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

G0B10: Which of the following is a danger from lead-tin solder?

Lead can contaminate food if hands are not washed carefully after handling
High voltages can cause lead-tin solder to disintegrate suddenly
Tin in the solder can 'cold flow' causing shorts in the circuit
RF energy can convert the lead into a poisonous gas

G1A08: Which of the following frequencies is within the General Class portion of the 20 meter phone band?

14005 kHz
14105 kHz
14305 kHz
14405 kHz

G1B04: Which of the following must be true before amateur stations may provide communications to broadcasters for dissemination to the public?

The communications must directly relate to the immediate safety of human life or protection of property and there must be no other means of communication reasonably available before or at the time of
The communications must be approved by a local emergency preparedness official and conducted on officially designated frequencies
The FCC must have declared a state of emergency
All of these choices are correct

G1C06: Which of the following is a limitation on transmitter power on 1.8 MHz band?

200 watts PEP output
1000 watts PEP output
1200 watts PEP output
1500 watts PEP output

G1D06: When must you add the special identifier "AG" after your call sign if you are a Technician Class licensee and have a CSCE for General Class operator privileges, but the FCC has not yet posted your upgrade on its Web site?

Whenever you operate using General Class frequency privileges
Whenever you operate on any amateur frequency
Whenever you operate using Technician frequency privileges
A special identifier is not required as long as your General Class license application has been filed with the FCC

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

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

G2D08: Why do many amateurs keep a log even though the FCC doesn't require it?

The ITU requires a log of all international contacts
The ITU requires a log of all international third party traffic
The log provides evidence of operation needed to renew a license without retest
To help with a reply if the FCC requests information

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

G3A15: How long does it take charged particles from coronal mass ejections to affect radio-wave propagation on the Earth?

28 days
14 days
4 to 8 minutes
20 to 40 hours

G3B06: What usually happens to radio waves with frequencies below the Lowest Usable Frequency (LUF)?

They are bent back to the Earth
They pass through the ionosphere
They are completely absorbed by the ionosphere
They are bent and trapped in the ionosphere to circle the Earth

G3C01: Which of the following ionospheric layers is closest to the surface of the Earth?

The D layer
The E layer
The F1 layer
The F2 layer

G4A03: What is normally meant by operating a transceiver in "split" mode?

The radio is operating at half power
The transceiver is operating from an external power source
The transceiver is set to different transmit and receive frequencies
The transmitter is emitting a SSB signal, as opposed to DSB operation

G4B02: Which of the following is an advantage of an oscilloscope versus a digital voltmeter?

An oscilloscope uses less power
Complex impedances can be easily measured
Input impedance is much lower
Complex waveforms can be measured

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

G4D07: How much must the power output of a transmitter be raised to change the S- meter reading on a distant receiver from S8 to S9?

Approximately 1.5 times
Approximately 2 times
Approximately 4 times
Approximately 8 times

G4E06: What is one disadvantage of using a shortened mobile antenna as opposed to a full size antenna?

Short antennas are more likely to cause distortion of transmitted signals
Short antennas can only receive vertically polarized signals
Operating bandwidth may be very limited
Harmonic radiation may increase

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

G5B13: What is the output PEP of an unmodulated carrier if an average reading wattmeter connected to the transmitter output indicates 1060 watts?

530 watts
1060 watts
1500 watts
2120 watts

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

G6A02: Which of the following types of capacitors are often used in power supply circuits to filter the rectified AC?

Disc ceramic
Vacuum variable
Mica
Electrolytic

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

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

Diodes
Transformers and transducers
Quartz crystals
Capacitors and inductors

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

G7C05: Which of the following is an advantage of a transceiver controlled by a direct digital synthesizer (DDS)?

Wide tuning range and no need for band switching
Relatively high power output
Relatively low power consumption
Variable frequency with the stability of a crystal oscillator

G8A02: What is the name of the process that changes the phase angle of an RF wave to convey information?

Phase convolution
Phase modulation
Angle convolution
Radian inversion

G8B11: How does forward error correction allow the receiver to correct errors in received data packets?

By controlling transmitter output power for optimum signal strength
By using the varicode character set
By transmitting redundant information with the data
By using a parity bit with each character

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

50 ohms
75 ohms
100 ohms
300 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

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

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