Practice Exam

G5B07

1. Which measurement of an AC signal is equivalent to a DC voltage of the same value?

• A. The peak-to-peak value
• B. The reciprocal of the RMS value
• C. The RMS value
• D. The peak value

G2F06

2. What does the term "zero beat" mean in CW operation?

• A. Matching the frequency of the transmitting station
• B. Matching the speed of the transmitting station
• C. Operating split to avoid interference on frequency
• D. Sending without error

G8B02

3. If a receiver mixes a 13.800 MHz VFO with a 14.255 MHz received signal to produce a 455 kHz intermediate frequency (IF) signal, what type of interference will a 13.345 MHz signal produce in the receiver?

• A. Local oscillator
• B. Mixer interference
• C. Intermediate interference
• D. Image response

G6B15

4. When is it acceptable to recharge a carbon-zinc primary cell?

• A. When a constant current charger is used
• B. As long as the voltage has not been allowed to drop below 1.0 volt
• C. Never
• D. When the cell is kept warm during the recharging period

G3B08

5. What does MUF stand for?

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

G5C14

6. What component should be added to an inductor in a circuit to increase the circuit inductance?

• A. A resistor in parallel
• B. A capacitor in series
• C. An inductor in series
• D. An inductor in parallel

G9D10

7. Which of the following describes a Beverage antenna?

• A. A broad-band mobile antenna
• B. A helical antenna for space reception
• C. A very long and low receiving antenna that is highly directional
• D. A vertical antenna constructed from beverage cans

G4B16

8. Why is high input impedance desirable for a voltmeter?

• A. It decreases battery consumption in the meter
• B. It improves the frequency response
• C. It improves the resolution of the readings
• D. It decreases the loading on circuits being measured

G9A05

9. What must be done to prevent standing waves on an antenna feedline?

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

G1C11

10. What is the maximum symbol rate permitted for RTTY or data emission transmissions on the 6 and 2 meter bands?

• A. 300 baud
• B. 56 kilobaud
• C. 1200 baud
• D. 19.6 kilobaud

G9C05

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

• A. Gain increases
• B. Weight decreases
• C. Wind load decreases
• D. SWR increases

G2B06

12. What minimum frequency separation between 170 Hz shift RTTY signals should be allowed to minimize interference?

• A. Approximately 3 kHz
• B. 60 Hz
• C. 170 Hz
• D. 250 to 500 Hz

G0B10

13. Which of the following is a danger from lead-tin solder?

• A. RF energy can convert the lead into a poisonous gas
• B. Lead can contaminate food if hands are not washed carefully after handling
• C. High voltages can cause lead-tin solder to disintegrate suddenly
• D. Tin in the solder can "cold flow" causing shorts in the circuit

G4E01

14. Which of the following emission types are permissible while operating HF mobile?

• A. SSB
• B. FM
• C. All of these choices are correct
• D. CW

G3A03

15. How long does it take the increased ultraviolet and X-ray radiation from solar flares to affect radio-wave propagation on the Earth?

• A. Several hours depending on the position of the Earth in its orbit
• B. Approximately 8 minutes
• C. 20 to 40 hours after the radiation reaches the Earth
• D. 28 days

G4C11

16. Which of the following can cause unintended rectification of RF signal energy and can result in interference to your station as well as nearby radio and TV receivers?

• A. Induced voltages in conductors that are in good electrical contact
• B. Capacitive coupling of the RF signal to ground
• C. Induced currents in conductors that are in poor electrical contact
• D. Excessive standing wave ratio (SWR) of the transmission line system

G6A12

17. What is the common name for an inductor used to help smooth the DC output from the rectifier in a conventional power supply?

