Practice Exam

G1D02

1. What license examinations may you administer when you are an accredited VE holding a General class operator license?

• A. Technician only
• B. Amateur Extra, General, and Technician
• C. General only
• D. General and Technician

G2D06

2. 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. Along the grayline
• C. Toward the north
• D. Toward the rising sun

G2B11

3. What frequency should be used to send a distress call?

• A. Whichever frequency has the best chance of communicating the distress message
• B. Only frequencies that are within your operating privileges
• C. Only frequencies used by police, fire, or emergency medical services
• D. Only frequencies authorized for RACES or ARES stations

G1C12

4. Which of the following is required by the FCC rules when operating in the 60-meter band?

• A. If you are using an antenna other than a dipole, you must keep a record of the gain of your antenna
• B. You must keep a record of all third-party traffic
• C. You must keep a record of the date, time, frequency, power level, and stations worked
• D. You must keep a record of the manufacturer of your equipment and the antenna used

G1B05

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

• A. Regular transmissions offering equipment for sale, if intended for Amateur Radio use
• B. Transmissions necessary to assist learning the International Morse code
• C. All these choices are correct
• D. Unidentified test transmissions of less than one minute in duration

G8A01

6. How is an FSK signal generated?

• A. By using a transceiver's computer data interface protocol to change frequencies
• B. By keying an FM transmitter with a sub-audible tone
• C. By reconfiguring the CW keying input to act as a tone generator
• D. By changing an oscillator's frequency directly with a digital control signal

G1E03

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

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

G9B04

8. What is the radiation pattern of a dipole antenna in free space in a plane containing the conductor?

• A. It has a pair of lobes on one side of the antenna and a single lobe on the other side
• B. It is a figure-eight at right angles to the antenna
• C. It is a circle (equal radiation in all directions)
• D. It is a figure-eight off both ends of the antenna

G4C12

9. Which of the following is an advantage of a receiver DSP IF filter as compared to an analog filter?

• A. Mixing products are greatly reduced
• B. A wide range of filter bandwidths and shapes can be created
• C. The DSP filter is much more effective at VHF frequencies
• D. Fewer digital components are required

G9D04

10. What is the primary purpose of antenna traps?

• A. To notch spurious frequencies
• B. To prevent out-of-band operation
• C. To permit multiband operation
• D. To provide balanced feed-point impedance

G4B01

11. What item of test equipment contains horizontal and vertical channel amplifiers?

• A. An ohmmeter
• B. An ammeter
• C. A signal generator
• D. An oscilloscope

G9C15

12. What is meant by the terms dBi and dBd when referring to antenna gain?

• A. dBi refers to an inverted-vee antenna, dBd refers to a downward reflecting antenna
• B. dBi refers to an isometric antenna, dBd refers to a discone antenna
• C. dBi refers to an isotropic antenna, dBd refers to a dipole antenna
• D. dBi refers to an ionospheric reflecting antenna, dBd refers to a dissipative antenna

G3C01

13. Which ionospheric layer is closest to the surface of Earth?

• A. The F2 layer
• B. The F1 layer
• C. The E layer
• D. The D layer

G8B01

14. Which mixer input is varied or tuned to convert signals of different frequencies to an intermediate frequency (IF)?

• A. Image frequency
• B. Local oscillator
• C. RF input
• D. Beat frequency oscillator

G6B09

15. Which of the following is a characteristic of a liquid crystal display?

• A. It has relatively short lifetime
• B. It offers a wide dynamic range
• C. It consumes relatively high power
• D. It utilizes ambient or back lighting

G5C01

16. What causes a voltage to appear across the secondary winding of a transformer when an AC voltage source is connected across its primary winding?

