GS2003

  1. Coast Guard field changes are numbered consecutively starting with what number?
    91
  2. Navy field changes are numbered consecutively starting with what number?
    1
  3. How many Navy class designations are there for field changes?
    3
  4. Where can you find the published field changes to Navy and commercial equipment?
    Equipment Systems Information Bulletin (ESIB)
  5. What is issued when minor mistakes have been made in a field change bulletin?
    Errata sheet
  6. What is a modification consisting of component changes to modules, subassemblies, or equipment and may be provided as a part of a Type 1 or Type 3 field change?
    Emergency alteration
  7. What is a multi-cable transit (MCT) device?
    • A modular system that utilizes standard units and dimensions to allow
    • flexibility and compatibility with various numbers and sizes of cables.
  8. Where would you find complete installation and assembly instructions for multi-cable transit devices?
    DOD-STD-2003 (NAVY)
  9. In cable tag number 2R - ES403 what does the 2 represent?
    Identical system number
  10. Which cable function marking stands for radar remote indicators?
    ER
  11. Which cable function marking stands for Surface search radar?
    ES
  12. Which cable function marking stands for radio teletype?
    RY
  13. A spare conductor shall have _______ written on the conductor tag?
    Spare
  14. NAVSEA SE000-00-____________ may be used for test methods and guidance for testing of coaxial cables.
    EIM-130
  15. The guidelines listed in __________ Section 5-2.10 for Quality Control inspections of waveguides shall apply to rigid coaxial transmission lines.
    EIM-110
  16. What 2 tests shall be conducted on all flexible and semi-rigid coaxial cables?
    Attenuation and VSWR
  17. When shall Cables installed in shipboard electronic systems receive visual inspections, continuity checks and insulation resistance tests?
    Before energizing of equipment
  18. Insulation resistance measurements for multiconductor cables with conductors of less than 1700 circular mil area in size shall have a minumum resistance value of _______
    50,000
  19. Andrew Corporation includes ________with each HELIAX cable connector.
    specific installation instructions
  20. Coax cables with polyethylene or polytetrafluorethylene (Teflon) dielectric and a length of 100 feet (or less) shall have an insulation resistance greater than or equal to ______ megaohms?
    40,000
  21. Cables not meeting the minimum insulation resistance values shall be ____________.
    Replaced
  22. A complete field change package consists of the field change bulletin and a __________.
    Field change parts kit
  23. If the service-entrance conductor is copper wire size 1, what size copper wire should be used for the grounding electrode conductor for the AC system?
    Wire size no. 6
  24. If the current rating of the overcurrent protection device is 500, what is the minimum copper wire size for the equipment-grounding conductor?
    Wire size no. 2
  25. Roof and down conductors must be a separate ________ cable, continuous, unspliced and installed in as straight a line as possible in order to provide a low-impedance path from the highest conductive surface (air terminal) to the main ground connection point.
    0000 AWG
  26. Sending a message on several frequencies at once is an example of which of the transmission type?
    Frequency Diversity
  27. What type of diversity uses physically separated transmit and receive antennas to improve communications?
    Space
  28. One terminal in a link has its equipment setup in simplex. The other terminal is using two channels or frequencies in a configuration that allows sending and receiving of different messages at the same time. These two terminals working together make up what mode of operation?
    Semi-Duplex
  29. A transmitted electromagnetic wave enters an antenna, induces a voltage into it, and passes that voltage to a receiver. What is this chain of events called?
    Reception
  30. When a receiver separates the audio frequencies from the radio-frequency carrier it is performing what basic function?
    Detection
  31. When a receiver picks one frequency out from all other frequencies, it's performing what basic function?
    Selection
  32. The receiver action of converting electrical energy to a usable format, such as sound, is an example of what basic function?
    Reproduction
  33. What measurement provides an indication of the ability of a receiver to reproduce weak signals?
    Sensitivity
  34. Overall sensitivity of a receiver is limited by which of the following factors?
    Noise
  35. How is a receiver's ability to reject unwanted signals and receive desired signals determined?
    Selectivity
  36. The IF in a receiver is produced by what method?
    Heterodyning
  37. The process of heterodyning takes place in which receiver circuit?
    Mixer
  38. The process of simultaneous transmission of several intelligible signals on the same frequency during the same period of time is called?
    Multiplexing
  39. Which category of electromagnetic interference includes interference generated by electrically charged raindrops?
    Natural
  40. What method of reducing RF burn hazards is the most useful and widespread technique used?
    Bonding and grounding all metallic objects
  41. The greatest hazard from thermal effects appears to come from equipment operated in what frequency range?
    1-3 GHz
  42. You have been working on a piece of equipment and your eyes have been exposed to high-intensity microwaves. What eye problem may occur?
    Cataracts
  43. In a line of sight communications system, propagation is affected by what layer of the atmosphere?
    Troposphere
  44. For lower frequency communication systems that utilize sky wave propagation for signal transmission, propagation is affected by what layer of atmosphere?
