CDC 3D153 Rf Journeyman Volume 1, Unit 4
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!
- 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
Questions: 37 | Attempts: 440 | Last updated: Jan 29, 2013
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Sample Question(221) Any military action involving the use of the electromagnetic (EM) spectrum to include directed energy to attack an enemy is called?
Questions: 101 | Attempts: 101 | Last updated: Jul 11, 2020
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Sample QuestionWhich US government agency divides the radio frequency spectrum into different bands?
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