Ham General License Practice Quiz


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

G0A12: What precaution should you take whenever you make adjustments or repairs to an antenna?

Ensure that you and the antenna structure are grounded
Turn off the transmitter and disconnect the feed line
Wear a radiation badge
All of these choices are correct

G0B06: Why must the metal enclosure of every item of station equipment be grounded?

It prevents blowing of fuses in case of an internal short circuit
It prevents signal overload
It ensures that the neutral wire is grounded
It ensures that hazardous voltages cannot appear on the chassis

G1A12: When General Class licensees are not permitted to use the entire voice portion of a particular band, which portion of the voice segment is generally available to them?

The lower frequency end
The upper frequency end
The lower frequency end on frequencies below 7.3 MHz and the upper end on frequencies above 14.150 MHz
The upper frequency end on frequencies below 7.3 MHz and the lower end on frequencies above 14.150 MHz

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

G1C02: What is the maximum transmitting power an amateur station may use on the 12 meter band?

1500 PEP output, except for 200 watts PEP output in the Novice portion
200 watts PEP output
1500 watts PEP output
An effective radiated power equivalent to 50 watts from a half-wave dipole

G1D10: What is the minimum age that one must be to qualify as an accredited Volunteer Examiner?

12 years
18 years
21 years
There is no age limit

G1E07: With which foreign countries is third party traffic prohibited, except for messages directly involving emergencies or disaster relief communications?

Countries in ITU Region 2
Countries in ITU Region 1
Every foreign country, unless there is a third party agreement in effect with that country
Any country which is not a member of the International Amateur Radio Union (IARU)

G2A11: What does the expression "CQ DX" usually indicate?

A general call for any station
The caller is listening for a station in Germany
The caller is looking for any station outside their own country
A distress call

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

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

G2D09: What information is traditionally contained in a station log?

Date and time of contact
Band and/or frequency of the contact
Call sign of station contacted and the signal report given
All of these choices are correct

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

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

G3B12: What factors affect the Maximum Usable Frequency (MUF)?

Path distance and location
Time of day and season
Solar radiation and ionospheric disturbances
All of these choices are correct

G3C09: What type of radio wave propagation allows a signal to be detected at a distance too far for ground wave propagation but too near for normal sky-wave propagation?

Faraday rotation
Scatter
Sporadic-E skip
Short-path skip

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

G4C04: What is the effect on an audio device or telephone system if there is interference from a nearby CW transmitter?

On-and-off humming or clicking
A CW signal at a nearly pure audio frequency
A chirpy CW signal
Severely distorted audio

G4D04: What does an S meter measure?

Conductance
Impedance
Received signal strength
Transmitter power output

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

G5A11: Which of the following describes one method of impedance matching between two AC circuits?

Insert an LC network between the two circuits
Reduce the power output of the first circuit
Increase the power output of the first circuit
Insert a circulator between the two circuits

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

G5C02: Which part of a transformer is normally connected to the incoming source of energy?

The secondary
The primary
The core
The plates

G6A04: Which of the following is an advantage of an electrolytic capacitor?

Tight tolerance
Non-polarized
High capacitance for given volume
Inexpensive RF capacitor

G6B14: What is the minimum allowable discharge voltage for maximum life of a standard 12 volt lead acid battery?

6 volts
8.5 volts
10.5 volts
12 volts

G6C17: What is the general description of a DIN type connector?

A special connector for microwave interfacing
A DC power connector rated for currents between 30 and 50 amperes
A family of multiple circuit connectors suitable for audio and control signals
A special watertight connector for use in marine applications

G7A06: What portion of the AC cycle is converted to DC by a full-wave rectifier?

90 degrees
180 degrees
270 degrees
360 degrees

G7B07: What are the basic components of virtually all sine wave oscillators?

An amplifier and a divider
A frequency multiplier and a mixer
A circulator and a filter operating in a feed-forward loop
A filter and an amplifier operating in a feedback loop

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
Filter
IF amplifier
RF 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

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

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

G9C11: What is the purpose of a gamma match used with Yagi antennas?

To match the relatively low feed-point impedance to 50 ohms
To match the relatively high feed-point impedance to 50 ohms
To increase the front to back ratio
To increase the main lobe gain

G9D07: Which of the following describes a log periodic antenna?

Length and spacing of the elements increases logarithmically from one end of the boom to the other
Impedance varies periodically as a function of frequency
Gain varies logarithmically as a function of frequency
SWR varies periodically as a function of boom length