Ham General License Practice Quiz
• Percentage: 0%; Correct: 0; Total: 0 of 35
G0A04: What does "time averaging" mean in reference to RF radiation exposure?
The average time of day when the exposure occurs
The average time it takes RF radiation to have any long-term effect on the body
The total time of the exposure
The total RF exposure averaged over a certain time
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
G1A10: Which of the following frequencies is within the General Class portion of the 15 meter band?
14250 kHz
18155 kHz
21300 kHz
24900 kHz
G1B10: What is the power limit for beacon stations?
10 watts PEP output
20 watts PEP output
100 watts PEP output
200 watts PEP output
G1C01: What is the maximum transmitting power an amateur station may use on 10.140 MHz?
200 watts PEP output
1000 watts PEP output
1500 watts PEP output
2000 watts PEP output
G1D02: What license examinations may you administer when you are an accredited VE holding a General Class operator license?
General and Technician
General only
Technician only
Extra, General and Technician
G1E08: Which of the following is a requirement for a non-licensed person to communicate with a foreign Amateur Radio station from a station with an FCC granted license at which a licensed control operator is present?
Information must be exchanged in English
The foreign amateur station must be in a country with which the United States has a third party agreement
The control operator must have at least a General Class license
All of these choices are correct
G2A06: Which of the following is an advantage when using single sideband as compared to other analog voice modes on the HF amateur bands?
Very high fidelity voice modulation
Less bandwidth used and higher power efficiency
Ease of tuning on receive and immunity to impulse noise
Less subject to static crashes (atmospherics)
G2B10: When may the FCC restrict normal frequency operations of amateur stations participating in RACES?
When they declare a temporary state of communication emergency
When they seize your equipment for use in disaster communications
Only when all amateur stations are instructed to stop transmitting
When the President's War Emergency Powers have been invoked
G2C08: What prosign is sent to indicate the end of a formal message when using CW?
SK
BK
AR
KN
G2D04: Which of the following describes an azimuthal projection map?
A world map that shows accurate land masses
A world map projection centered on a particular location
A world map that shows the angle at which an amateur satellite crosses the equator
A world map that shows the number of degrees longitude that an amateur satellite appears to move westward at the equator with each orbit
G2E02: How many data bits are sent in a single PSK31 character?
The number varies
5
7
8
G3A14: How are radio communications usually affected by the charged particles that reach the Earth from solar coronal holes?
HF communications are improved
HF communications are disturbed
VHF/UHF ducting is improved
VHF/UHF ducting is disturbed
G3B08: What does MUF stand for?
The Minimum Usable Frequency for communications between two points
The Maximum Usable Frequency for communications between two points
The Minimum Usable Frequency during a 24 hour period
The Maximum Usable Frequency during a 24 hour period
G3C06: What is a characteristic of HF scatter signals?
They have high intelligibility
They have a wavering sound
They have very large swings in signal strength
All of these choices are correct
G4A02: What is one advantage of selecting the opposite or "reverse" sideband when receiving CW signals on a typical HF transceiver?
Interference from impulse noise will be eliminated
More stations can be accommodated within a given signal passband
It may be possible to reduce or eliminate interference from other signals
Accidental out of band operation can be prevented
G4B12: What problem can occur when making measurements on an antenna system with an antenna analyzer?
SWR readings may be incorrect if the antenna is too close to the Earth
Strong signals from nearby transmitters can affect the accuracy of measurements
The analyzer can be damaged if measurements outside the ham bands are attempted
Connecting the analyzer to an antenna can cause it to absorb harmonics
G4C06: What effect can be caused by a resonant ground connection?
Overheating of ground straps
Corrosion of the ground rod
High RF voltages on the enclosures of station equipment
A ground loop
G4D03: Which of the following can be the result of an incorrectly adjusted speech processor?
Distorted speech
Splatter
Excessive background pickup
All of these choices are correct
G4E08: What is the name of the process by which sunlight is changed directly into electricity?
Photovoltaic conversion
Photon emission
Photosynthesis
Photon decomposition
G5A08: Why is impedance matching important?
So the source can deliver maximum power to the load
So the load will draw minimum power from the source
To ensure that there is less resistance than reactance in the circuit
To ensure that the resistance and reactance in the circuit are equal
G5B05: How many watts are dissipated when a current of 7.0 milliamperes flows through 1.25 kilohms?
Approximately 61 milliwatts
Approximately 61 watts
Approximately 11 milliwatts
Approximately 11 watts
G5C04: What is the total resistance of three 100-ohm resistors in parallel?
.30 ohms
.33 ohms
33.3 ohms
300 ohms
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
Electrolytic
G6B07: What are the stable operating points for a bipolar transistor used as a switch in a logic circuit?
Its saturation and cut-off regions
Its active region (between the cut-off and saturation regions)
Its peak and valley current points
Its enhancement and deletion modes
G6C12: Which of the following connectors would be a good choice for a serial data port?
PL-259
Type N
Type SMA
DE-9
G7A09: Which symbol in figure G7-1 represents a field effect transistor?
Symbol 2
Symbol 5
Symbol 1
Symbol 4
G7B12: Which of these classes of amplifiers has the highest efficiency?
Class A
Class B
Class AB
Class C
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
Balanced modulator
G8A04: What emission is produced by a reactance modulator connected to an RF power amplifier?
Multiplex modulation
Phase modulation
Amplitude modulation
Pulse modulation
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
G9B08: How does the feed-point impedance of a 1/2 wave dipole change as the feed-point location is moved from the center toward the ends?
It steadily increases
It steadily decreases
It peaks at about 1/8 wavelength from the end
It is unaffected by the location of the feed point
G9C10: Which of the following is a Yagi antenna design variable that could be adjusted to optimize forward gain, front-to-back ratio, or SWR bandwidth?
The physical length of the boom
The number of elements on the boom
The spacing of each element along the boom
All of these choices are correct
G9D02: Which of the following is an advantage of an NVIS antenna?
Low vertical angle radiation for working stations out to ranges of several thousand kilometers
High vertical angle radiation for working stations within a radius of a few hundred kilometers
High forward gain
All of these choices are correct
