Practice Exam

G1B05

1. Which of the following one-way transmissions are permitted?

• A. All these choices are correct
• B. Regular transmissions offering equipment for sale, if intended for amateur radio use
• C. Unidentified test transmissions of less than 10 seconds in duration
• D. Transmissions to assist with learning the International Morse code

G1C11

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

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

G3B08

3. What does MUF stand for?

• A. The Maximum Usable Frequency during a 24-hour period
• B. The Maximum Usable Frequency for communications between two points
• C. The Minimum Usable Frequency for communications between two points
• D. The Minimum Usable Frequency during a 24-hour period

G6B01

4. What determines the performance of a ferrite core at different frequencies?

• A. Its conductivity
• B. The ratio of outer diameter to inner diameter
• C. Its thickness
• D. The composition, or "mix," of materials used

G3C03

5. Why is skip propagation via the F2 region longer than that via the other ionospheric regions?

• A. Because of temperature inversions
• B. Because it is the densest
• C. Because of the Doppler effect
• D. Because it is the highest

G5B11

6. What is the ratio of PEP to average power for an unmodulated carrier?

• A. 0.707
• B. 1.00
• C. 1.414
• D. 2.00

G9C09

7. In free space, how does the gain of two three-element, horizontally polarized Yagi antennas spaced vertically 1/2 wavelength apart typically compare to the gain of a single three-element Yagi?

• A. Approximately 9 dB higher
• B. Approximately 3 dB higher
• C. Approximately 1.5 dB higher
• D. Approximately 6 dB higher

G4A09

8. What is the purpose of delaying RF output after activating a transmitter's keying line to an external amplifier?

• A. To allow time for the amplifier power supply to reach operating level
• B. To prevent key clicks on CW
• C. To allow time for the amplifier to switch the antenna between the transceiver and the amplifier output
• D. To prevent transient overmodulation

G7C08

9. Which parameter affects receiver sensitivity?

• A. Input amplifier noise figure
• B. Input amplifier gain
• C. Demodulator stage bandwidth
• D. All these choices are correct

G2A03

10. Which mode is most commonly used for SSB voice communications in the VHF and UHF bands?

• A. Suppressed sideband
• B. Lower sideband
• C. Upper sideband
• D. Double sideband

G8A12

11. What is QPSK modulation?

• A. Modulation using quadra-pole sideband keying to generate spread spectrum signals
• B. Modulation using Fast Fourier Transforms to generate frequencies at the first, second, third, and fourth harmonics of the carrier frequency to improve noise immunity
• C. Modulation in which digital data is transmitted using 0-, 90-, 180- and 270-degrees phase shift to represent pairs of bits
• D. Modulation using quasi-parallel to serial conversion to reduce bandwidth

G7A12

12. Which symbol in Figure G7-1 represents a solid core transformer?

• A. Symbol 6
• B. Symbol 7
• C. Symbol 1
• D. Symbol 4

G4E11

13. What precaution should be taken when connecting a solar panel to a lithium iron phosphate battery?

• A. Ensure the battery is placed terminals-up
• B. The solar panel must have a charge controller
• C. A series resistor must be in place
• D. Ground the solar panel outer metal framework

G9D05

14. What is an advantage of vertically stacking horizontally polarized Yagi antennas?

• A. It allows simultaneous vertical and horizontal polarization
• B. It allows quick selection of vertical or horizontal polarization
• C. It narrows the main lobe in azimuth
• D. It narrows the main lobe in elevation

G2C08

15. What prosign is sent to indicate the end of a formal message when using CW?

• A. KN
• B. SK
• C. BK
• D. AR

G6A06

16. Why should wire-wound resistors not be used in RF circuits?

• A. The resistor's inductance could make circuit performance unpredictable
• B. The resistor's internal capacitance would detune the circuit
• C. The resistor's tolerance value would not be adequate
• D. The resistor could overheat

G2B03

17. What is good amateur practice if propagation changes during a contact creating interference from other stations using the frequency?

• A. Advise the interfering stations that you are on the frequency and that you have priority
• B. Decrease power and continue to transmit
• C. Switch to the opposite sideband
• D. Attempt to resolve the interference problem with the other stations in a mutually acceptable manner

G5A08

18. What is impedance?

• A. The ratio of voltage to current
• B. The product of current and reactance
• C. The ratio of current to voltage
• D. The product of current and voltage

G4D05

19. How does a signal that reads 20 dB over S9 compare to one that reads S9 on a receiver, assuming a properly calibrated S meter?

