G0A09: What type of instrument can be used to accurately measure an RF field?

A receiver with an S meter

A betascope with a dummy antenna calibrated at 50 ohms

An oscilloscope with a high-stability crystal marker generator

G0B01: Which wire or wires in a four-conductor line cord should be attached to fuses or circuit breakers in a device operated from a 240-VAC single-phase source?

Only the neutral wire

Only the ground wire

All wires

G1A12: When General Class licensees are not permitted to use the entire voice portion of a particular band, which portion of the voice segment is generally available to them?

The lower frequency end

The lower frequency end on frequencies below 7.3 MHz and the upper end on frequencies above 14.150 MHz

The upper frequency end on frequencies below 7.3 MHz and the lower end on frequencies above 14.150 MHz

G1B01: What is the maximum height above ground to which an antenna structure may be erected without requiring notification to the FAA and registration with the FCC, provided it is not at or near a public use airport?

50 feet

100 feet

300 feet

G1C07: What is the maximum symbol rate permitted for RTTY or data emission transmission on the 20 meter band?

56 kilobaud

19.6 kilobaud

1200 baud

G1D10: What is the minimum age that one must be to qualify as an accredited Volunteer Examiner?

12 years

21 years

There is no age limit

G1E03: In what ITU region is operation in the 7.175 to 7.300 MHz band permitted for a control operator holding an FCC-issued General Class license?

Region 1

Region 3

All three regions

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

Lower sideband

Vestigial sideband

Double sideband

G2B04: When selecting a CW transmitting frequency, what minimum frequency separation should you allow in order to minimize interference to stations on adjacent frequencies?

5 to 50 Hz

1 to 3 kHz

3 to 6 kHz

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

Slow down

Zero beat my signal

Quitting operation

G2D10: What is QRP operation?

Remote piloted model control

Transmission using Quick Response Protocol

Traffic relay procedure net operation

G2E04: What segment of the 20 meter band is most often used for data transmissions?

14.000 - 14.050 MHz

14.150 - 14.225 MHz

14.275 - 14.350 MHz

G3A09: What effect do high sunspot numbers have on radio communications?

High-frequency radio signals become weak and distorted

Frequencies above 300 MHz become usable for long-distance communication

Microwave communications become unstable

G3B06: What usually happens to radio waves with frequencies below the Lowest Usable Frequency (LUF)?

They are bent back to the Earth

They pass through the ionosphere

They are bent and trapped in the ionosphere to circle the Earth

G3C05: Why is long distance communication on the 40, 60, 80 and 160 meter bands more difficult during the day?

The F layer absorbs signals at these frequencies during daylight hours

The F layer is unstable during daylight hours

The E layer is unstable during daylight hours

G4A09: Why is a time delay sometimes included in a transmitter keying circuit?

To prevent stations from talking over each other

To allow the transmitter power regulators to charge properly

To allow time for a warning signal to be sent to other stations

G4B01: What item of test equipment contains horizontal and vertical channel amplifiers?

An ohmmeter

A signal generator

An ammeter

G4C05: What might be the problem if you receive an RF burn when touching your equipment while transmitting on an HF band, assuming the equipment is connected to a ground rod?

Flat braid rather than round wire has been used for the ground wire

Insulated wire has been used for the ground wire

The ground rod is resonant

G4D11: How close to the upper edge of the 20 meter General Class band should your displayed carrier frequency be when using 3 kHz wide'USB?

3 kHz above the edge of the band

Your displayed carrier frequency may be set at the edge of the band

Center your signal on the edge of the band

G4E08: What is the name of the process by which sunlight is changed directly into electricity?

Photon emission

Photosynthesis

Photon decomposition

G5A03: Which of the following causes opposition to the flow of alternating current in an inductor?

Conductance

Reluctance

Admittance

G5B11: What is the ratio of peak envelope power to average power for an unmodulated carrier?

.707

1.414

2.00

G5C04: What is the total resistance of three 100-ohm resistors in parallel?

.30 ohms

.33 ohms

300 ohms

G6A09: What is an advantage of using a ferrite core toroidal inductor?

Large values of inductance may be obtained

The magnetic properties of the core may be optimized for a specific range of frequencies

Most of the magnetic field is contained in the core

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

0.1 volt

0.3 volts

1.0 volts

G6C12: Which of the following connectors would be a good choice for a serial data port?

PL-259

Type N

Type SMA

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

G7C11: What is meant by the term "software defined radio" (SDR)?

A radio which provides computer interface for automatic logging of band and frequency

A radio which uses crystal filters designed using software

A computer model which can simulate performance of a radio to aid in the design process

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

G8B07: What is the frequency deviation for a 12.21-MHz reactance-modulated oscillator in a 5-kHz deviation, 146.52-MHz FM-phone transmitter?

101.75 Hz

5 kHz

60 kHz

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

ohms per 1000 ft

dB per 1000 ft

ohms per 100 ft

G9B05: How does antenna height affect the horizontal (azimuthal) radiation pattern of a horizontal dipole HF antenna?

If the antenna is too high, the pattern becomes unpredictable

Antenna height has no effect on the pattern

If the antenna is less than 1/2 wavelength high, radiation off the ends of the wire is eliminated

G9C16: How does the gain of a two-element delta-loop beam compare to the gain of a two-element quad antenna?

3 dB higher

3 dB lower

2.54 dB higher

G9D09: Which of the following is an application for a Beverage antenna?

Directional transmitting for low HF bands

Portable direction finding at higher HF frequencies

Portable direction finding at lower HF frequencies