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

G0B02: What is the minimum wire size that may be safely used for a circuit that draws up to 20 amperes of continuous current?

AWG number 20
AWG number 16
AWG number 12
AWG number 8

G1A11: Which of the following frequencies is available to a control operator holding a General Class license?

28.020 MHz
28.350 MHz
28.550 MHz
All of these choices are correct

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

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

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

G1E06: Which of the following applies in the event of interference between a coordinated repeater and an uncoordinated repeater?

The licensee of the non-coordinated repeater has primary responsibility to resolve the interference
The licensee of the coordinated repeater has primary responsibility to resolve the interference
Both repeater licensees share equal responsibility to resolve the interference
The frequency coordinator bears primary responsibility to resolve the interference

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

G2B08: What is the 'DX window' in a voluntary band plan?

A portion of the band that should not be used for contacts between stations within the 48 contiguous United States
An FCC rule that prohibits contacts between stations within the United States and possessions on that band segment
An FCC rule that allows only digital contacts in that portion of the band
A portion of the band that has been voluntarily set aside for digital contacts only

G2C02: What should you do if a CW station sends "QRS"?

Send slower
Change frequency
Increase your power
Repeat everything twice

G2D11: Which HF antenna would be the best to use for minimizing interference?

A quarter-wave vertical antenna
An isotropic antenna
A unidirectional antenna
An omnidirectional antenna

G2E03: What part of a data packet contains the routing and handling information?

Directory
Preamble
Header
Footer

G3A04: Which of the following amateur radio HF frequencies are least reliable for long distance communications during periods of low solar activity?

3.5 MHz and lower
7 MHz
10 MHz
21 MHz and higher

G3B05: What usually happens to radio waves with frequencies below the Maximum Usable Frequency (MUF) and above the Lowest Usable Frequency (LUF) when they are sent into the ionosphere?

They are bent back to the Earth
They pass through the ionosphere
They are amplified by interaction with the ionosphere
They are bent and trapped in the ionosphere to circle the Earth

G3C02: Where on the Earth do ionospheric layers reach their maximum height?

Where the Sun is overhead
Where the Sun is on the opposite side of the Earth
Where the Sun is rising
Where the Sun has just set

G4A05: What is a purpose of using Automatic Level Control (ALC) with a RF power amplifier?

To balance the transmitter audio frequency response
To reduce harmonic radiation
To reduce distortion due to excessive drive
To increase overall efficiency

G4B16: What signals are used to conduct a two-tone test?

Two audio signals of the same frequency shifted 90-degrees
Two non-harmonically related audio signals
Two swept frequency tones
Two audio frequency range square wave signals of equal amplitude

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

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

G4E04: Why is it best NOT to draw the DC power for a 100-watt HF transceiver from an automobile's auxiliary power socket?

The socket is not wired with an RF-shielded power cable
The socket's wiring may be inadequate for the current being drawn by the
The DC polarity of the socket is reversed from the polarity of modern HF
Drawing more than 50 watts from this socket could cause the engine to overheat

G5A13: Which of the following devices can be used for impedance matching at radio frequencies?

A transformer
A Pi-network
A length of transmission line
All of these choices are correct

G5B14: What is the output PEP from a transmitter if an oscilloscope measures 500 volts peak-to-peak across a 50-ohm resistor connected to the transmitter output?

8.75 watts
625 watts
2500 watts
5000 watts

G5C05: If three equal value resistors in parallel produce 50 ohms of resistance, and the same three resistors in series produce 450 ohms, what is the value of each resistor?

1500 ohms
90 ohms
150 ohms
175 ohms

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

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

G7A12: Which symbol in Figure G7-1 represents a multiple-winding transformer?

Symbol 4
Symbol 7
Symbol 6
Symbol 1

G7B11: For which of the following modes is a Class C power stage appropriate for amplifying a modulated signal?

SSB
CW
AM
All of these choices are correct

G7C04: What circuit is used to combine signals from the IF amplifier and BFO and send the result to the AF amplifier in a single-sideband receiver?

RF oscillator
IF filter
Balanced modulator
Product detector

G8A06: What is one advantage of carrier suppression in a single-sideband phone transmission?

Audio fidelity is improved
Greater modulation percentage is obtainable with lower distortion
The available transmitter power can be used more effectively
Simpler receiving equipment can be used

G8B02: If a receiver mixes a 13.800 MHz VFO with a 14.255 MHz received signal to produce a 455 kHz intermediate frequency (IF) signal, what type of interference will a 13.345 MHz signal produce in the receiver?

Quadrature noise
Image response
Mixer interference
Intermediate interference

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

50 ohms
75 ohms
100 ohms
300 ohms

G9B06: Where should the radial wires of a ground-mounted vertical antenna system be placed?

As high as possible above the ground
Parallel to the antenna element
On the surface or buried a few inches below the ground
At the top of the antenna

G9C04: Which statement about a three-element; single-band Yagi antenna is true?

The reflector is normally the longest parasitic element
The director is normally the longest parasitic element
The reflector is normally the shortest parasitic element
All of the elements must be the same length

G9D04: What is the primary purpose of antenna traps?

To permit multiband operation
To notch spurious frequencies
To provide balanced feed-point impedance
To prevent out of band operation