Ham General License Practice Quiz


• Percentage: 0%; Correct: 0; Total: 0 of 35

G0A02: Which of the following properties is important in estimating whether an RF signal exceeds the maximum permissible exposure (MPE)?

Its duty cycle
Its frequency
Its power density
All of these choices are correct

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
Make sure all circuits that supply power to the tower are locked out and tagged
Unground the base of the tower
All of these choices are correct

G1A14: Which of the following applies when the FCC rules designate the Amateur Service as a secondary user on a band?

Amateur stations must record the call sign of the primary service station before operating on a frequency assigned to that station
Amateur stations are allowed to use the band only during emergencies
Amateur stations are allowed to use the band only if they do not cause harmful interference to primary users
Amateur stations may only operate during specific hours of the day, while primary users are permitted 24 hour use of the band

G1B08: When choosing a transmitting frequency, what should you do to comply with good amateur practice?

Review FCC Part 97 Rules regarding permitted frequencies and emissions
Follow generally accepted band plans agreed to by the Amateur Radio community
Before transmitting, listen to avoid interfering with ongoing communication
All of these choices are correct

G1C11: What is the maximum symbol rate permitted for RTTY or data emission transmissions on the 2 meter band?

56 kilobaud
19.6 kilobaud
1200 baud
300 baud

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

12 years
18 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 2
Region 3
All three regions

G2A01: Which sideband is most commonly used for voice communications on frequencies of 14 MHz or higher?

Upper sideband
Lower sideband
Vestigial sideband
Double sideband

G2B05: What is the customary minimum frequency separation between SSB signals under normal conditions?

Between 150 and 500 Hz
Approximately 3 kHz
Approximately 6 kHz
Approximately 10 kHz

G2C07: When sending CW, what does a 'C' mean when added to the RST report?

Chirpy or unstable signal
Report was read from S meter reading rather than estimated
100 percent copy
Key clicks

G2D11: Which HF antenna would be the best to use for minimizing interference?

A quarter-wave vertical antenna
An isotropic antenna
A unidirectional antenna
An omnidirectional antenna

G2E03: What part of a data packet contains the routing and handling information?

Directory
Preamble
Header
Footer

G3A12: What does the K-index indicate?

The relative position of sunspots on the surface of the Sun
The short term stability of the Earth's magnetic field
The stability of the Sun's magnetic field
The solar radio flux at Boulder, Colorado

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
2,500 miles
12,000 miles

G3C11: Which of the following antenna types will be most effective for skip communications on 40 meters during the day?

Vertical antennas
Horizontal dipoles placed between 1/8 and 1/4 wavelength above the ground
Left-hand circularly polarized antennas
Right-hand circularly polarized antenna

G4A04: What reading on the plate current meter of a vacuum tube RF power amplifier indicates correct adjustment of the plate tuning control?

A pronounced peak
A pronounced dip
No change will be observed
A slow, rhythmic oscillation

G4B09: Which of the following can be determined with a field strength meter?

The radiation resistance of an antenna
The radiation pattern of an antenna
The presence and amount of phase distortion of a transmitter
The presence and amount of amplitude distortion of a transmitter

G4C03: What sound is heard from an audio device or telephone if there is interference from a nearby single-sideband phone transmitter?

A steady hum whenever the transmitter is on the air
On-and-off humming or clicking
Distorted speech
Clearly audible speech

G4D04: What does an S meter measure?

Conductance
Impedance
Received signal strength
Transmitter power output

G4E11: Which of the following is a disadvantage of using wind as the primary source of power for an emergency station?

The conversion efficiency from mechanical energy to electrical energy is less than 2 percent
The voltage and current ratings of such systems are not compatible with amateur equipment
A large energy storage system is needed to supply power when the wind is not blowing
All of these choices are correct

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

G5B10: What percentage of power loss would result from a transmission line loss of 1 dB?

10.9%
12.2%
20.5%
25.9%

G5C08: What is the equivalent capacitance of two 5000 picofarad capacitors and one 750 picofarad capacitor connected in parallel?

576.9 picofarads
1733 picofarads
3583 picofarads
10750 picofarads

G6A07: Which of the following is a reason not to use wire-wound resistors in an RF circuit?

The resistor's tolerance value would not be adequate for such a circuit
The resistor's inductance could make circuit performance unpredictable
The resistor could overheat
The resistor's internal capacitance would detune the circuit

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

6 volts
8.5 volts
10.5 volts
12 volts

G6C15: What is the main reason to use keyed connectors instead of non-keyed types?

Prevention of use by unauthorized persons
Reduced chance of incorrect mating
Higher current carrying capacity
All of these choices are correct

G7A07: What is the output waveform of an unfiltered full-wave rectifier connected to a resistive load?

A series of DC pulses at twice the frequency of the AC input
A series of DC pulses at the same frequency as the AC input
A sine wave at half the frequency of the AC input
A steady DC voltage

G7B06: What is a shift register?

A clocked array of circuits that passes data in steps along the array
An array of operational amplifiers used for tri state arithmetic operations
A digital mixer
An analog mixer

G7C03: What circuit is used to process signals from the RF amplifier and local oscillator and send the result to the IF filter in a superheterodyne receiver?

Balanced modulator
IF amplifier
Mixer
Detector

G8A09: What control is typically adjusted for proper ALC setting on an amateur single sideband transceiver?

The RF clipping level
Transmit audio or microphone gain
Antenna inductance or capacitance
Attenuator level

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
416.7 Hz
5 kHz
60 kHz

G9A13: What would be the SWR if you feed an antenna that has a 300-ohm feed-point impedance with 50-ohm coaxial cable?

1.5:1
3:1
6:1
You cannot determine SWR from impedance values

G9B11: What is the approximate length for a 1/2-wave dipole antenna cut for 3.550 MHz?

42 feet
84 feet
131 feet
263 feet

G9C08: What is meant by the "main lobe" of a directive antenna?

The magnitude of the maximum vertical angle of radiation
The point of maximum current in a radiating antenna element
The maximum voltage standing wave point on a radiating element
The direction of maximum radiated field strength from the antenna

G9D01: What does the term "NVIS" mean as related to antennas?

Nearly Vertical Inductance System
Non-Visible Installation Specification
Non-Varying Impedance Smoothing
Near Vertical Incidence Sky wave