Practice Exam

G5A01

1. What happens when inductive and capacitive reactance are equal in a series LC circuit?

• A. Resonance causes impedance to be very high
• B. Impedance is equal to the geometric mean of the inductance and capacitance
• C. Impedance is equal to the arithmetic mean of the inductance and capacitance
• D. Resonance causes impedance to be very low

G2A02

2. Which mode is most commonly used for voice communications on the 160-, 75-, and 40-meter bands?

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

G4A10

3. What is the function of an electronic keyer?

• A. Computer interface for PSK and RTTY operation
• B. To allow time for switching the antenna from the receiver to the transmitter
• C. Automatic generation of dots and dashes for CW operation
• D. Automatic transmit/receive switching

G3C09

4. What type of propagation allows signals to be heard in the transmitting station's skip zone?

• A. Short-path
• B. Chordal hop
• C. Faraday rotation
• D. Scatter

G1A06

5. Which of the following applies when the FCC rules designate the amateur service as a secondary user on a band?

• A. Amateur stations may use the band only during emergencies
• B. Amateur stations may only operate during specific hours of the day, while primary users are permitted 24-hour use of the band
• C. Amateur stations must record the call sign of the primary service station before operating on a frequency assigned to that station
• D. Amateur stations must not cause harmful interference to primary users and must accept interference from primary users

G7A13

6. Which symbol in Figure G7-1 represents a tapped inductor?

• A. Symbol 7
• B. Symbol 11
• C. Symbol 6
• D. Symbol 1

G1E03

7. What is required to conduct communications with a digital station operating under automatic control outside the automatic control band segments?

• A. The control operator of the interrogating station must hold an Amateur Extra class license
• B. No third-party traffic may be transmitted
• C. The station initiating the contact must be under local or remote control
• D. The interrogating transmission must be made by another automatically controlled station

G4C03

8. What sound is heard from an audio device experiencing RF interference from a single sideband phone transmitter?

• A. On-and-off humming or clicking
• B. A steady hum whenever the transmitter is on the air
• C. Distorted speech
• D. Clearly audible speech

G9B08

9. How does the feed point impedance of a 1/2 wave dipole change as the feed point is moved from the center toward the ends?

• A. It steadily decreases
• B. It is unaffected by the location of the feed point
• C. It peaks at about 1/8 wavelength from the end
• D. It steadily increases

G2C11

10. What does the Q signal "QRV" mean?

• A. I am quitting for the day
• B. You are sending too fast
• C. I am ready to receive
• D. There is interference on the frequency

G9C02

11. What is the approximate length of the driven element of a Yagi antenna?

• A. 1/2 wavelength
• B. 1/4 wavelength
• C. 1 wavelength
• D. 3/4 wavelength

G0A10

12. What should be done if evaluation shows that a neighbor might experience more than the allowable limit of RF exposure from the main lobe of a directional antenna?

• A. Use an antenna with a higher front-to-back ratio
• B. All these choices are correct
• C. Change to a non-polarized antenna with higher gain
• D. Take precautions to ensure that the antenna cannot be pointed in their direction when they are present

G6B04

13. What is a typical upper frequency limit for low SWR operation of 50-ohm BNC connectors?

• A. 40 GHz
• B. 50 MHz
• C. 4 GHz
• D. 500 MHz

G1C05

14. What is the limit for transmitter power on the 28 MHz band for a General Class control operator?

• A. 1500 watts PEP output
• B. 100 watts PEP output
• C. 2000 watts PEP output
• D. 1000 watts PEP output

G7C14

15. The bandwidth of a band-pass filter is measured between what two frequencies?

• A. Cutoff and rolloff
• B. Pole and zero
• C. Upper and lower half-power
• D. Image and harmonic

G3B04

16. Which of the following is a way to determine current propagation on a desired band from your station?

• A. Use a network of automated receiving stations on the internet to see where your transmissions are being received
• B. All these choices are correct
• C. Send a series of dots and listen for echoes
• D. Check the A-index

G2B07

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

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

G2E11

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

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

G0B06

19. Which of the following is covered by the National Electrical Code?

• A. Acceptable bandwidth limits
• B. Acceptable modulation limits
• C. RF exposure limits of the human body
• D. Electrical safety of the station

G3A07

20. At what point in the solar cycle does the 20-meter band usually support worldwide propagation during daylight hours?

• A. At any point
• B. At the summer solstice
• C. Only at the minimum point
• D. Only at the maximum point

G5C11

21. What is the inductance of a circuit with a 20-millihenry inductor connected in series with a 50-millihenry inductor?

• A. 70 millihenries
• B. 1,000 millihenries
• C. 7 millihenries
• D. 14.3 millihenries

G9D02

22. What is the feed point impedance of an end-fed half-wave antenna?

• A. Approximately 300 ohms
• B. Very low
• C. Approximately 50 ohms
• D. Very high

G8B11

23. What combination of a mixer's Local Oscillator (LO) and RF input frequencies is found in the output?

• A. The arithmetic product
• B. The sum and difference
• C. The ratio
• D. The average

G4D11

24. How close to the upper edge of a band's phone segment should your displayed carrier frequency be when using 3 kHz wide USB?

• A. At least 1 kHz below the edge of the segment
• B. At least 3 kHz below the edge of the band
• C. At least 3 kHz above the edge of the band
• D. At least 1 kHz above the edge of the segment

G4E01

25. What is the purpose of a capacitance hat on a mobile antenna?

• A. To electrically lengthen a physically short antenna
• B. To lower the radiation angle
• C. To reduce radiation resistance
• D. To increase the power handling capacity of a whip antenna

G7B10

26. Which of the following describes a linear amplifier?

• A. An amplifier in which the output preserves the input waveform
• B. An amplifier used as a frequency multiplier
• C. Any RF power amplifier used in conjunction with an amateur transceiver
• D. A Class C high efficiency amplifier

G6A11

27. What happens when an inductor is operated above its self-resonant frequency?

• A. It becomes capacitive
• B. Its reactance increases
• C. Catastrophic failure is likely
• D. Harmonics are generated

G1B10

28. What is the power limit for beacon stations?

• A. 200 watts PEP output
• B. 100 watts PEP output
• C. 20 watts PEP output
• D. 10 watts PEP output

G4B11

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

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

G9A10

30. What standing wave ratio results from connecting a 50-ohm feed line to a 10-ohm resistive load?

• A. 2:1
• B. 1:2
• C. 1:5
• D. 5:1

G1D08

31. Which of the following criteria must be met for a non-US citizen to be an accredited Volunteer Examiner?

• A. The person must hold an FCC granted amateur radio license of General class or above
• B. The person's home citizenship must be in ITU region 2
• C. The person must be a resident of the US for a minimum of 5 years
• D. None of these choices is correct; a non-US citizen cannot be a Volunteer Examiner

G8A12

32. What is QPSK modulation?

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

G2D10

33. What is QRP operation?

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

G5B04

34. How many watts of electrical power are consumed by a 12 VDC light bulb that draws 0.2 amperes?

• A. 60 watts
• B. 2.4 watts
• C. 6 watts
• D. 24 watts

G8C11

35. How are the two separate frequencies of a Frequency Shift Keyed (FSK) signal identified?

• A. On and off
• B. Dot and dash
• C. High and low
• D. Mark and space