Practice Exam

G5A11

1. What letter is used to represent reactance?

• A. Y
• B. Z
• C. X
• D. B

G8A14

2. What is link margin?

• A. The difference between received power level and minimum required signal level at the input to the receiver
• B. Transmit power minus receiver sensitivity
• C. The opposite of fade margin
• D. Receiver sensitivity plus 3 dB

G4C10

3. What could be a symptom caused by a ground loop in your station's audio connections?

• A. The SWR reading for one or more antennas is suddenly very high
• B. An item of station equipment starts to draw excessive amounts of current
• C. You receive reports of harmonic interference from your station
• D. You receive reports of "hum" on your station's transmitted signal

G5B09

4. What is the RMS voltage of a sine wave with a value of 17 volts peak?

• A. 24 volts
• B. 34 volts
• C. 8.5 volts
• D. 12 volts

G9B01

5. What is a characteristic of a random-wire HF antenna connected directly to the transmitter?

• A. It produces only vertically polarized radiation
• B. It is more effective on the lower HF bands than on the higher bands
• C. It must be longer than 1 wavelength
• D. Station equipment may carry significant RF current

G2C09

6. What does the Q signal "QSL" mean?

• A. Send slower
• B. We have worked before
• C. I have received and understood
• D. We have already confirmed the contact

G2B07

7. Which of the following complies with commonly accepted amateur practice when choosing a frequency on which to initiate a call?

• A. Identify your station by transmitting your call sign at least 3 times
• B. Listen on the frequency for at least two minutes to be sure it is clear
• C. Follow the voluntary band plan
• D. All these choices are correct

G4B08

8. What transmitter performance parameter does a two-tone test analyze?

• A. Percentage of carrier phase shift
• B. Percentage of frequency modulation
• C. Percentage of suppression of the carrier and undesired sideband for SSB
• D. Linearity

G0B08

9. What should be done before climbing a tower that supports electrically powered devices?

• A. All these choices are correct
• B. Notify the electric company that a person will be working on the tower
• C. Unground the base of the tower
• D. Make sure all circuits that supply power to the tower are locked out and tagged

G7B07

10. Which of the following are basic components of a sine wave oscillator?

• A. A filter and an amplifier operating in a feedback loop
• B. A circulator and a filter operating in a feed-forward loop
• C. An amplifier and a divider
• D. A frequency multiplier and a mixer

G9D12

11. What is the common name of a dipole with a single central support?

• A. Inverted L
• B. Lazy H
• C. Sloper
• D. Inverted V

G1B03

12. Which of the following is a purpose of a beacon station as identified in the FCC rules?

• A. Transmission of bulletins of general interest to amateur radio licensees
• B. Automatic identification of repeaters
• C. All these choices are correct
• D. Observation of propagation and reception

G9C05

13. What is the primary effect of increasing boom length and adding directors to a Yagi antenna?

• A. Front-to-back ratio decreases
• B. Resonant frequency is lower
• C. Gain increases
• D. Beamwidth increases

G2A06

14. Which of the following is an advantage of using single sideband, as compared to other analog voice modes on the HF amateur bands?

• A. Ease of tuning on receive and immunity to impulse noise
• B. Very high-fidelity voice modulation
• C. Less bandwidth used and greater power efficiency
• D. Less subject to interference from atmospheric static crashes

G5C08

15. What is the equivalent capacitance of two 5.0-nanofarad capacitors and one 750-picofarad capacitor connected in parallel?

• A. 1,733 picofarads
• B. 576.9 nanofarads
• C. 10.750 nanofarads
• D. 3,583 picofarads

G4D08

16. What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz?

• A. 7.175 MHz to 7.178 MHz
• B. 7.1765 MHz to 7.1795 MHz
• C. 7.178 MHz to 7.184 MHz
• D. 7.178 MHz to 7.181 MHz

G3C05

17. Why is long-distance communication on the 40-, 60-, 80-, and 160-meter bands more difficult during the day?

• A. The E region is unstable during daylight hours
• B. The F region absorbs signals at these frequencies during daylight hours
• C. The D region absorbs signals at these frequencies during daylight hours
• D. The F region is unstable during daylight hours

G2E11

18. What is the primary purpose of an Amateur Radio Emergency Data Network (AREDN) mesh network?

• A. To provide high-speed data services during an emergency or community event
• B. To provide FM repeater coverage in remote areas
• C. To provide real time propagation data by monitoring amateur radio transmissions worldwide
• D. To provide DX spotting reports to aid contesters and DXers

G8B08

19. Why is it important to know the duty cycle of the mode you are using when transmitting?

• A. Some modes have high duty cycles that could exceed the transmitter's average power rating
• B. To prevent overmodulation
• C. To aid in tuning your transmitter
• D. To allow time for the other station to break in during a transmission

G1E11

20. On what bands may automatically controlled stations transmitting RTTY or data emissions communicate with other automatically controlled digital stations?