• A. Filter choke
• B. Back EMF choke
• C. Charging inductor
• D. Repulsion coil

G3C07

18. What makes HF scatter signals often sound distorted?

• A. Energy is scattered into the skip zone through several radio wave paths
• B. The E-region is not present
• C. The ionospheric layer involved is unstable
• D. Ground waves are absorbing much of the signal

G1B06

19. When is an amateur station permitted to transmit secret codes?

• A. During a declared communications emergency
• B. Only when the information is of a routine, personal nature
• C. Only with Special Temporary Authorization from the FCC
• D. To control a space station

G7B08

20. What determines the frequency of an RC oscillator?

• A. The value of the inductor in the tank circuit
• B. The ratio of the capacitors in the feedback loop
• C. The phase shift of the RC feedback circuit
• D. The gain of the amplifier

G5A05

21. How does a coil react to AC?

• A. As the amplitude of the applied AC increases, the reactance increases
• B. As the frequency of the applied AC increases, the reactance increases
• C. As the amplitude of the applied AC increases, the reactance decreases
• D. As the frequency of the applied AC increases, the reactance decreases

G2A08

22. Which of the following statements is true of single sideband (SSB) voice mode?

• A. It is the only voice mode authorized on the HF bands between 14 and 30 MHz
• B. It is a form of frequency modulation in which higher frequencies are emphasized
• C. It reproduces upper frequencies more efficiently than lower frequencies
• D. It is a form of amplitude modulation in which one sideband and the carrier are suppressed

G4D08

23. Which of the following connectors would be a good choice for a serial data port?

• A. Type N
• B. Type SMA
• C. DB-9
• D. PL-259

G2D10

24. What is QRP operation?

• A. Remote Piloted Model control
• B. Traffic Relay Procedure net operation
• C. Transmission using Quick Response Protocol
• D. Low power transmit operation, typically about 5 watts

G4A02

25. Which of the following instruments may be used to measure the output of a single- sideband transmitter when performing a two-tone test of amplitude linearity?

• A. An audio distortion analyzer
• B. An oscilloscope
• C. A directional wattmeter
• D. A high impedance audio voltmeter

G7A03

26. What should be the minimum peak-inverse-voltage rating of the rectifier in a full- wave power supply?

• A. Double the normal peak output voltage of the power supply
• B. Half the normal output voltage of the power supply
• C. Equal to the normal output voltage of the power supply
• D. One-quarter the normal output voltage of the power supply

G6C04

27. What is meant by the term ROM?

• A. Resistant to Overload Memory
• B. Random Operational Memory
• C. Resistor Operated Memory
• D. Read Only Memory

G8A04

28. What emission is produced by a reactance modulator connected to an RF power amplifier?

• A. Amplitude modulation
• B. Pulse modulation
• C. Phase modulation
• D. Multiplex modulation

G2E11

29. What does the abbreviation "MFSK" stand for?

• A. Manual Frequency Sideband Keying
• B. Multi (or Multiple) Frequency Sideband Keying
• C. Multi (or Multiple) Frequency Shift Keying
• D. Manual Frequency Shift Keying

G1D02

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

• A. Technician
• B. General
• C. All elements
• D. Novice

G2C08

31. When are you prohibited from helping a station in distress?

• A. When the station is not another amateur station
• B. When the station in distress offers no call sign
• C. When that station is not transmitting on amateur frequencies
• D. You are never prohibited from helping any station in distress

G9B06

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

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

G1A04

33. Which amateur band restricts communication to specific channels, using only USB voice, and prohibits all other modes, including CW and data?

• A. 30 meters
• B. 12 meters
• C. 60 meters
• D. 11 meters

G0A13

34. What precaution should be taken when installing a ground-mounted antenna?

• A. It should be painted so people or animals do not accidentally run into it
• B. It should be installed so no one can be exposed to RF radiation in excess of maximum permissible limits
• C. It should not be installed in a wet area
• D. It should not be installed higher than you can reach

G1E01

35. Which of the following would disqualify a third party from participating in stating a message over an amateur station?

• A. The third party is speaking in a language other than English, French, or Spanish
• B. The third party is not a U.S. citizen
• C. The third party is a person previously licensed in the amateur service whose license had been revoked
• D. The third party is a licensed amateur