Ham General License Practice Quiz
• Percentage: 0%; Correct: 0; Total: 0 of 35
G0A07: What effect does transmitter duty cycle have when evaluating RF exposure?
A lower transmitter duty cycle permits greater short-term exposure levels
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
G0B03: Which size of fuse or circuit breaker would be appropriate to use with a circuit that uses AWG number 14 wiring?
G1A13: Which, if any, amateur band is shared with the Citizens Radio Service?
G1B04: Which of the following must be true before amateur stations may provide communications to broadcasters for dissemination to the public?
The communications must directly relate to the immediate safety of human life or protection of property and there must be no other means of communication reasonably available before or at the time of
The communications must be approved by a local emergency preparedness official and conducted on officially designated frequencies
The FCC must have declared a state of emergency
All of these choices are correct
G1C06: Which of the following is a limitation on transmitter power on 1.8 MHz band?
200 watts PEP output
1000 watts PEP output
1200 watts PEP output
1500 watts PEP output
G1D10: What is the minimum age that one must be to qualify as an accredited Volunteer Examiner?
There is no age limit
G1E07: With which foreign countries is third party traffic prohibited, except for messages directly involving emergencies or disaster relief communications?
Countries in ITU Region 2
Countries in ITU Region 1
Every foreign country, unless there is a third party agreement in effect with that country
Any country which is not a member of the International Amateur Radio Union (IARU)
G2A07: Which of the following statements is true of the single sideband (SSB) voice mode?
Only one sideband and the carrier are transmitted; the other sideband is suppressed
Only one sideband is transmitted; the other sideband and carrier are suppressed
SSB voice transmissions have higher average power than any other mode
SSB is the only mode that is authorized on the 160, 75 and 40 meter amateur bands
G2B07: Which of the following complies with good amateur practice when choosing a frequency on which to initiate a call?
Check to see if the channel is assigned to another station
Identify your station by transmitting your call sign at least 3 times
Follow the voluntary band plan for the operating mode you intend to use
All of these choices are correct
G2C02: What should you do if a CW station sends "QRS"?
Increase your power
Repeat everything twice
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
G2E05: Which of the following describes Baudot code?
A 7-bit code with start, stop and parity bits
A code using error detection and correction
A 5-bit code with additional start and stop bits
A code using SELCAL and LISTEN
G3A13: What does the A-index indicate?
The relative position of sunspots on the surface of the Sun
The amount of polarization of the Sun's electric field
The long term stability of the Earth's geomagnetic field
The solar radio flux at Boulder, Colorado
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
G3C02: Where on the Earth do ionospheric layers reach their maximum height?
Where the Sun is overhead
Where the Sun is on the opposite side of the Earth
Where the Sun is rising
Where the Sun has just set
G4A14: How should the transceiver audio input be adjusted when transmitting PSK31 data signals?
So that the transceiver is at maximum rated output power
So that the transceiver ALC system does not activate
So that the transceiver operates at no more than 25% of rated power
So that the transceiver ALC indicator shows half scale
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
G4C11: Which of the following is one use for a Digital Signal Processor in an amateur station?
To provide adequate grounding
To remove noise from received signals
To increase antenna gain
To increase antenna bandwidth
G4D06: Where is an S meter found?
In a receiver
In an SWR bridge
In a transmitter
In a conductance bridge
G4E03: Which of the following direct, fused power connections would be the best for a 100-watt HF mobile installation?
To the battery using heavy gauge wire
To the alternator or generator using heavy gauge wire
To the battery using resistor wire
To the alternator or generator using resistor wire
G5A06: How does a capacitor react to AC?
As the frequency of the applied AC increases, the reactance decreases
As the frequency of the applied AC increases, the reactance increases
As the amplitude of the applied AC increases, the reactance increases
As the amplitude of the applied AC increases, the reactance decreases
G5B09: What is the RMS voltage of a sine wave with a value of 17 volts peak?
G5C04: What is the total resistance of three 100-ohm resistors in parallel?
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
G6B14: What is the minimum allowable discharge voltage for maximum life of a standard 12 volt lead acid battery?
G6C07: What is one disadvantage of an incandescent indicator compared to an LED?
Low power consumption
High power consumption
G7A04: What is the peak-inverse-voltage across the rectifier in a half-wave power supply?
One-half the normal peak output voltage of the power supply
One-half the normal output voltage of the power supply
Equal to the normal output voltage of the power supply
Two times the normal peak output voltage of the power supply
G7B03: Which of the following describes the function of a two input AND gate?
Output is high when either or both inputs are low
Output is high only when both inputs are high
Output is low when either or both inputs are high
Output is low only when both inputs are high
G7C05: Which of the following is an advantage of a transceiver controlled by a direct digital synthesizer (DDS)?
Wide tuning range and no need for band switching
Relatively high power output
Relatively low power consumption
Variable frequency with the stability of a crystal oscillator
G8A08: Which of the following is an effect of over-modulation?
G8B11: How does forward error correction allow the receiver to correct errors in received data packets?
By controlling transmitter output power for optimum signal strength
By using the varicode character set
By transmitting redundant information with the data
By using a parity bit with each character
G9A04: What is the reason for the occurrence of reflected power at the point where a feed line connects to an antenna?
Operating an antenna at its resonant frequency
Using more transmitter power than the antenna can handle
A difference between feed-line impedance and antenna feed-point impedance
Feeding the antenna with unbalanced feed line
G9B02: What is an advantage of downward sloping radials on a quarter wave ground-plane antenna?
They lower the radiation angle
They bring the feed-point impedance closer to 300 ohms
They increase the radiation angle
They bring the feed-point impedance closer to 50 ohms
G9C01: Which of the following would increase the bandwidth of a Yagi antenna?
Larger diameter elements
Closer element spacing
Loading coils in series with the element
G9D10: Which of the following describes a Beverage antenna?
A vertical antenna constructed from beverage cans
A broad-band mobile antenna
A helical antenna for space reception
A very long and low directional receiving antenna