G0A10: What is one thing that can be done if evaluation shows that a neighbor might receive more than the allowable limit of RF exposure from the main lobe of a directional antenna?

Change from horizontal polarization to vertical polarization

Change from horizontal polarization to circular polarization

Use an antenna with a higher front-to-back ratio

G0B16: When might a lead acid storage battery give off explosive hydrogen gas?

When stored for long periods of time

When being discharged

When not placed on a level surface

G1A08: Which of the following frequencies is within the General Class portion of the 20 meter phone band?

14005 kHz

14105 kHz

14405 kHz

G1B03: Which of the following is a purpose of a beacon station as identified in the FCC Rules?

Automatic identification of repeaters

Transmission of bulletins of general interest to Amateur Radio licensees

Identifying net frequencies

G1C06: Which of the following is a limitation on transmitter power on 1.8 MHz band?

200 watts PEP output

1000 watts PEP output

1200 watts PEP output

G1D05: Which of the following is sufficient for you to be an administering VE for a Technician Class operator license examination?

Notification to the FCC that you want to give an examination

Receipt of a CSCE for General Class

Possession of a properly obtained telegraphy license

G1E10: What portion of the 10 meter band is available for repeater use?

The entire band

The portion between 28.1 MHz and 28.2 MHz

The portion between 28.3 MHz and 28.5 MHz

G2A04: Which mode is most commonly used for voice communications on the 17 and 12 meter bands?

Lower sideband

Vestigial sideband

Double sideband

G2B07: Which of the following complies with good amateur practice when choosing a frequency on which to initiate a call?

Check to see if the channel is assigned to another station

Identify your station by transmitting your call sign at least 3 times

All of these choices are correct

G2C05: What is the best speed to use answering a CQ in Morse Code?

The fastest speed at which you are comfortable copying

A slow speed until contact is established

5 wpm, as all operators licensed to operate CW can copy this speed

G2D08: Why do many amateurs keep a log even though the FCC doesn't require it?

The ITU requires a log of all international contacts

The ITU requires a log of all international third party traffic

The log provides evidence of operation needed to renew a license without retest

G2E08: What segment of the 80 meter band is most commonly used for data transmissions?

3500 ' 3525 kHz

3700 ' 3750 kHz

3775 ' 3825 kHz

G3A16: What is a possible benefit to radio communications resulting from periods of high geomagnetic activity?

Higher signal strength for HF signals passing through the polar regions

Improved HF long path propagation

Reduced long delayed echoes

G3B03: Which of the following applies when selecting a frequency for lowest attenuation when transmitting on HF?

Select a frequency just above the LUF

Select a frequency just below the critical frequency

Select a frequency just above the critical frequency

G3C12: Which ionospheric layer is the most absorbent of long skip signals during daylight hours on frequencies below 10 MHz?

The F2 layer

The F1 layer

The E layer

G4A14: How should the transceiver audio input be adjusted when transmitting PSK31 data signals?

So that the transceiver is at maximum rated output power

So that the transceiver operates at no more than 25% of rated power

So that the transceiver ALC indicator shows half scale

G4B15: What type of transmitter performance does a two-tone test analyze?

Carrier and undesired sideband suppression

Percentage of frequency modulation

Percentage of carrier phase shift

G4C08: Which of the following would reduce RF interference caused by common-mode current on an audio cable?

Adding series capacitors to the conductors

Adding shunt inductors to the conductors

Adding an additional insulating jacket to the cable

G4D03: Which of the following can be the result of an incorrectly adjusted speech processor?

Distorted speech

Splatter

Excessive background pickup

G4E03: Which of the following direct, fused power connections would be the best for a 100-watt HF mobile installation?

To the alternator or generator using heavy gauge wire

To the battery using resistor wire

To the alternator or generator using resistor wire

G5A02: What is reactance?

Opposition to the flow of direct current caused by resistance

A property of ideal resistors in AC circuits

A large spark produced at switch contacts when an inductor is de-energized

G5B01: A two-times increase or decrease in power results in a change of how many dB?

Approximately 2 dB

Approximately 6 dB

Approximately 12 dB

G5C07: What is the turns ratio of a transformer used to match an audio amplifier having a 600-ohm output impedance to a speaker having a 4-ohm impedance?

24.4 to 1

150 to 1

300 to 1

G6A02: Which of the following types of capacitors are often used in power supply circuits to filter the rectified AC?

Disc ceramic

Vacuum variable

Mica

G6B05: What is the approximate junction threshold voltage of a conventional silicon diode?

0.1 volt

0.3 volts

1.0 volts

G6C17: What is the general description of a DIN type connector?

A special connector for microwave interfacing

A DC power connector rated for currents between 30 and 50 amperes

A special watertight connector for use in marine applications

G7A01: What safety feature does a power-supply bleeder resistor provide?

It acts as a fuse for excess voltage

It removes shock hazards from the induction coils

It eliminates ground-loop current

G7B10: Which of the following is a characteristic of a Class A amplifier?

Low standby power

High Efficiency

No need for bias

G7C08: What type of circuit is used in many FM receivers to convert signals coming from the IF amplifier to audio?

Product detector

Phase inverter

Mixer

G8A02: What is the name of the process that changes the phase angle of an RF wave to convey information?

Phase convolution

Angle convolution

Radian inversion

G8B11: How does forward error correction allow the receiver to correct errors in received data packets?

By controlling transmitter output power for optimum signal strength

By using the varicode character set

By using a parity bit with each character

G9A06: In what values are RF feed line losses usually expressed?

ohms per 1000 ft

dB per 1000 ft

ohms per 100 ft

G9B04: What is the low angle azimuthal radiation pattern of an ideal half-wavelength dipole antenna installed 1/2 wavelength high and parallel to the Earth?

It is a figure-eight off both ends of the antenna

It is a circle (equal radiation in all directions)

It has a pair of lobes on one side of the antenna and a single lobe on the other side

G9C15: Approximately how long is each side of a quad antenna reflector element?

Slightly less than 1/4 wavelength

Slightly less than 1/2 wavelength

Slightly more than 1/2 wavelength

G9D08: Why is a Beverage antenna not used for transmitting?

Its impedance is too low for effective matching

It has poor directivity

All of these choices are correct