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
G0B06: Why must the metal enclosure of every item of station equipment be grounded?
It prevents blowing of fuses in case of an internal short circuit
It prevents signal overload
It ensures that the neutral wire is grounded
It ensures that hazardous voltages cannot appear on the chassis
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 upper 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
G1B06: When is an amateur station permitted to transmit secret codes?
During a declared communications emergency
To control a space station
Only when the information is of a routine, personal nature
Only with Special Temporary Authorization from the FCC
G1C03: What is the maximum bandwidth permitted by FCC rules for Amateur Radio stations when transmitting on USB frequencies in the 60 meter band?
G1D04: Which of the following is a requirement for administering a Technician Class operator examination?
At least three VEC accredited General Class or higher VEs must be present
At least two VEC accredited General Class or higher VEs must be present
At least two General Class or higher VEs must be present, but only one need be VEC accredited
At least three VEs of Technician Class or higher must be present
G1E09: What language must you use when identifying your station if you are using a language other than English in making a contact using phone emission?
The language being used for the contact
Any language if the US has a third party agreement with that country
Any language of a country that is a member of the ITU
G2A05: Which mode of voice communication is most commonly used on the high frequency amateur bands?
G2B09: Who may be the control operator of an amateur station transmitting in RACES to assist relief operations during a disaster?
Only a person holding an FCC issued amateur operator license
Only a RACES net control operator
A person holding an FCC issued amateur operator license or an appropriate government official
Any control operator when normal communication systems are operational
G2C04: What does it mean when a CW operator sends "CL" at the end of a transmission?
Keep frequency clear
Operating full break-in
Listening only for a specific station or stations
G2D07: Which of the following is required by the FCC rules when operating in the 60 meter band?
If you are using other than a dipole antenna, you must keep a record of the gain of your antenna
You must keep a log of the date, time, frequency, power level and stations worked
You must keep a log of all third party traffic
You must keep a log of the manufacturer of your equipment and the antenna used
G2E08: What segment of the 80 meter band is most commonly used for data transmissions?
3570 ' 3600 kHz
3500 ' 3525 kHz
3700 ' 3750 kHz
3775 ' 3825 kHz
G3A02: What effect does a Sudden Ionospheric Disturbance have on the daytime ionospheric propagation of HF radio waves?
It enhances propagation on all HF frequencies
It disrupts signals on lower frequencies more than those on higher frequencies
It disrupts communications via satellite more than direct communications
None, because only areas on the night side of the Earth are affected
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
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 D layer absorbs signals at these frequencies during daylight hours
The E layer is unstable during daylight hours
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
G4B03: Which of the following is the best instrument to use when checking the keying waveform of a CW transmitter?
A field-strength meter
A sidetone monitor
G4C13: Which of the following can perform automatic notching of interfering carriers?
A Digital Signal Processor (DSP) filter
A noise limiter
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
3 kHz below 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
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
G5A09: What unit is used to measure reactance?
G5B11: What is the ratio of peak envelope power to average power for an unmodulated carrier?
G5C09: What is the capacitance of three 100 microfarad capacitors connected in series?
G6A06: What will happen to the resistance if the temperature of a resistor is increased?
It will change depending on the resistor's reactance coefficient
It will stay the same
It will change depending on the resistor's temperature coefficient
It will become time dependent
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
G6C14: Which of these connector types is commonly used for audio signals in Amateur Radio stations?
G7A10: Which symbol in figure G7-1 represents a Zener diode?
G7B14: Which of the following describes a linear amplifier?
Any RF power amplifier used in conjunction with an amateur transceiver
An amplifier in which the output preserves the input waveform
A Class C high efficiency amplifier
An amplifier used as a frequency multiplier
G7C06: What should be the impedance of a low-pass filter as compared to the impedance of the transmission line into which it is inserted?
About the same
Twice the transmission line impedance
G8A04: What emission is produced by a reactance modulator connected to an RF power amplifier?
G8B08: Why is it important to know the duty cycle of the data mode you are using when transmitting?
To aid in tuning your transmitter
Some modes have high duty cycles which could exceed the transmitter's average power rating.
To allow time for the other station to break in during a transmission
All of these choices are correct
G9A05: How does the attenuation of coaxial cable change as the frequency of the signal it is carrying increases?
It is independent of frequency
It reaches a maximum at approximately 18 MHz
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
G9C06: Which of the following is a reason why a Yagi antenna is often used for radio communications on the 20 meter band?
It provides excellent omnidirectional coverage in the horizontal plane
It is smaller, less expensive and easier to erect than a dipole or vertical antenna
It helps reduce interference from other stations to the side or behind the antenna
It provides the highest possible angle of radiation for the HF bands
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