Page 371 - GMAT 2017b_Neatb
P. 371

Electronics Information Test 2


              (A) 6.2 V                                              (A) a corner reflector
              (B) 12.4 V                                             (B) a horn
              (C) 19.2 V                                             (C) a dish
              (D) 48 V                                               (D) a helical

          111.If a vacuum cleaner is rated at 1,200 watts and operates   118.Fm  radio  broadcasting,  amateur  radio,  broadcast
              at 120 volts, how much current will it draw?           television, and commercial aircraft transmit on what
              (A) 10 amps                                            radio frequency?
              (B) 100 amps                                           (A) low frequency (LF)
              (C) 120 amps                                           (B) medium frequency (MF)
              (D) 144,000 amps                                       (C) very high frequency (VHF)
                                                                     (D) ultra high frequency (UHF)
          112.The term given to a unit of electromotive force is a(n)
              (A) ohm.                                           119.What is the purpose of a tuning capacitor?
              (B) amp.                                               (A) It allows an antenna to transmit.
              (C) megawatt.                                          (B)  It is used to vary the time period.
              (D) volt.                                              (C) It adjusts the resonant frequency.
                                                                     (D) none of the above.
          113.The best antenna to use when working with frequencies
              below 300kHz would be a                            120.A transformer changes which of the following?
              (A) parabolic antenna.                                 (A) power and pressure
              (B) loopstick antenna.                                 (B) voltage and amperage
              (C) dish antenna.
                                                                     (C) voltage and current
              (D) wire hanger antenna.
                                                                     (D) chemical energy
          114.Which  of  the  following  is  an  advantage  of  a  corner
              reflector antenna?
              (A) broad spectrum capability
              (B) its wireless design
              (C) low power out
              (D) increased directivity                          1.  B  21. C  41. D   61. A  81. D  101.C
                                                                 2.  C  22. B  42. C   62. D  82. B  102.C
          115.In a directional antenna, what is the correlation between   3.  D  23. D  43. B  63. C  83. B  103.C
              the diameter of a reflector in wave lengths and the gain?  4.  D  24. B  44. D  64. C  84. A  104.B
              (A) the smaller the diameter, the narrower the lobe  5.  C  25. A  45. B  65. D  85. B  105.B
              (B) the smaller the diameter, the greater the gain  6.  A  26. A  46. C  66. D  86. A  106.A
              (C) the larger the diameter, the greater the gain  7.  B  27. C  47. A   67. C  87. D  107.C
              (D)  none of the above                             8.  C  28. B  48. D   68. D  88. A  108.C
                                                                 9.  B  29. D  49. C   69. D  89. D  109.C
          116.In series circuit A, a 10W   load dissipates 1 watt. In   10. C  30. C  50. A  70. A  90. A  110.C
          series   circuit B, a 10W load dissipates 2 watts. What can   11. D  31. B  51. D  71. C  91. D  111.A
          be  said about the current through the load in circuit A if the   12. D  32. B  52. D  72. C  92. B  112.D
              voltages in both circuits are equal?               13. A  33. A  53. B   73. A  93. D  113.B
              (A) The current through load A is equal to the current   14. B  34. D  54. D  74. D  94. A  114.D
                 through load B.                                 15. B  35. B  55. C   75. C  95. D  115.C
              (B) The  current  through  load A  is  twice  the  current   16. D  36. C  56. D  76. B  96. C  116.C
                 through load B.                                 17. C  37. A  57. C   77. A  97. D  117.B
              (C) The  current  through  load  A  is  half  the  current   18. B  38. D  58. B  78. D  98. D  118.C
                 through load B.                                 19. D  39. C  59. C   79. D  99. D  119.C
              (D) The current through load A is zero.            20. D  40. B  60. D   80. C  100.C  120.B

          117.What type of antenna is this?
                                                              Refer to Page 277 - 281 of Master Job Aptitude
                                                               Test Workbook 2014 For detailed Explanation

                                                                          to the above answer key.





                                                            374
   366   367   368   369   370   371   372   373   374   375   376