• A. It is 20 times less powerful
• B. It is 10 times less powerful
• C. It is 100 times more powerful
• D. It is 20 times more powerful

G0B03

20. Which size of fuse or circuit breaker would be appropriate to use with a circuit that uses AWG number 14 wiring?

• A. 20 amperes
• B. 30 amperes
• C. 25 amperes
• D. 15 amperes

G0A09

21. What type of instrument can be used to accurately measure an RF field strength?

• A. An SWR meter with a peak-reading function
• B. A receiver with digital signal processing (DSP) noise reduction
• C. An oscilloscope with a high-stability crystal marker generator
• D. A calibrated field strength meter with a calibrated antenna

G9A09

22. What standing wave ratio results from connecting a 50-ohm feed line to a 200-ohm resistive load?

• A. 4:1
• B. 2:1
• C. 1:4
• D. 1:2

G8B10

23. What is the relationship between transmitted symbol rate and bandwidth?

• A. Bandwidth is half the symbol rate
• B. Symbol rate and bandwidth are not related
• C. Lower symbol rates require wider bandwidth
• D. Higher symbol rates require wider bandwidth

G4C07

24. Why should soldered joints not be used in lightning protection ground connections?

• A. A soldered joint will likely be destroyed by the heat of a lightning strike
• B. Solder has too high a dielectric constant to provide adequate lightning protection
• C. All these choices are correct
• D. Solder flux will prevent a low conductivity connection

G4B11

25. Which of the following must be connected to an antenna analyzer when it is being used for SWR measurements?

• A. Transmitter
• B. All these choices are correct
• C. Antenna and feed line
• D. Receiver

G1D11

26. What action is required to obtain a new General class license after a previously held license has expired and the two-year grace period has passed?

• A. Contact the FCC to have the license reinstated
• B. They must have a letter from the FCC showing they once held an amateur or commercial license
• C. There are no requirements other than being able to show a copy of the expired license
• D. The applicant must show proof of the appropriate expired license grant and pass the current Element 2 exam

G5C05

27. Why is the primary winding wire of a voltage step-up transformer usually a larger size than that of the secondary winding?

• A. To prevent parasitic oscillations due to resistive losses in the primary
• B. To accommodate the higher current of the primary
• C. To ensure that the volume of the primary winding is equal to the volume of the secondary winding
• D. To improve the coupling between the primary and secondary

G9B06

28. Where should the radial wires of a ground-mounted vertical antenna system be placed?

• A. Parallel to the antenna element
• B. On the surface or buried a few inches below the ground
• C. At the center of the antenna
• D. As high as possible above the ground

G3A10

29. What causes HF propagation conditions to vary periodically in a 26- to 28-day cycle?

• A. Rotation of the Sun's surface layers around its axis
• B. Long term oscillations in the upper atmosphere
• C. The position of the Moon in its orbit
• D. Cyclic variation in Earth's radiation belts

G7B04

30. In a Class A amplifier, what percentage of the time does the amplifying device conduct?

• A. 100%
• B. Less than 50%
• C. More than 50% but less than 100%
• D. 50%

G1A01

31. On which HF and/or MF amateur bands are there portions where General class licensees cannot transmit?

• A. 160 meters, 60 meters, 15 meters, and 12 meters
• B. 80 meters, 40 meters, 20 meters, and 15 meters
• C. 80 meters, 20 meters, 15 meters, and 10 meters
• D. 60 meters, 30 meters, 17 meters, and 12 meters

G1E05

32. What are the restrictions on messages sent to a third party in a country with which there is a Third-Party Agreement?

• A. They must relate to emergencies or disaster relief
• B. The message must be limited to no longer than 1 minute in duration and the name of the third party must be recorded in the station log
• C. They must relate to amateur radio, or remarks of a personal character, or messages relating to emergencies or disaster relief
• D. They must be for other licensed amateurs

G2D06

33. How is a directional antenna pointed when making a "long-path" contact with another station?

• A. 180 degrees from the station's short-path heading
• B. Toward the north
• C. Along the gray line
• D. Toward the rising sun

G8C06

34. What action results from a failure to exchange information due to excessive transmission attempts when using an ARQ mode?

• A. The checksum overflows
• B. The connection is dropped
• C. Encoding reverts to the default character set
• D. Packets will be routed incorrectly

G2E08

35. In what segment of the 20-meter band are most digital mode operations commonly found?

• A. In the middle of the CW segment, near 14.100 MHz
• B. At the bottom of the slow-scan TV segment, near 14.230 MHz
• C. Between 14.070 MHz and 14.100 MHz
• D. At the top of the SSB phone segment, near 14.325 MHz