Ham General License Practice Quiz


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

G0A01: What is one way that RF energy can affect human body tissue?

It heats body tissue
It causes radiation poisoning
It causes the blood count to reach a dangerously low level
It cools body tissue

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

G1A04: Which of the following amateur bands is restricted to communication on only specific channels, rather than frequency ranges?

11 meters
12 meters
30 meters
60 meters

G1B03: Which of the following is a purpose of a beacon station as identified in the FCC Rules?

Observation of propagation and reception
Automatic identification of repeaters
Transmission of bulletins of general interest to Amateur Radio licensees
Identifying net frequencies

G1C04: Which of the following is a limitation on transmitter power on the 14 MHz band?

Only the minimum power necessary to carry out the desired communications should be used
Power must be limited to 200 watts when transmitting between 14.100 MHz and 14.150 MHz
Power should be limited as necessary to avoid interference to another radio service on the frequency
Effective radiated power cannot exceed 3000 watts

G1D01: Which of the following is a proper way to identify when transmitting using phone on General Class frequencies if you have a CSCE for the required elements but your upgrade from Technician has not appeared in the FCC database?

Give your call sign followed by the words "General Class"
No special identification is needed
Give your call sign followed by "slant AG"
Give your call sign followed the abbreviation 'CSCE'

G1E10: What portion of the 10 meter band is available for repeater use?

The entire band
The portion between 28.1 MHz and 28.2 MHz
The portion between 28.3 MHz and 28.5 MHz
The portion above 29.5 MHz

G2A03: Which of the following is most commonly used for SSB voice communications in the VHF and UHF bands?

Upper sideband
Lower sideband
Vestigial sideband
Double sideband

G2B04: When selecting a CW transmitting frequency, what minimum frequency separation should you allow in order to minimize interference to stations on adjacent frequencies?

5 to 50 Hz
150 to 500 Hz
1 to 3 kHz
3 to 6 kHz

G2C10: What does the Q signal "QRQ" mean?

Slow down
Send faster
Zero beat my signal
Quitting operation

G2D10: What is QRP operation?

Remote piloted model control
Low power transmit operation
Transmission using Quick Response Protocol
Traffic relay procedure net operation

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

G3B07: What does LUF stand for?

The Lowest Usable Frequency for communications between two points
The Longest Universal Function for communications between two points
The Lowest Usable Frequency during a 24 hour period
The Longest Universal Function 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

G4A07: What condition can lead to permanent damage when using a solid-state RF power amplifier?

Exceeding the Maximum Usable Frequency
Low input SWR
Shorting the input signal to ground
Excessive drive power

G4B12: What problem can occur when making measurements on an antenna system with an antenna analyzer?

SWR readings may be incorrect if the antenna is too close to the Earth
Strong signals from nearby transmitters can affect the accuracy of measurements
The analyzer can be damaged if measurements outside the ham bands are attempted
Connecting the analyzer to an antenna can cause it to absorb harmonics

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

G4D05: How does an S meter reading of 20 dB over S-9 compare to an S-9 signal, assuming a properly calibrated S meter?

It is 10 times weaker
It is 20 times weaker
It is 20 times stronger
It is 100 times stronger

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

G5A01: What is impedance?

The electric charge stored by a capacitor
The inverse of resistance
The opposition to the flow of current in an AC circuit
The force of repulsion between two similar electric fields

G5B02: How does the total current relate to the individual currents in each branch of a parallel circuit?

It equals the average of each branch current
It decreases as more parallel branches are added to the circuit
It equals the sum of the currents through each branch
It is the sum of the reciprocal of each individual voltage drop

G5C01: What causes a voltage to appear across the secondary winding of a transformer when an AC voltage source is connected across its primary winding?

Capacitive coupling
Displacement current coupling
Mutual inductance
Mutual capacitance

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

G6B08: Why must the cases of some large power transistors be insulated from ground?

To increase the beta of the transistor
To improve the power dissipation capability
To reduce stray capacitance
To avoid shorting the collector or drain voltage to ground

G6C16: Which of the following describes a type-N connector?

A moisture-resistant RF connector useful to 10 GHz
A small bayonet connector used for data circuits
A threaded connector used for hydraulic systems
An audio connector used in surround-sound installations

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

G7B02: Which of the following is an advantage of using the binary system when processing digital signals?

Binary "ones" and "zeros" are easy to represent with an "on" or "off" state
The binary number system is most accurate
Binary numbers are more compatible with analog circuitry
All of these choices are correct

G7C08: What type of circuit is used in many FM receivers to convert signals coming from the IF amplifier to audio?

Product detector
Phase inverter
Mixer
Discriminator

G8A04: What emission is produced by a reactance modulator connected to an RF power amplifier?

Multiplex modulation
Phase modulation
Amplitude modulation
Pulse modulation

G8B01: What receiver stage combines a 14.250 MHz input signal with a 13.795 MHz oscillator signal to produce a 455 kHz intermediate frequency (IF) signal?

Mixer
BFO
VFO
Discriminator

G9A12: What would be the SWR if you feed a vertical antenna that has a 25-ohm feed-point impedance with 50-ohm coaxial cable?

2:1
2.5:1
1.25:1
You cannot determine SWR from impedance values

G9B10: What is the approximate length for a 1/2-wave dipole antenna cut for 14.250 MHz?

8 feet
16 feet
24 feet
32 feet

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

G9D05: What is the advantage of vertical stacking of horizontally polarized Yagi antennas?

Allows quick selection of vertical or horizontal polarization
Allows simultaneous vertical and horizontal polarization
Narrows the main lobe in azimuth
Narrows the main lobe in elevation