Practice Exam

G4D10

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

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

G1C04

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

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

G6B11

3. What is an SMA connector?

• A. A type-S to type-M adaptor
• B. A connector designed for serial multiple access signals
• C. A type of push-on connector intended for high-voltage applications
• D. A small threaded connector suitable for signals up to several GHz

G4C09

4. How can the effects of ground loops be minimized?

• A. Connect the AC neutral conductor to the ground wire
• B. Bond equipment enclosures together
• C. Avoid using lock washers and star washers when making ground connections
• D. Connect all ground conductors in series

G6A03

5. What is the approximate forward threshold voltage of a germanium diode?

• A. 0.7 volts
• B. 1.0 volts
• C. 0.3 volts
• D. 0.1 volt

G2C01

6. Which of the following describes full break-in CW operation (QSK)?

• A. Automatic keyers, instead of hand keys, are used to send Morse code
• B. An operator must activate a manual send/receive switch before and after every transmission
• C. Transmitting stations can receive between code characters and elements
• D. Breaking stations send the Morse code prosign "BK"

G9C05

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

• A. Gain increases
• B. Front-to-back ratio decreases
• C. Resonant frequency is lower
• D. Beamwidth increases

G7C03

8. What is one reason to use an impedance matching transformer at a transmitter output?

• A. To present the desired impedance to the transmitter and feed line
• B. To reduce power supply ripple
• C. To minimize radiation resistance
• D. To minimize transmitter power output

G1E03

9. 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 interrogating transmission must be made by another automatically controlled station
• D. The station initiating the contact must be under local or remote control

G0A08

10. Which of the following steps must an amateur operator take to ensure compliance with RF safety regulations?

• A. Post a copy of FCC Part 97.13 in the station
• B. All these choices are correct
• C. Notify neighbors within a 100-foot radius of the antenna of the existence of the station and power levels
• D. Perform a routine RF exposure evaluation and prevent access to any identified high exposure areas

G2B02

11. 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. Immediately cease all transmissions
• C. Acknowledge the station in distress and determine what assistance may be needed
• D. Immediately decrease power to avoid interfering with the station in distress

G4A05

12. Why is automatic level control (ALC) used with an RF power amplifier?

• A. To balance the transmitter audio frequency response
• B. To increase overall efficiency
• C. To reduce harmonic radiation
• D. To prevent excessive drive

G3B02

13. What factors affect the MUF?

• A. Time of day and season
• B. Solar radiation and ionospheric disturbances
• C. All these choices are correct
• D. Path distance and location

G3C09

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

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

G8A05

15. What type of modulation varies the instantaneous power level of the RF signal?

• A. Phase modulation
• B. Amplitude modulation
• C. Frequency modulation
• D. Power modulation

G1B04

16. Which of the following transmissions is permitted for all amateur stations?

• A. Occasional retransmission of weather and propagation forecast information from US government stations
• B. Automatic retransmission of other amateur signals by any amateur station
• C. Unidentified transmissions of less than 10 seconds duration for test purposes only
• D. Encrypted messages, if not intended to facilitate a criminal act

G4B12

17. What effect can strong signals from nearby transmitters have on an antenna analyzer?

• A. Desensitization which can cause intermodulation products which interfere with impedance readings
• B. Generation of harmonics which interfere with frequency readings
• C. All these choices are correct
• D. Received power that interferes with SWR readings

G5C04

18. What is the approximate total resistance of a 100- and a 200-ohm resistor in parallel?

• A. 150 ohms
• B. 75 ohms
• C. 300 ohms
• D. 67 ohms

G5A09

19. What unit is used to measure reactance?

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

G4E05

20. Which of the following most limits an HF mobile installation?

• A. "Picket fencing"
• B. FCC rules limiting mobile output power on the 75-meter band
• C. The wire gauge of the DC power line to the transceiver
• D. Efficiency of the electrically short antenna

G5B07

21. What value of an AC signal produces the same power dissipation in a resistor as a DC voltage of the same value?

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

G9D07

22. Which of the following describes a log-periodic antenna?

• A. Element length and spacing vary logarithmically along the boom
• B. Gain varies logarithmically as a function of frequency
• C. Impedance varies periodically as a function of frequency
• D. SWR varies periodically as a function of boom length

G1D06

23. Until an upgrade to General class is shown in the FCC database, when must a Technician licensee identify with "AG" after their call sign?

• A. A special identifier is not required if their General class license application has been filed with the FCC
• B. Whenever they operate using Technician frequency privileges
• C. Whenever they operate on any amateur frequency
• D. Whenever they operate using General class frequency privileges

G9A09

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

• A. 1:4
• B. 4:1
• C. 2:1
• D. 1:2

G7A12

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

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

G3A08

26. How can a geomagnetic storm affect HF propagation?

• A. Improve ground wave propagation
• B. Degrade high-latitude HF propagation
• C. Degrade ground wave propagation
• D. Improve high-latitude HF propagation

G0B11

27. Which of the following is required for lightning protection ground rods?

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

G8B13

28. Which of the following is an odd-order intermodulation product of frequencies F1 and F2?

• A. All these choices are correct
• B. 2F1-F2
• C. 3F1-F2
• D. 5F1-3F2

G7B04

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

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

G1A05

30. On which of the following frequencies are General class licensees prohibited from operating as control operator?

• A. 28.000 MHz to 28.025 MHz
• B. 21.275 MHz to 21.300 MHz
• C. 7.125 MHz to 7.175 MHz
• D. All of the above

G2D06

31. 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 gray line
• C. Toward the north
• D. Toward the rising sun

G9B12

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

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

G8C10

33. How does forward error correction (FEC) allow the receiver to correct data errors?

• A. By controlling transmitter output power for optimum signal strength
• B. By using the Varicode character set
• C. By using a parity bit with each character
• D. By transmitting redundant information with the data

G2E14

34. What could be wrong if you cannot decode an RTTY or other FSK signal even though it is apparently tuned in properly?

• A. The mark and space frequencies may be reversed
• B. All these choices are correct
• C. You may be listening on the wrong sideband
• D. You may have selected the wrong baud rate

G2A12

35. What control is typically adjusted for proper ALC setting on a single sideband transceiver?

• A. RF clipping level
• B. Attenuator level
• C. Antenna inductance or capacitance
• D. Transmit audio or microphone gain