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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Complete List of Communications Engineering Exams: ECE Pre-Board
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