G0A07: What effect does transmitter duty cycle have when evaluating RF exposure?

A higher transmitter duty cycle permits greater short-term exposure levels

Low duty cycle transmitters are exempt from RF exposure evaluation requirements

High duty cycle transmitters are exempt from RF exposure requirements

G0B08: What should be done by any person preparing to climb a tower that supports electrically powered devices?

Notify the electric company that a person will be working on the tower

Unground the base of the tower

All of these choices are correct

G1A04: Which of the following amateur bands is restricted to communication on only specific channels, rather than frequency ranges?

11 meters

12 meters

30 meters

G1B12: 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?

The Control Operator

The IEEE

The ITU

G1C01: What is the maximum transmitting power an amateur station may use on 10.140 MHz?

1000 watts PEP output

1500 watts PEP output

2000 watts PEP output

G1D07: Volunteer Examiners are accredited by what organization?

The Federal Communications Commission

The Universal Licensing System

The Wireless Telecommunications Bureau

G1E05: What types of messages for a third party in another country may be transmitted by an amateur station?

Any message, as long as the amateur operator is not paid

Only messages for other licensed amateurs

Any messages, as long as the text of the message is recorded in the station log

G2A10: Which of the following statements is true of SSB VOX operation?

The received signal is more natural sounding

Frequency spectrum is conserved

Provides more power output

G2B06: What is a practical way to avoid harmful interference when selecting a frequency to call CQ on CW or phone?

Listen for 2 minutes before calling CQ

Send the letter "V" in Morse code several times and listen for a response

Send 'QSY' on CW or if using phone, announce 'the frequency is in use', then send your call and listen for a response

G2C10: What does the Q signal "QRQ" mean?

Slow down

Zero beat my signal

Quitting operation

G2D05: When is it permissible to communicate with amateur stations in countries outside the areas administered by the Federal Communications Commission?

Only when the foreign country has a formal third party agreement filed with the FCC

When the contact is with amateurs in any country as long as the communication is conducted in English

Only when the foreign country is a member of the International Amateur Radio Union

G2E13: In the PACTOR protocol, what is meant by an NAK response to a transmitted packet?

The receiver is reporting the packet was received without error

The receiver is busy decoding the packet

The entire file has been received correctly

G3A06: What is a geomagnetic storm?

A sudden drop in the solar-flux index

A thunderstorm which affects radio propagation

Ripples in the ionosphere

G3B09: What is the approximate maximum distance along the Earth's surface that is normally covered in one hop using the F2 region?

180 miles

1,200 miles

12,000 miles

G3C03: Why is the F2 region mainly responsible for the longest distance radio wave propagation?

Because it is the densest ionospheric layer

Because it does not absorb radio waves as much as other ionospheric regions

All of these choices are correct

G4A05: What is a purpose of using Automatic Level Control (ALC) with a RF power amplifier?

To balance the transmitter audio frequency response

To reduce harmonic radiation

To increase overall efficiency

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

G4C02: Which of the following could be a cause of interference covering a wide range of frequencies?

Not using a balun or line isolator to feed balanced antennas

Lack of rectification of the transmitter's signal in power conductors

The use of horizontal rather than vertical antennas

G4D05: How does an S meter reading of 20 dB over S-9 compare to an S-9 signal, assuming a properly calibrated S meter?

It is 10 times weaker

It is 20 times weaker

It is 20 times stronger

G4E04: Why is it best NOT to draw the DC power for a 100-watt HF transceiver from an automobile's auxiliary power socket?

The socket is not wired with an RF-shielded power cable

The DC polarity of the socket is reversed from the polarity of modern HF

Drawing more than 50 watts from this socket could cause the engine to overheat

G5A05: How does an inductor react to AC?

As the frequency of the applied AC increases, the reactance decreases

As the amplitude of the applied AC increases, the reactance increases

As the amplitude of the applied AC increases, the reactance decreases

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

G5C12: What is the capacitance of a 20 microfarad capacitor in series with a 50 microfarad capacitor?

.07 microfarads

70 microfarads

1000 microfarads

G6A01: Which of the following is an important characteristic for capacitors used to filter the DC output of a switching power supply?

High equivalent series resistance

Low Temperature coefficient

High Temperature coefficient

G6B14: What is the minimum allowable discharge voltage for maximum life of a standard 12 volt lead acid battery?

6 volts

8.5 volts

12 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

G7A11: Which symbol in figure G7-1 represents an NPN junction transistor?

Symbol 1

Symbol 7

Symbol 11

G7B13: What is the reason for neutralizing the final amplifier stage of a transmitter?

To limit the modulation index

To cut off the final amplifier during standby periods

To keep the carrier on frequency

G7C02: Which circuit is used to combine signals from the carrier oscillator and speech amplifier and send the result to the filter in a typical single-sideband phone transmitter?

Discriminator

Detector

IF amplifier

G8A11: What happens to the RF carrier signal when a modulating audio signal is applied to an FM transmitter?

The carrier frequency changes proportionally to the amplitude and frequency of the modulating signal

The carrier amplitude changes proportionally to the instantaneous frequency of the modulating signal

The carrier phase changes proportionally to the instantaneous amplitude of the modulating signal

G8B10: What does the number 31 represent in PSK31?

The version of the PSK protocol

The year in which PSK31 was invented

The number of characters that can be represented by PSK31

G9A09: What standing wave ratio will result from the connection of a 50-ohm feed line to a non-reactive load having a 200-ohm impedance?

1:4

2:1

1:2

G9B03: What happens to the feed-point impedance of a ground-plane antenna when its radials are changed from horizontal to downward-sloping?

It decreases

It stays the same

It reaches a maximum at an angle of 45 degrees

G9C14: How does the forward gain of a two-element quad antenna compare to the forward gain of a three-element Yagi antenna?

About 2/3 as much

About 1.5 times as much

About twice as much

G9D06: Which of the following is an advantage of a log periodic antenna?

Higher gain per element than a Yagi antenna

Harmonic suppression

Polarization diversity