Ham General License Practice Quiz


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

G0A04: What does "time averaging" mean in reference to RF radiation exposure?

The average time of day when the exposure occurs
The average time it takes RF radiation to have any long-term effect on the body
The total time of the exposure
The total RF exposure averaged over a certain time

G0B03: Which size of fuse or circuit breaker would be appropriate to use with a circuit that uses AWG number 14 wiring?

100 amperes
60 amperes
30 amperes
15 amperes

G1A03: On which of the following bands is image transmission prohibited?

160 meters
30 meters
20 meters
12 meters

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

G1C08: What is the maximum symbol rate permitted for RTTY or data emission transmitted at frequencies below 28 MHz?

56 kilobaud
19.6 kilobaud
1200 baud
300 baud

G1D08: Which of the following criteria must be met for a non-U.S. citizen to be an accredited Volunteer Examiner?

The person must be a resident of the U.S. for a minimum of 5 years
The person must hold an FCC granted Amateur Radio license of General Class or above
The person's home citizenship must be in the ITU 2 region
None of these choices is correct; non-U.S. citizens cannot be volunteer examiners

G1E08: Which of the following is a requirement for a non-licensed person to communicate with a foreign Amateur Radio station from a station with an FCC granted license at which a licensed control operator is present?

Information must be exchanged in English
The foreign amateur station must be in a country with which the United States has a third party agreement
The control operator must have at least a General Class license
All of these choices are correct

G2A05: Which mode of voice communication is most commonly used on the high frequency amateur bands?

Frequency modulation
Double sideband
Single sideband
Phase modulation

G2B01: Which of the following is true concerning access to frequencies?

Nets always have priority
QSO's in process always have priority
No one has priority access to frequencies, common courtesy should be a guide
Contest operations must always yield to non-contest use of frequencies

G2C07: When sending CW, what does a 'C' mean when added to the RST report?

Chirpy or unstable signal
Report was read from S meter reading rather than estimated
100 percent copy
Key clicks

G2D06: How is a directional antenna pointed when making a 'long-path' contact with another station?

Toward the rising Sun
Along the gray line
180 degrees from its short-path heading
Toward the north

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

G3A01: What is the sunspot number?

A measure of solar activity based on counting sunspots and sunspot groups
A 3 digit identifier which is used to track individual sunspots
A measure of the radio flux from the Sun measured at 10.7 cm
A measure of the sunspot count based on radio flux measurements

G3B03: Which of the following applies when selecting a frequency for lowest attenuation when transmitting on HF?

Select a frequency just below the MUF
Select a frequency just above the LUF
Select a frequency just below the critical frequency
Select a frequency just above the critical frequency

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

G4A09: Why is a time delay sometimes included in a transmitter keying circuit?

To prevent stations from talking over each other
To allow the transmitter power regulators to charge properly
To allow time for transmit-receive changeover operations to complete properly before RF output is allowed
To allow time for a warning signal to be sent to other stations

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

G4C08: Which of the following would reduce RF interference caused by common-mode current on an audio cable?

Placing a ferrite bead around the cable
Adding series capacitors to the conductors
Adding shunt inductors to the conductors
Adding an additional insulating jacket to the cable

G4D06: Where is an S meter found?

In a receiver
In an SWR bridge
In a transmitter
In a conductance bridge

G4E05: Which of the following most limits the effectiveness of an HF mobile transceiver operating in the 75 meter band?

'Picket Fencing' signal variation
The wire gauge of the DC power line to the transceiver
The antenna system
FCC rules limiting mobile output power on the 75 meter band

G5A03: Which of the following causes opposition to the flow of alternating current in an inductor?

Conductance
Reluctance
Admittance
Reactance

G5B11: What is the ratio of peak envelope power to average power for an unmodulated carrier?

.707
1.00
1.414
2.00

G5C09: What is the capacitance of three 100 microfarad capacitors connected in series?

.30 microfarads
.33 microfarads
33.3 microfarads
300 microfarads

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

G6B07: What are the stable operating points for a bipolar transistor used as a switch in a logic circuit?

Its saturation and cut-off regions
Its active region (between the cut-off and saturation regions)
Its peak and valley current points
Its enhancement and deletion modes

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

G7A10: Which symbol in figure G7-1 represents a Zener diode?

Symbol 4
Symbol 1
Symbol 11
Symbol 5

G7B08: How is the efficiency of an RF power amplifier determined?

Divide the DC input power by the DC output power
Divide the RF output power by the DC input power
Multiply the RF input power by the reciprocal of the RF output power
Add the RF input power to the DC output power

G7C02: Which circuit is used to combine signals from the carrier oscillator and speech amplifier and send the result to the filter in a typical single-sideband phone transmitter?

Discriminator
Detector
IF amplifier
Balanced modulator

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

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

G9A09: What standing wave ratio will result from the connection of a 50-ohm feed line to a non-reactive load having a 200-ohm impedance?

4:1
1:4
2:1
1:2

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

G9C05: How does increasing boom length and adding directors affect a Yagi antenna?

Gain increases
Beamwidth increases
Weight decreases
Wind load decreases

G9D08: Why is a Beverage antenna not used for transmitting?

Its impedance is too low for effective matching
It has high losses compared to other types of antennas
It has poor directivity
All of these choices are correct