• A. Capacitive coupling
• B. Displacement current coupling
• C. Mutual inductance
• D. Mutual capacitance

G0A09

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

• A. A receiver with an S meter
• B. An oscilloscope with a high-stability crystal marker generator
• C. A calibrated field strength meter with a calibrated antenna
• D. An SWR meter with a peak-reading function

G0B11

18. Which of the following is good practice for lightning protection grounds?

• A. Bends in ground wires must be made as close as possible to a right angle
• B. Lightning grounds must be connected to all ungrounded wiring
• C. They must be bonded to all buried water and gas lines
• D. They must be bonded together with all other grounds

G1A12

19. Which of the following applies when the FCC rules designate the Amateur Service as a secondary user on a band?

• A. Amateur stations must record the call sign of the primary service station before operating on a frequency assigned to that station
• 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 can use the band only during emergencies
• D. Amateur stations can use the band only if they do not cause harmful interference to primary users

G8C14

20. Which of the following describes a waterfall display?

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

G3A12

21. What does the K-index indicate?

• A. The short-term stability of Earth's magnetic field
• B. The solar radio flux at Boulder, Colorado
• C. The relative position of sunspots on the surface of the sun
• D. The stability of the sun's magnetic field

G2E07

22. What segment of the 80-meter band is most commonly used for digital transmissions?

• A. 3570 - 3600 kHz
• B. 3500 - 3525 kHz
• C. 3775 - 3825 kHz
• D. 3700 - 3750 kHz

G2C05

23. What is the best speed to use when answering a CQ in Morse code?

• A. The fastest speed at which you are comfortable copying, but no faster than the CQ
• B. At the standard calling speed of 5 wpm
• C. The fastest speed at which you are comfortable copying, but no slower than the CQ
• D. At the standard calling speed of 10 wpm

G9A12

24. What is the interaction between high standing wave ratio (SWR) and transmission line loss?

• A. High SWR makes it difficult to measure transmission line loss
• B. High SWR reduces the relative effect of transmission line loss
• C. There is no interaction between transmission line loss and SWR
• D. If a transmission line is lossy, high SWR will increase the loss

G4D09

25. What frequency range is occupied by a 3 kHz USB signal with the displayed carrier frequency set to 14.347 MHz?

• A. 14.347 to 14.647 MHz
• B. 14.347 to 14.350 MHz
• C. 14.3455 to 14.3485 MHz
• D. 14.344 to 14.347 MHz

G4E10

26. What is the reason that a series diode is connected between a solar panel and a storage battery that is being charged by the panel?

• A. The diode serves to regulate the charging voltage to prevent overcharge
• B. The diode greatly increases the efficiency during times of high illumination
• C. The diode limits the current flowing from the panel to a safe value
• D. The diode prevents self-discharge of the battery through the panel during times of low or no illumination

G5A09

27. What unit is used to measure reactance?

• A. Ampere
• B. Siemens
• C. Farad
• D. Ohm

G3B06

28. What usually happens to radio waves with frequencies below the LUF?

• A. They are completely absorbed by the ionosphere
• B. They are bent back to Earth
• C. They pass through the ionosphere
• D. They are bent and trapped in the ionosphere to circle Earth

G7B04

29. Which of the following describes the function of a two input NOR gate?

• A. Output is high only when both inputs are high
• B. Output is low only when both inputs are high
• C. Output is low when either or both inputs are high
• D. Output is high when either or both inputs are low

G6A07

30. What are the stable operating points for a bipolar transistor used as a switch in a logic circuit?

• A. Its peak and valley current points
• B. Its active region (between the cutoff and saturation regions)
• C. Its enhancement and depletion modes
• D. Its saturation and cutoff regions

G5B06

31. What is the output PEP from a transmitter if an oscilloscope measures 200 volts peak-to-peak across a 50 ohm dummy load connected to the transmitter output?

• A. 353.5 watts
• B. 1.4 watts
• C. 400 watts
• D. 100 watts

G7A08

32. Which of the following is an advantage of a switchmode power supply as compared to a linear power supply?

• A. High-frequency operation allows the use of smaller components
• B. Fewer circuit components are required
• C. Faster switching time makes higher output voltage possible
• D. All these choices are correct

G2A01

33. Which sideband is most commonly used for voice communications on frequencies of 14 MHz or higher?

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

G4A08

34. What is the correct adjustment for the load or coupling control of a vacuum tube RF power amplifier?

• A. Minimum SWR on the antenna
• B. Highest plate voltage while minimizing grid current
• C. Minimum plate current without exceeding maximum allowable grid current
• D. Maximum power output without exceeding maximum allowable plate current

G7C07

35. What is the simplest combination of stages that implement a superheterodyne receiver?

• A. HF oscillator, prescaler, audio amplifier
• B. RF amplifier, mixer, IF discriminator
• C. RF amplifier, detector, audio amplifier
• D. HF oscillator, mixer, detector