VOL 1 QNA - SOUND POWERED

  1. What is the purpose of the line cutout portion of a switchjack on a sound-powered telephone switchboard?
    To connect or disconnect a telephone station jackbox from it's circuit
  2. String-type circuits usually fall under what classification?
    Supplementary
  3. What is the circuit designation of the flag officer's circuit?
    JF
  4. What shipboard circuit is designated 3JZ?
    Main deck repair circuit
  5. How do you parallel a primary circuit with an auxiliary circuit?
    By use of a tie switch or a patch cord
  6. What is a disadvantage of paralleling sound powered telephone circuits?
    Overloaded transmitters
  7. Where are X40J circuits normall installed?
    Below deck stations
  8. Phone/distance and station-to-station lines are used under which condition?
    During replenishment at sea
  9. What should you do when you conduct an insulation test on a sound powered circuit?
    close all tie switches conencted to the circuit
  10. What is the source of power for sounder powered telephones?
    sound waves producted by the talker's voice
  11. What is the maximum number of sound powered handsets you can connect in parallel and still maintain efficiency?
    4
  12. What is the purpose of C1 in a sound powered head set chest set?
    it prevents the flow of dc through the receiver units when the set is uder with a sound powered amplifier
  13. what type of sound powered head set chest set used the press-to-talk switch in a jb clipped to the talkers belt?
    H-201/U
  14. what is the maximum number of sound powered telephone head set chest set that can be connected in parallel before line level response is considered critical?
    20
  15. What part of a sound powered telephone head set chest set might be damaged if it were stowed with soap powder?
    the diaphragm
  16. When repairing sound powered telephones, what main hazard exists, if you work on a dirty work bench?
    iron fillings may come into contact with the magents and be difficult to remove
  17. If an entire sound powered telephone circuit is inoperative, what is the most probable cause?
    a short circuit
  18. What is the proper procedure for testing a sound powered handset for loss of sensitivity?
    Depress the press-to-talk switch and blow into the transmitter
  19. What material is used for whipping tinsel conductors that are being made from bulk supply for use with headsets?
    DCOP cord
  20. Sound powered telephone amiplifiers are capable for transmitting the amplified signal to what total number of ___ headset chestsets and loudspeakers?
    six headset chestsets and two loudspeakers
  21. Amplified: When is relay K1 maintained in an operated condition?
    When Q6 is in a saturated state
  22. What is the purpose of an amplifier control switch?
    It allows an operator to control all sound powered amplifiers from one central location
  23. What total number of __ sections and ___ stationary contacts can be found on a type A-26A sound powered telephone selector switch?
    2 sections and 16 stationary contacts
  24. Soundproof booths for sounder powered telephones are used in spaces where the ambient noise levels is at what decidbel level?
    90 dB or more
  25. What space would you likely find a plotters transfer switchboard?
    CIC
  26. What sound powered telephone call circuit is used for engineering?
    3E
  27. What total number of individual station can be called using a type IC/D call signal station?
    16
  28. Name 3 components that are mounted on the cover on an IC/D call signal station?
    • Howler unit
    • Selector switch
    • Attenuator
  29. How long will the howler at the selected station be called for?
    until the calling station stops cranking the generator
  30. What total number of separate conversations are possible at one time on circuit MJ?
    8
  31. The AN/WTC-2(V) sound powered telephone system may contain what maximum number of terminal station?
    144
  32. The AN/WTC-2(V) sound powered telephone system uses what total number of separate major units?
    8
  33. What is the difference between terminal station unit 1 and unit 2
    • unit 1 - side crank
    • unit 2 - front crank
  34. what component is contained in unit 3 that is not in unit 1 or unit 2?
    An audible alarm
  35. Unit 4 of the AN/WTC-2(V) sound powered telephone system is what type of jackbox?
    single-gang
  36. What type of sound powered telephone headset chestset is used with unit 4?
    H-200/U
  37. What maximum number of extension visual signal devices can be connected to unit 6?
    three
  38. An extension visual signal device uses what size of incandescent lamp?
    50 watt
  39. Unit 7 is used to test which of the following components?
    terminal station selector switches and associated wiring
  40. When addtional audible signaling is required due to high noise levels, what device mounted within unit 8 provides this audible signal?
    An electrical horn
  41. The AN/WTC-2(V) system contains several nets so certain stations may operate as a string circuit during particular conditions?
    True
Author
Coreyk58
ID
359103
Card Set
VOL 1 QNA - SOUND POWERED
Description
Updated