Fresnel reflection

70. World telecommunication standardization conference

71. Fringe area

72. Grass

73. Vertical Marconi antenna

74. The audio section

75. Mush

76. Waveguide switch

77. 10 W

78. Quad

79. Double-balanced

80. X-rays

81. Convergence

82. Department Order No. 5

83. Master

84. Marconi antenna

85. Discriminator

86. Character

87. Interpolator

88. 239 ms

89. 1 pW

90. Sunspot

91. Prominence

92. Filament

93. 10.7 cm band

94. 32,000 nT

95. 62,000 nT

96. Picosat

97. Sputnik 2

98. CDMA

99. 2.5G

100. Bluetooth

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