Ham General License Practice Quiz

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

G0A11: What precaution should you take if you install an indoor transmitting antenna?

Locate the antenna close to your operating position to minimize feed-line radiation
Position the antenna along the edge of a wall to reduce parasitic radiation
Make sure that MPE limits are not exceeded in occupied areas
No special precautions are necessary if SSB and CW are the only modes used

G0B03: Which size of fuse or circuit breaker would be appropriate to use with a circuit that uses AWG number 14 wiring?

100 amperes
60 amperes
30 amperes
15 amperes

G1A13: Which, if any, amateur band is shared with the Citizens Radio Service?

10 meters
12 meters
15 meters

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

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

G2A09: Why do most amateur stations use lower sideband on the 160, 75 and 40 meter bands?

Lower sideband is more efficient than upper sideband at these frequencies
Lower sideband is the only sideband legal on these frequency bands
Because it is fully compatible with an AM detector
Current amateur practice is to use lower sideband on these frequency bands

G2B08: What is the 'DX window' in a voluntary band plan?

A portion of the band that should not be used for contacts between stations within the 48 contiguous United States
An FCC rule that prohibits contacts between stations within the United States and possessions on that band segment
An FCC rule that allows only digital contacts in that portion of the band
A portion of the band that has been voluntarily set aside for digital contacts only

G2C09: What does the Q signal "QSL" mean?

Send slower
We have already confirmed by card
I acknowledge receipt
We have worked before

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

G2E09: In what segment of the 20 meter band are most PSK31 operations commonly found?

At the bottom of the slow-scan TV segment, near 14.230 MHz
At the top of the SSB phone segment near 14.325 MHz
In the middle of the CW segment, near 14.100 MHz
Below the RTTY segment, near 14.070 MHz

G3A06: What is a geomagnetic storm?

A sudden drop in the solar-flux index
A thunderstorm which affects radio propagation
Ripples in the ionosphere
A temporary disturbance in the Earth's magnetosphere

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

G3C13: What is Near Vertical Incidence Sky-wave (NVIS) propagation?

Propagation near the MUF
Short distance HF propagation using high elevation angles
Long path HF propagation at sunrise and sunset
Double hop propagation near the LUF

G4A06: What type of device is often used to enable matching the transmitter output to an impedance other than 50 ohms?

Balanced modulator
SWR Bridge
Antenna coupler
Q Multiplier

G4B04: What signal source is connected to the vertical input of an oscilloscope when checking the RF envelope pattern of a transmitted signal?

The local oscillator of the transmitter
An external RF oscillator
The transmitter balanced mixer output
The attenuated RF output of the transmitter

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

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

G4E07: Which of the following is the most likely to cause interfering signals to be heard in the receiver of an HF mobile installation in a recent model vehicle?

The battery charging system
The anti-lock braking system
The anti-theft circuitry
The vehicle control computer

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

G5B07: Which value of an AC signal results in the same power dissipation as a DC voltage of the same value?

The peak-to-peak value
The peak value
The RMS value
The reciprocal of the RMS value

G5C06: What is the RMS voltage across a 500-turn secondary winding in a transformer if the 2250-turn primary is connected to 120 VAC?

2370 volts
540 volts
26.7 volts
5.9 volts

G6A11: Why would it be important to minimize the mutual inductance between two inductors?

To increase the energy transfer between circuits
To reduce unwanted coupling between circuits
To reduce conducted emissions
To increase the self-resonant frequency of the inductors

G6B09: Which of the following describes the construction of a MOSFET?

The gate is formed by a back-biased junction
The gate is separated from the channel with a thin insulating layer
The source is separated from the drain by a thin insulating layer
The source is formed by depositing metal on silicon

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

G7A02: Which of the following components are used in a power-supply filter network?

Transformers and transducers
Quartz crystals
Capacitors and inductors

G7B06: What is a shift register?

A clocked array of circuits that passes data in steps along the array
An array of operational amplifiers used for tri state arithmetic operations
A digital mixer
An analog mixer

G7C01: Which of the following is used to process signals from the balanced modulator and send them to the mixer in a single-sideband phone transmitter?

Carrier oscillator
IF amplifier
RF amplifier

G8A08: Which of the following is an effect of over-modulation?

Insufficient audio
Insufficient bandwidth
Frequency drift
Excessive bandwidth

G8B12: What is the relationship between transmitted symbol rate and bandwidth?

Symbol rate and bandwidth are not related
Higher symbol rates require higher bandwidth
Lower symbol rates require higher bandwidth
Bandwidth is constant for data mode signals

G9A03: What is the characteristic impedance of flat ribbon TV type twinlead?

50 ohms
75 ohms
100 ohms
300 ohms

G9B01: What is one disadvantage of a directly fed random-wire antenna?

It must be longer than 1 wavelength
You may experience RF burns when touching metal objects in your station
It produces only vertically polarized radiation
It is not effective on the higher HF bands

G9C02: What is the approximate length of the driven element of a Yagi antenna?

1/4 wavelength
1/2 wavelength
3/4 wavelength
1 wavelength

G9D03: At what height above ground is an NVIS antenna typically installed?

As close to one-half wave as possible
As close to one wavelength as possible
Height is not critical as long as it is significantly more than 1/2 wavelength
Between 1/10 and 1/4 wavelength