Ham General License Practice Quiz


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

G0A13: What precaution should be taken when installing a ground-mounted antenna?

It should not be installed higher than you can reach
It should not be installed in a wet area
It should limited to 10 feet in height
It should be installed so no one can be exposed to RF radiation in excess of maximum permissible limits

G0B04: Which of the following is a primary reason for not placing a gasoline-fueled generator inside an occupied area?

Danger of carbon monoxide poisoning
Danger of engine over torque
Lack of oxygen for adequate combustion
Lack of nitrogen for adequate combustion

G1A11: Which of the following frequencies is available to a control operator holding a General Class license?

28.020 MHz
28.350 MHz
28.550 MHz
All of these choices are correct

G1B09: When may an amateur station transmit communications in which the licensee or control operator has a pecuniary (monetary) interest?

When other amateurs are being notified of the sale of apparatus normally used in an amateur station and such activity is not done on a regular basis
Only when there is no other means of communications readily available
When other amateurs are being notified of the sale of any item with a monetary value less than $200 and such activity is not done on a regular basis
Never

G1C05: Which of the following is a limitation on transmitter power on the 28 MHz band?

100 watts PEP output
1000 watts PEP output
1500 watts PEP output
2000 watts PEP output

G1D07: Volunteer Examiners are accredited by what organization?

The Federal Communications Commission
The Universal Licensing System
A Volunteer Examiner Coordinator
The Wireless Telecommunications Bureau

G1E01: Which of the following would disqualify a third party from participating in stating a message over an amateur station?

The third party's amateur license had ever been revoked
The third party is not a U.S. citizen
The third party is a licensed amateur
The third party is speaking in a language other than English, French, or Spanish

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

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

G2D05: When is it permissible to communicate with amateur stations in countries outside the areas administered by the Federal Communications Commission?

Only when the foreign country has a formal third party agreement filed with the FCC
When the contact is with amateurs in any country except those whose administrations have notified the ITU that they object to such communications
When the contact is with amateurs in any country as long as the communication is conducted in English
Only when the foreign country is a member of the International Amateur Radio Union

G2E01: Which mode is normally used when sending an RTTY signal via AFSK with an SSB transmitter?

USB
DSB
CW
LSB

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

G3B10: What is the approximate maximum distance along the Earth's surface that is normally covered in one hop using the E region?

180 miles
1,200 miles
2,500 miles
12,000 miles

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

G4A04: What reading on the plate current meter of a vacuum tube RF power amplifier indicates correct adjustment of the plate tuning control?

A pronounced peak
A pronounced dip
No change will be observed
A slow, rhythmic oscillation

G4B14: What is an instance in which the use of an instrument with analog readout may be preferred over an instrument with a numerical digital readout?

When testing logic circuits
When high precision is desired
When measuring the frequency of an oscillator
When adjusting tuned circuits

G4C02: Which of the following could be a cause of interference covering a wide range of frequencies?

Not using a balun or line isolator to feed balanced antennas
Lack of rectification of the transmitter's signal in power conductors
Arcing at a poor electrical connection
The use of horizontal rather than vertical antennas

G4D09: What frequency range is occupied by a 3 kHz USB signal with the displayed carrier frequency set to 14.347 MHz?

14.347 to 14.647 MHz
14.347 to 14.350 MHz
14.344 to 14.347 MHz
14.3455 to 14.3485 MHz

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

G5A07: What happens when the impedance of an electrical load is equal to the internal impedance of the power source?

The source delivers minimum power to the load
The electrical load is shorted
No current can flow through the circuit
The source can deliver maximum power to the load

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

G5C15: What is the total resistance of a 10 ohm, a 20 ohm, and a 50 ohm resistor in parallel?

5.9 ohms
0.17 ohms
10000 ohms
80 ohms

G6A07: Which of the following is a reason not to use wire-wound resistors in an RF circuit?

The resistor's tolerance value would not be adequate for such a circuit
The resistor's inductance could make circuit performance unpredictable
The resistor could overheat
The resistor's internal capacitance would detune the circuit

G6B15: When is it acceptable to recharge a carbon-zinc primary cell?

As long as the voltage has not been allowed to drop below 1.0 volt
When the cell is kept warm during the recharging period
When a constant current charger is used
Never

G6C02: What is meant by the term MMIC?

Multi Megabyte Integrated Circuit
Monolithic Microwave Integrated Circuit
Military-specification Manufactured Integrated Circuit
Mode Modulated Integrated Circuit

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

G7B05: How many states does a 3-bit binary counter have?

3
6
8
16

G7C03: What circuit is used to process signals from the RF amplifier and local oscillator and send the result to the IF filter in a superheterodyne receiver?

Balanced modulator
IF amplifier
Mixer
Detector

G8A11: What happens to the RF carrier signal when a modulating audio signal is applied to an FM transmitter?

The carrier frequency changes proportionally to the instantaneous amplitude of the modulating signal
The carrier frequency changes proportionally to the amplitude and frequency of the modulating signal
The carrier amplitude changes proportionally to the instantaneous frequency of the modulating signal
The carrier phase changes proportionally to the instantaneous amplitude of the modulating signal

G8B05: Why isn't frequency modulated (FM) phone used below 29.5 MHz?

The transmitter efficiency for this mode is low
Harmonics could not be attenuated to practical levels
The wide bandwidth is prohibited by FCC rules
The frequency stability would not be adequate

G9A10: What standing wave ratio will result from the connection of a 50-ohm feed line to a non-reactive load having a 10-ohm impedance?

2:1
50:1
1:5
5:1

G9B05: How does antenna height affect the horizontal (azimuthal) radiation pattern of a horizontal dipole HF antenna?

If the antenna is too high, the pattern becomes unpredictable
Antenna height has no effect on the pattern
If the antenna is less than 1/2 wavelength high, the azimuthal pattern is almost omnidirectional
If the antenna is less than 1/2 wavelength high, radiation off the ends of the wire is eliminated

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
Tapered-diameter elements

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