    Ionosphere
  45. Who was awarded both the Medal of Honor and Gold Life Saving Medal?
    Marcus Hanna
  46. What is the reference for Current Ship's Maintenance Project (CSMP)'s?
    NAVENG 9000.6D
  47. What is not a factor on control/multi-conductor cable?
    Impedance
  48. How often is portable test equipment checked?
    Quarterly
  49. Tie wraps on a cable bundle should be how far apart?
    2.5X diameter not more than 10 Inch
  50. Category B Navy FBR's should be mailed to?
    FTSC
  51. What reference is used for inspecting a workbench?
    NEC
  52. What should the max resistance be between the metal case and ground on a power tool?
    1 ohm
  53. A workbench breaker should be rated at how many amps, according to the Electronics Manual?
    20 A
  54. How are cables run on a cutter for battle damage reasons?
    Inside Frames and Along Cable trays
  55. How often are direction finders calibrated?
    Every 12 Months
  56. What determines the weekly PMS schedule?
    Quarterly Schedule
  57. What are the different cable classifications?
    Active, Passive, Susceptible
  58. A direction finder must be re-calibrated if it is off by how many degrees?
    3
  59. How long can someone work inside the PEL while a mini-loop antenna is energized before injury is inflicted?
    6 Minutes
  60. Multi-conductor cable is bad when measured less than how many ohms between conductors?
    50 Kohm
  61. Guy wire turnbuckle should have a what through it?
    A Safety Wire
  62. In a earth electrode subsystem how can you achieve a better ground?
    Drive the grounding rods deeper
  63. High voltage signs need to be posted when voltages are over?
    500 V
  64. How close can you be to electronics with jewelry on?
    4 FT
  65. How often is the lightning protection subsystem to be visually and mechanical?
    2months (bi-monthly) and annually
  66. Navy preventative maintenance card that tells you specifically how to do something?
    MRC (maintenance requirement card)
  67. What type of field change furnishes documentation only?
    Type 2
  68. What is the advice code for an 0C turn in items?
    5G
  69. How long does it take a radar pulse to travel one mile (back and forth)?
    12.36 micro sec
  70. What is the speed of RF transmissions?
    Speed of light 186,000 miles/sec
  71. How far is a radar mile?
    2x nautical mile
  72. In feet how far is a statute mile/nautical mile?
    Statute mile is 5,280 feet…….NM is 6,080 feet
  73. What is the form number for an allowance change request?
    CG 5323
  74. What type of antenna is operated with one end grounded?
    Marconi
  75. Who maintains the CSMP's on cutters?
    EO
  76. To make changes to a CASREP, what action do you need to do?
    Issue casrep update
  77. Fire control tracking radar usually produces what type of beam?
    Narrow and Circular
  78. What type of servo has a feedback loop?
    Closed loop
  79. What form is used to order publications?
    CG 4428
  80. How many directorates are there?
    11
  81. How many units work directly for headquarters?
    35
  82. Where are ship's configuration change form OPNAV 4790/CK sent?
    SFLC
  83. What four basic functions must a receiver perform?
    Reception, Detection, Selection, Reproduction
  84. What are the four basic receiver characteristics?
    Sensitivity, Noise, Selectivity, Fidelity
  85. What are the three basic parts of an Optical Fiber Cable?
    Core, Cladding, and Coating
  86. Which type of EMI is classified as natural interference?
    Precipitation and Static Electricity
  87. Distorted audio on Receiver is caused by?
    Over-modulation
  88. On ship's drawings, what is identified by sequential uppercase letters?
    Revision
  89. What is the preferred ground for Coast Guard Communications-Electronics (C.E.) facilities?
    Multi-point
  90. What governs tag-out procedures at shore units?
    OSHA
  91. What is the max resistance to ground for an earth electrode subsystem in a non-communications electronics facility?
    25 Ohms
  92. What does MIP stand for in regards to Preventive Maintenance System (PMS)?
    Maintenance Index Page
  93. The 3 types of EMI are?
    Man-made, Inherent, Natural
  94. Impedance between the ground buss and the fault protection subsystem shall be less than _____ Ohms?
    .1
  95. Impedance between the ground buss and the fault protection subsystem shall be less than _____ A?
    .1
  96. When discharging a lithium battery how long after discharge is the battery still dangerous _____ Min?
    30
  97. When going into a yard period what type of PMS is required?
    LU (Lay Up)
  98. What fund code is used for small arms ordinance AFC-____?
    30
  99. Unit training shall be scheduled how far in advance?
    1 Month
  100. What type of inventory is required for OM&S with a unit price of less than $1000 and allowance, SIM and non-SIM materials?
    Scheduled
Author
CDMTET
ID
325091
Card Set
GS2003
Description
Junk
Updated