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

G0B09: Why should soldered joints not be used with the wires that connect the base of a tower to a system of ground rods?

The resistance of solder is too high
Solder flux will prevent a low conductivity connection
Solder has too high a dielectric constant to provide adequate lightning protection
A soldered joint will likely be destroyed by the heat of a lightning strike

G1A10: Which of the following frequencies is within the General Class portion of the 15 meter band?

14250 kHz
18155 kHz
21300 kHz
24900 kHz

G1B02: With which of the following conditions must beacon stations comply?

A beacon station may not use automatic control
The frequency must be coordinated with the National Beacon Organization
The frequency must be posted on the Internet or published in a national periodical
There must be no more than one beacon signal in the same band from a single location

G1C07: What is the maximum symbol rate permitted for RTTY or data emission transmission on the 20 meter band?

56 kilobaud
19.6 kilobaud
1200 baud
300 baud

G1D05: Which of the following is sufficient for you to be an administering VE for a Technician Class operator license examination?

Notification to the FCC that you want to give an examination
Receipt of a CSCE for General Class
Possession of a properly obtained telegraphy license
An FCC General Class or higher license and VEC accreditation

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

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

G2B06: What is a practical way to avoid harmful interference when selecting a frequency to call CQ on CW or phone?

Send "QRL?" on CW, followed by your call sign; or, if using phone, ask if the frequency is in use, followed by your call sign
Listen for 2 minutes before calling CQ
Send the letter "V" in Morse code several times and listen for a response
Send 'QSY' on CW or if using phone, announce 'the frequency is in use', then send your call and listen for a response

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

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

G2D07: Which of the following is required by the FCC rules when operating in the 60 meter band?

If you are using other than a dipole antenna, you must keep a record of the gain of your antenna
You must keep a log of the date, time, frequency, power level and stations worked
You must keep a log of all third party traffic
You must keep a log of the manufacturer of your equipment and the antenna used

G2E07: What does the abbreviation "RTTY" stand for?

Returning to you
A general call to all digital stations
Repeater transmission type

G3A10: What causes HF propagation conditions to vary periodically in a 28-day cycle?

Long term oscillations in the upper atmosphere
Cyclic variation in the Earth's radiation belts
The Sun's rotation on its axis
The position of the Moon in its orbit

G3B08: What does MUF stand for?

The Minimum Usable Frequency for communications between two points
The Maximum Usable Frequency for communications between two points
The Minimum Usable Frequency during a 24 hour period
The Maximum Usable Frequency during a 24 hour period

G3C03: Why is the F2 region mainly responsible for the longest distance radio wave propagation?

Because it is the densest ionospheric layer
Because it does not absorb radio waves as much as other ionospheric regions
Because it is the highest ionospheric region
All of these choices are correct

G4A01: What is the purpose of the "notch filter" found on many HF transceivers?

To restrict the transmitter voice bandwidth
To reduce interference from carriers in the receiver passband
To eliminate receiver interference from impulse noise sources
To enhance the reception of a specific frequency on a crowded band

G4B05: Why is high input impedance desirable for a voltmeter?

It improves the frequency response
It decreases battery consumption in the meter
It improves the resolution of the readings
It decreases the loading on circuits being measured

G4C05: What might be the problem if you receive an RF burn when touching your equipment while transmitting on an HF band, assuming the equipment is connected to a ground rod?

Flat braid rather than round wire has been used for the ground wire
Insulated wire has been used for the ground wire
The ground rod is resonant
The ground wire has high impedance on that frequency

G4D02: Which of the following describes how a speech processor affects a transmitted single sideband phone signal?

It increases peak power
It increases average power
It reduces harmonic distortion
It reduces intermodulation distortion

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

G5B08: What is the peak-to-peak voltage of a sine wave that has an RMS voltage of 120 volts?

84.8 volts
169.7 volts
240.0 volts
339.4 volts

G5C03: Which of the following components should be added to an existing resistor to increase the resistance?

A resistor in parallel
A resistor in series
A capacitor in series
A capacitor in parallel

G6A12: What is a common name for an inductor used to help smooth the DC output from the rectifier in a conventional power supply?

Back EMF choke
Repulsion coil
Charging inductor
Filter choke

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

G6C11: What is a microprocessor?

A low power analog signal processor used as a microwave detector
A computer on a single integrated circuit
A microwave detector, amplifier, and local oscillator on a single integrated circuit
A low voltage amplifier used in a microwave transmitter modulator stage

G7A05: What portion of the AC cycle is converted to DC by a half-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

G7C11: What is meant by the term "software defined radio" (SDR)?

A radio in which most major signal processing functions are performed by software
A radio which provides computer interface for automatic logging of band and frequency
A radio which uses crystal filters designed using software
A computer model which can simulate performance of a radio to aid in the design process

G8A10: What is meant by flat-topping of a single-sideband phone transmission?

Signal distortion caused by insufficient collector current
The transmitter's automatic level control is properly adjusted
Signal distortion caused by excessive drive
The transmitter's carrier is properly suppressed

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?


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

G9D10: Which of the following describes a Beverage antenna?

A vertical antenna constructed from beverage cans
A broad-band mobile antenna
A helical antenna for space reception
A very long and low directional receiving antenna