Ham General License Practice Quiz

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

G0A08: Which of the following steps must an amateur operator take to ensure compliance with RF safety regulations when transmitter power exceeds levels specified in part 97.13?

Post a copy of FCC Part 97 in the station
Post a copy of OET Bulletin 65 in the station
Perform a routine RF exposure evaluation
All of these choices are correct

G0B12: What is the purpose of a transmitter power supply interlock?

To prevent unauthorized access to a transmitter
To guarantee that you cannot accidentally transmit out of band
To ensure that dangerous voltages are removed if the cabinet is opened
To shut off the transmitter if too much current is drawn

G1A02: On which of the following bands is phone operation prohibited?

160 meters
30 meters
17 meters
12 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 Control Operator

G1C07: What is the maximum symbol rate permitted for RTTY or data emission transmission on the 20 meter band?

56 kilobaud
19.6 kilobaud
1200 baud
300 baud

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

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

G2A04: Which mode is most commonly used for voice communications on the 17 and 12 meter bands?

Upper sideband
Lower sideband
Vestigial sideband
Double sideband

G2B03: If propagation changes during your contact and you notice increasing interference from other activity on the same frequency, what should you do?

Tell the interfering stations to change frequency
Report the interference to your local Amateur Auxiliary Coordinator
As a common courtesy, move your contact to another frequency
Increase power to overcome interference

G2C11: What does the Q signal 'QRV' mean?

You are sending too fast
There is interference on the frequency
I am quitting for the day
I am ready to receive messages

G2D02: Which of the following are objectives of the Amateur Auxiliary?

To conduct efficient and orderly amateur licensing examinations
To encourage amateur self regulation and compliance with the rules
To coordinate repeaters for efficient and orderly spectrum usage
To provide emergency and public safety communications

G2E13: In the PACTOR protocol, what is meant by an NAK response to a transmitted packet?

The receiver is requesting the packet be re-transmitted
The receiver is reporting the packet was received without error
The receiver is busy decoding the packet
The entire file has been received correctly

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

G3B04: What is a reliable way to determine if the Maximum Usable Frequency (MUF) is high enough to support skip propagation between your station and a distant location on frequencies between 14 and 30 MHz?

Listen for signals from an international beacon
Send a series of dots on the band and listen for echoes from your signal
Check the strength of TV signals from Western Europe
Check the strength of signals in the MF AM broadcast band

G3C04: What does the term 'critical angle' mean as used in radio wave propagation?

The long path azimuth of a distant station
The short path azimuth of a distant station
The lowest takeoff angle that will return a radio wave to the Earth under specific ionospheric conditions
The highest takeoff angle that will return a radio wave to the Earth under specific ionospheric conditions

G4A10: What is the purpose of an electronic keyer?

Automatic transmit/receive switching
Automatic generation of strings of dots and dashes for CW operation
VOX operation
Computer interface for PSK and RTTY operation

G4B15: What type of transmitter performance does a two-tone test analyze?

Carrier and undesired sideband suppression
Percentage of frequency modulation
Percentage of carrier phase shift

G4C09: How can a ground loop be avoided?

Connect all ground conductors in series
Connect the AC neutral conductor to the ground wire
Avoid using lock washers and star washers when making ground connections
Connect all ground conductors to a single point

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

G4E02: What is the purpose of a "corona ball" on a HF mobile antenna?

To narrow the operating bandwidth of the antenna
To increase the "Q" of the antenna
To reduce the chance of damage if the antenna should strike an object
To reduce high voltage discharge from the tip of the antenna

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

G5B01: A two-times increase or decrease in power results in a change of how many dB?

Approximately 2 dB
Approximately 3 dB
Approximately 6 dB
Approximately 12 dB

G5C07: What is the turns ratio of a transformer used to match an audio amplifier having a 600-ohm output impedance to a speaker having a 4-ohm impedance?

12.2 to 1
24.4 to 1
150 to 1
300 to 1

G6A05: Which of the following is one effect of lead inductance in a capacitor used at VHF and above?

Effective capacitance may be reduced
Voltage rating may be reduced
ESR may be reduced
The polarity of the capacitor might become reversed

G6B12: What is the primary purpose of a screen grid in a vacuum tube?

To reduce grid-to-plate capacitance
To increase efficiency
To increase the control grid resistance
To decrease plate resistance

G6C18: What is a type SMA connector?

A large bayonet-type connector usable at power levels in excess of 1 KW
A small threaded connector suitable for signals up to several GHz
A connector designed for serial multiple access signals
A type of push-on connector intended for high-voltage applications

G7A08: Which of the following is an advantage of a switch-mode power supply as compared to a linear power supply?

Faster switching time makes higher output voltage possible
Fewer circuit components are required
High frequency operation allows the use of smaller components
All of these choices are correct

G7B04: Which of the following describes the function of a two input NOR 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

G7C07: What is the simplest combination of stages that implement a superheterodyne receiver?

RF amplifier, detector, audio amplifier
RF amplifier, mixer, IF discriminator
HF oscillator, mixer, detector
HF oscillator, pre-scaler, audio amplifier

G8A03: What is the name of the process which changes the frequency of an RF wave to convey information?

Frequency convolution
Frequency transformation
Frequency conversion
Frequency modulation

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

G9A02: What are the typical characteristic impedances of coaxial cables used for antenna feed lines at amateur stations?

25 and 30 ohms
50 and 75 ohms
80 and 100 ohms
500 and 750 ohms

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

G9C15: Approximately how long is each side of a quad antenna reflector element?

Slightly less than 1/4 wavelength
Slightly more than 1/4 wavelength
Slightly less than 1/2 wavelength
Slightly more than 1/2 wavelength

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