• A. Anywhere in the non-phone segments of the 10-meter or shorter wavelength bands
• B. Only in the non-phone Extra Class segments of the bands
• C. Anywhere in the 6-meter or shorter wavelength bands, and in limited segments of some of the HF bands
• D. On any band segment where digital operation is permitted

G0A12

21. What stations are subject to the FCC rules on RF exposure?

• A. All commercial stations; amateur radio stations are exempt
• B. Only stations with antennas lower than one wavelength above the ground
• C. All stations with a time-averaged transmission of more than one milliwatt
• D. Only stations transmitting more than 500 watts PEP

G4E09

22. What is the approximate open-circuit voltage from a fully illuminated silicon photovoltaic cell?

• A. 0.5 VDC
• B. 0.02 VDC
• C. 1.38 VDC
• D. 0.2 VDC

G7C13

23. What term specifies a filter's maximum ability to reject signals outside its passband?

• A. Rolloff
• B. Ultimate rejection
• C. Insertion loss
• D. Notch depth

G4A07

24. What happens as a receiver's noise reduction control level is increased?

• A. CW signals may become severely attenuated
• B. Received frequency may become unstable
• C. Received signals may become distorted
• D. Received frequency may shift several kHz

G1C11

25. What measurement is specified by FCC rules that regulate maximum power?

• A. PEP output from the transmitter
• B. PEP input to the antenna
• C. RMS output from the transmitter
• D. RMS input to the antenna

G1A09

26. Which of the following frequencies is within the General class portion of the 15-meter band?

• A. 14250 kHz
• B. 18155 kHz
• C. 24900 kHz
• D. 21300 kHz

G9A07

27. What must be done to prevent standing waves on a feed line connected to an antenna?

• A. The antenna feed point must be at DC ground potential
• B. The feed line must be an odd number of electrical quarter wavelengths long
• C. The antenna feed point impedance must be matched to the characteristic impedance of the feed line
• D. The feed line must be an even number of physical half wavelengths long

G6A09

28. Which of the following describes MOSFET construction?

• A. The source is separated from the drain by a thin insulating layer
• B. The gate is formed by a back-biased junction
• C. The gate is separated from the channel by a thin insulating layer
• D. The source is formed by depositing metal on silicon

G3A14

29. How is long distance radio communication usually affected by the charged particles that reach Earth from solar coronal holes?

• A. VHF/UHF ducting is improved
• B. HF communication is improved
• C. VHF/UHF ducting is disturbed
• D. HF communication is disturbed

G3B11

30. What happens to HF propagation when the LUF exceeds the MUF?

• A. Double-hop propagation along the path is more common
• B. HF communications over the path are enhanced
• C. Propagation over the path on all HF frequencies is enhanced
• D. Propagation via ordinary skywave communications is not possible over that path

G2D10

31. What is QRP operation?

• A. Traffic relay procedure net operation
• B. Low-power transmit operation
• C. Transmission using Quick Response Protocol
• D. Remote piloted model control

G6B08

32. How is an LED biased when emitting light?

• A. In the tunnel-effect region
• B. At the Zener voltage
• C. Reverse biased
• D. Forward biased

G7A02

33. Which of the following components are used in a power supply filter network?

• A. Transformers and transducers
• B. Diodes
• C. All these choices are correct
• D. Capacitors and inductors

G8C14

34. Which of the following describes a waterfall display?

• A. Frequency is vertical, signal strength is horizontal, time is intensity
• B. Frequency is horizontal, signal strength is vertical, time is intensity
• C. Frequency is vertical, signal strength is intensity, time is horizontal
• D. Frequency is horizontal, signal strength is intensity, time is vertical

G1D09

35. How long is a Certificate of Successful Completion of Examination (CSCE) valid for exam element credit?

• A. 365 days
• B. For as long as your current license is valid
• C. 30 days
• D. 180 days