Practice Exam

G5A10

1. Which of the following devices can be used for impedance matching at radio frequencies?

• A. All these choices are correct
• B. A length of transmission line
• C. A transformer
• D. A Pi-network

G7B07

2. 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. A frequency multiplier and a mixer
• D. An amplifier and a divider

G1D08

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

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

G1E05

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

• A. 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
• B. They must be for other licensed amateurs
• C. They must relate to amateur radio, or remarks of a personal character, or messages relating to emergencies or disaster relief
• D. They must relate to emergencies or disaster relief

G2A10

5. Which of the following statements is true of VOX operation versus PTT operation?

• A. The received signal is more natural sounding
• B. It allows "hands free" operation
• C. It provides more power output
• D. It occupies less bandwidth

G9C03

6. How do the lengths of a three-element Yagi reflector and director compare to that of the driven element?

• A. Relative length depends on the frequency of operation
• B. They are all the same length
• C. The reflector is shorter, and the director is longer
• D. The reflector is longer, and the director is shorter

G6B12

7. Which of these connector types is commonly used for low frequency or dc signal connections to a transceiver?

• A. BNC
• B. RCA Phono
• C. Type N
• D. PL-259

G7A10

8. Which symbol in figure G7-1 represents a Zener diode?

• A. Symbol 4
• B. Symbol 5
• C. Symbol 11
• D. Symbol 1

G8C16

9. Which of the following provide digital voice modes?

• A. FT8, FT4, and FST4
• B. DMR, D-STAR, and SystemFusion
• C. WSPR, MFSK16, and EasyPAL
• D. Winlink, PACTOR II, and PACTOR III

G1C09

10. What is the maximum power limit on the 60-meter band?

• A. ERP of 100 watts PEP with respect to an isotropic antenna
• B. ERP of 100 watts PEP with respect to a dipole
• C. 10 watts RMS
• D. 1500 watts PEP

G9D03

11. In which direction is the maximum radiation from a VHF/UHF "halo" antenna?

• A. Broadside to the plane of the halo
• B. Opposite the feed point
• C. On the same side as the feed point
• D. Omnidirectional in the plane of the halo

G8B02

12. What is the term for interference from a signal at twice the IF frequency from the desired signal?

• A. Image response
• B. Quadrature response
• C. Mixer interference
• D. Intermediate interference

G1B11

13. Who or what determines "good engineering and good amateur practice," as applied to the operation of an amateur station in all respects not covered by the Part 97 rules?

• A. The control operator
• B. The IEEE
• C. The FCC
• D. The ITU

G0B05

14. Which of the following conditions will cause a ground fault circuit interrupter (GFCI) to disconnect AC power?

• A. Current flowing from one or more of the hot wires directly to ground
• B. All these choices are correct
• C. Overvoltage on the hot wires
• D. Current flowing from one or more of the hot wires to the neutral wire

G3A03

15. Approximately how long does it take the increased ultraviolet and X-ray radiation from a solar flare to affect radio propagation on Earth?

• A. 1 to 2 hours
• B. 20 to 40 hours
• C. 8 minutes
• D. 28 days

G2D01

16. What is the Volunteer Monitor Program?

• A. Amateur volunteers who are formally enlisted to monitor the airwaves for rules violations
• B. Amateur volunteers who conduct frequency coordination for amateur VHF repeaters
• C. Amateur volunteers who conduct amateur licensing examinations
• D. Amateur volunteers who use their station equipment to help civil defense organizations in times of emergency

G9A05

17. How does the attenuation of coaxial cable change with increasing frequency?

• A. Attenuation increases
• B. Attenuation follows Marconi's Law of Attenuation
• C. Attenuation decreases
• D. Attenuation is independent of frequency

G2E13

18. What is another name for a Winlink Remote Message Server?

• A. Printer/Server
• B. Gateway
• C. Terminal Node Controller
• D. RJ-45

G4E07

19. Which of the following may cause receive interference to an HF transceiver installed in a vehicle?

• A. The fuel delivery system
• B. All these choices are correct
• C. The control computers
• D. The battery charging system

G4B08

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

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

G0A02

21. Which of the following is used to determine RF exposure from a transmitted signal?

• A. Its duty cycle
• B. All these choices are correct
• C. Its frequency
• D. Its power density

G3C11

22. Which ionospheric region is the most absorbent of signals below 10 MHz during daylight hours?

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

G7C14

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

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

G2C05

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

G5B13

25. What is the output PEP of an unmodulated carrier if the average power is 1060 watts?

• A. 1500 watts
• B. 530 watts
• C. 2120 watts
• D. 1060 watts

G4C08

26. Which of the following would reduce RF interference caused by common-mode current on an audio cable?

• A. Connect the center conductor to the shield of all cables to short circuit the RFI signal
• B. Place a ferrite choke on the cable
• C. Add an additional insulating jacket to the cable
• D. Ground the center conductor of the audio cable causing the interference

G4D07

27. How much must the power output of a transmitter be raised to change the S meter reading on a distant receiver from S8 to S9?

• A. Approximately 1.5 times
• B. Approximately 2 times
• C. Approximately 4 times
• D. Approximately 8 times

G3B09

28. What is the approximate maximum distance along the Earth's surface normally covered in one hop using the F2 region?

• A. 1,200 miles
• B. 180 miles
• C. 12,000 miles
• D. 2,500 miles

G4A12

29. Which of the following is a common use of the dual-VFO feature on a transceiver?

• A. To allow transmitting on two frequencies at once
• B. To transmit on one frequency and listen on another
• C. To permit full duplex operation -- that is, transmitting and receiving at the same time
• D. To improve frequency accuracy by allowing variable frequency output (VFO) operation

G5C02

30. What is the output voltage if an input signal is applied to the secondary winding of a 4:1 voltage step-down transformer instead of the primary winding?

• A. The input voltage is multiplied by 4
• B. Additional resistance must be added in series with the primary to prevent overload
• C. The input voltage is divided by 4
• D. Additional resistance must be added in parallel with the secondary to prevent overload

G2B02

31. What is the first thing you should do if you are communicating with another amateur station and hear a station in distress break in?

• A. Inform your local emergency coordinator
• B. Acknowledge the station in distress and determine what assistance may be needed
• C. Immediately decrease power to avoid interfering with the station in distress
• D. Immediately cease all transmissions

G9B12

32. What is the approximate length for a 1/4 wave monopole antenna cut for 28.5 MHz?

• A. 11 feet
• B. 21 feet
• C. 8 feet
• D. 16 feet

G1A09

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

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

G8A10

34. What is meant by the term "flat-topping," when referring to an amplitude-modulated phone signal?

• A. The transmitter's automatic level control (ALC) is properly adjusted
• B. Signal distortion caused by insufficient collector current
• C. The transmitter's carrier is properly suppressed
• D. Signal distortion caused by excessive drive or speech levels

G6A04

35. Which of the following is characteristic of an electrolytic capacitor?

• A. Tight tolerance
• B. High capacitance for a given volume
• C. Much less leakage than any other type
• D. Inexpensive RF capacitor