CDC 3D153 Rf Journeyman Volume 1, Unit 4

12 Questions | Total Attempts: 27

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3D153 Quizzes & Trivia

A journeyman is a skilled worker who has successfully completed an official apprenticeship qualification in a building trade or craft. The quiz below is a continuation of revision material for the CDC 3d153 Rf Journeyman Volume 1, Unit 4. Take it up and gauge how much you can remember from the unit. All the best!


Questions and Answers
  • 1. 
    (026) Which one of these is not an application of a radio frequency generator?
    • A. 

      Verify transmitter frequencies

    • B. 

      Troubleshooting receivers

    • C. 

      Checking antenna systems

    • D. 

      Aligning galvanometers

  • 2. 
    (027) A power reading that uses the abbreviation dBm indicates the
    • A. 

      Ratio of decibels relative to a 1-milliwatt standard

    • B. 

      Ratio of decibels relative to a 1-megawatt standard

    • C. 

      Actual power level expressed in milliwatts

    • D. 

      Actual power level expressed in megawatts

  • 3. 
    (028) The measurable frequency and power ranges of the HP 436A power meter are determined by the
    • A. 

      Digital display

    • B. 

      Power sensor

    • C. 

      Power meter

    • D. 

      Interface

  • 4. 
    (028) During what operation is the radio frequency blanking output used on the HP 436A power meter?
    • A. 

      While in WATT mode operation

    • B. 

      While in REMOTE mode operation

    • C. 

      During the automatic zeroing operation

    • D. 

      During calibration adjustment operation

  • 5. 
    (029) The two switches on the front panel of the wattmeter correspond to the
    • A. 

      Power range of the reverse element

    • B. 

      Power range of the forward element

    • C. 

      Frequency range of the reverse element

    • D. 

      Frequency range of the forward element

  • 6. 
    (029) What feature is useful for making adjustments to optimize any of the parameters which the wattmeter measures?
    • A. 

      Peaking aid

    • B. 

      Minimum reading

    • C. 

      Maximum reading

    • D. 

      Standing wave ratio

  • 7. 
    (030) Which measurement is not made with a spectrum analyzer?
    • A. 

      Frequency stability

    • B. 

      Peak-peak voltage

    • C. 

      Amplitude modulation

    • D. 

      Subcarrier oscillator outputs

  • 8. 
    (031) Which electronic counter measurement represents the average bit-to-bit time of an input signal?
    • A. 

      Period

    • B. 

      Scaling

    • C. 

      Frequency

    • D. 

      Time interval

  • 9. 
    (031) Which are the correct four classes of electronic counters?
    • A. 

      Frequency counters, time counters, microwave counters, and reciprocal counters

    • B. 

      Frequency counters, universal counters, microwave counters, and reciprocal counters

    • C. 

      Frequency counters, universal counters, period counters, and reciprocal counters

    • D. 

      Scaling counters, universal counters, microwave counters, and reciprocal counters

  • 10. 
    (032) What function is not part of the communication service monitor?
    • A. 

      Radio frequency generator

    • B. 

      Analog multimeter

    • C. 

      Oscilloscope

    • D. 

      Receiver

  • 11. 
    (033) What operational capability of the communication service monitor receives amplitude and frequency modulated signals?
    • A. 

      Scope

    • B. 

      Receiver

    • C. 

      Generator

    • D. 

      Function generator

  • 12. 
    (033) What operational capability of the communication service monitor produce sine, square, and triangle waveforms?
    • A. 

      Scope

    • B. 

      Duplex

    • C. 

      Receiver

    • D. 

      Function generator