Ham General License Practice Quiz
• Percentage: 0%; Correct: 0; Total: 0 of 35
G0A03: How can you determine that your station complies with FCC RF exposure regulations?
By calculation based on FCC OET Bulletin 65
By calculation based on computer modeling
By measurement of field strength using calibrated equipment
All of these choices are correct
G0B16: When might a lead acid storage battery give off explosive hydrogen gas?
When stored for long periods of time
When being discharged
When being charged
When not placed on a level surface
G1A01: On which of the following bands is a General Class license holder granted all amateur frequency privileges?
60, 20, 17, and 12 meters
160, 80, 40, and 10 meters
160, 60, 30, 17, 12, and 10 meters
160, 30, 17, 15, 12, and 10 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 FCC
The Control Operator
The IEEE
The ITU
G1C09: What is the maximum symbol rate permitted for RTTY or data emission transmitted on the 1.25 meter and 70 centimeter bands?
56 kilobaud
19.6 kilobaud
1200 baud
300 baud
G1D08: Which of the following criteria must be met for a non-U.S. citizen to be an accredited Volunteer Examiner?
The person must be a resident of the U.S. for a minimum of 5 years
The person must hold an FCC granted Amateur Radio license of General Class or above
The person's home citizenship must be in the ITU 2 region
None of these choices is correct; non-U.S. citizens cannot be volunteer examiners
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
Only messages relating to Amateur Radio or remarks of a personal character, or messages relating to emergencies or disaster relief
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
VOX allows "hands free" operation
Frequency spectrum is conserved
Provides more power output
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
150 to 500 Hz
1 to 3 kHz
3 to 6 kHz
G2C09: What does the Q signal "QSL" mean?
Send slower
We have already confirmed by card
I acknowledge receipt
We have worked before
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
G2E04: What segment of the 20 meter band is most often used for data transmissions?
14.000 - 14.050 MHz
14.070 - 14.100 MHz
14.150 - 14.225 MHz
14.275 - 14.350 MHz
G3A16: What is a possible benefit to radio communications resulting from periods of high geomagnetic activity?
Aurora that can reflect VHF signals
Higher signal strength for HF signals passing through the polar regions
Improved HF long path propagation
Reduced long delayed echoes
G3B01: How might a sky-wave signal sound if it arrives at your receiver by both short path and long path propagation?
Periodic fading approximately every 10 seconds
Signal strength increased by 3 dB
The signal might be cancelled causing severe attenuation
A well-defined echo might be heard
G3C08: Why are HF scatter signals in the skip zone usually weak?
Only a small part of the signal energy is scattered into the skip zone
Signals are scattered from the magnetosphere which is not a good reflector
Propagation is through ground waves which absorb most of the signal energy
Propagations is through ducts in F region which absorb most of the energy
G4A08: What is the correct adjustment for the load or coupling control of a vacuum tube RF power amplifier?
Minimum SWR on the antenna
Minimum plate current without exceeding maximum allowable grid current
Highest plate voltage while minimizing grid current
Maximum power output without exceeding maximum allowable plate current
G4B02: Which of the following is an advantage of an oscilloscope versus a digital voltmeter?
An oscilloscope uses less power
Complex impedances can be easily measured
Input impedance is much lower
Complex waveforms can be measured
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
G4E10: What is the reason a series diode is connected between a solar panel and a storage battery that is being charged by the panel?
The diode serves to regulate the charging voltage to prevent overcharge
The diode prevents self discharge of the battery though the panel during times of low or no illumination
The diode limits the current flowing from the panel to a safe value
The diode greatly increases the efficiency during times of high illumination
G5A02: What is reactance?
Opposition to the flow of direct current caused by resistance
Opposition to the flow of alternating current caused by capacitance or inductance
A property of ideal resistors in AC circuits
A large spark produced at switch contacts when an inductor is de-energized
G5B13: What is the output PEP of an unmodulated carrier if an average reading wattmeter connected to the transmitter output indicates 1060 watts?
530 watts
1060 watts
1500 watts
2120 watts
G5C01: What causes a voltage to appear across the secondary winding of a transformer when an AC voltage source is connected across its primary winding?
Capacitive coupling
Displacement current coupling
Mutual inductance
Mutual capacitance
G6A01: Which of the following is an important characteristic for capacitors used to filter the DC output of a switching power supply?
Low equivalent series resistance
High equivalent series resistance
Low Temperature coefficient
High Temperature coefficient
G6B02: What are two major ratings that must not be exceeded for silicon diode rectifiers?
Peak inverse voltage; average forward current
Average power; average voltage
Capacitive reactance; avalanche voltage
Peak load impedance; peak voltage
G6C01: Which of the following is an analog integrated circuit?
NAND Gate
Microprocessor
Frequency Counter
Linear voltage regulator
G7A12: Which symbol in Figure G7-1 represents a multiple-winding transformer?
Symbol 4
Symbol 7
Symbol 6
Symbol 1
G7B05: How many states does a 3-bit binary counter have?
3
6
8
16
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
Discriminator
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 instantaneous amplitude of the modulating signal
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
G8B09: Why is it good to match receiver bandwidth to the bandwidth of the operating mode?
It is required by FCC rules
It minimizes power consumption in the receiver
It improves impedance matching of the antenna
It results in the best signal to noise ratio
G9A10: What standing wave ratio will result from the connection of a 50-ohm feed line to a non-reactive load having a 10-ohm impedance?
2:1
50:1
1:5
5:1
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 increases
It stays the same
It reaches a maximum at an angle of 45 degrees
G9C20: How does the gain of two 3-element horizontally polarized Yagi antennas spaced vertically 1/2 wavelength apart typically compare to the gain of a single 3-element Yagi?
Approximately 1.5 dB higher
Approximately 3 dB higher
Approximately 6 dB higher
Approximately 9 dB higher
G9D07: Which of the following describes a log periodic antenna?
Length and spacing of the elements increases logarithmically from one end of the boom to the other
Impedance varies periodically as a function of frequency
Gain varies logarithmically as a function of frequency
SWR varies periodically as a function of boom length
