Ham General License Practice Quiz

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

G0A09: What type of instrument can be used to accurately measure an RF field?

A receiver with an S meter
A calibrated field-strength meter with a calibrated antenna
A betascope with a dummy antenna calibrated at 50 ohms
An oscilloscope with a high-stability crystal marker generator

G0B08: What should be done by any person preparing to climb a tower that supports electrically powered devices?

Notify the electric company that a person will be working on the tower
Make sure all circuits that supply power to the tower are locked out and tagged
Unground the base of the tower
All of these choices are correct

G1A13: Which, if any, amateur band is shared with the Citizens Radio Service?

10 meters
12 meters
15 meters

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

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

G1D04: Which of the following is a requirement for administering a Technician Class operator examination?

At least three VEC accredited General Class or higher VEs must be present
At least two VEC accredited General Class or higher VEs must be present
At least two General Class or higher VEs must be present, but only one need be VEC accredited
At least three VEs of Technician Class or higher must be present

G1E01: Which of the following would disqualify a third party from participating in stating a message over an amateur station?

The third party's amateur license had ever been revoked
The third party is not a U.S. citizen
The third party is a licensed amateur
The third party is speaking in a language other than English, French, or Spanish

G2A01: Which sideband is most commonly used for voice communications on frequencies of 14 MHz or higher?

Upper sideband
Lower sideband
Vestigial sideband
Double sideband

G2B05: What is the customary minimum frequency separation between SSB signals under normal conditions?

Between 150 and 500 Hz
Approximately 3 kHz
Approximately 6 kHz
Approximately 10 kHz

G2C04: What does it mean when a CW operator sends "CL" at the end of a transmission?

Keep frequency clear
Operating full break-in
Listening only for a specific station or stations
Closing station

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

G2E09: In what segment of the 20 meter band are most PSK31 operations commonly found?

At the bottom of the slow-scan TV segment, near 14.230 MHz
At the top of the SSB phone segment near 14.325 MHz
In the middle of the CW segment, near 14.100 MHz
Below the RTTY segment, near 14.070 MHz

G3A03: Approximately how long does it take the increased ultraviolet and X-ray radiation from solar flares to affect radio-wave propagation on the Earth?

28 days
1 to 2 hours
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

G4A10: What is the purpose of an electronic keyer?

Automatic transmit/receive switching
Automatic generation of strings of dots and dashes for CW operation
VOX operation
Computer interface for PSK and RTTY operation

G4B01: What item of test equipment contains horizontal and vertical channel amplifiers?

An ohmmeter
A signal generator
An ammeter
An oscilloscope

G4C06: What effect can be caused by a resonant ground connection?

Overheating of ground straps
Corrosion of the ground rod
High RF voltages on the enclosures of station equipment
A ground loop

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

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

G5B06: What is the output PEP from a transmitter if an oscilloscope measures 200 volts peak-to-peak across a 50-ohm dummy load connected to the transmitter output?

1.4 watts
100 watts
353.5 watts
400 watts

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

The secondary
The primary
The core
The plates

G6A09: What is an advantage of using a ferrite core toroidal inductor?

Large values of inductance may be obtained
The magnetic properties of the core may be optimized for a specific range of frequencies
Most of the magnetic field is contained in the core
All of these choices are correct

G6B13: What is an advantage of the low internal resistance of nickel-cadmium batteries?

Long life
High discharge current
High voltage
Rapid recharge

G6C01: Which of the following is an analog integrated circuit?

Frequency Counter
Linear voltage regulator

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

Transformers and transducers
Quartz crystals
Capacitors and inductors

G7B09: What determines the frequency of an LC oscillator?

The number of stages in the counter
The number of stages in the divider
The inductance and capacitance in the tank circuit
The time delay of the lag circuit

G7C09: Which of the following is needed for a Digital Signal Processor IF filter?

An analog to digital converter
A digital to analog converter
A digital processor chip
All of the these choices are correct

G8A04: What emission is produced by a reactance modulator connected to an RF power amplifier?

Multiplex modulation
Phase modulation
Amplitude modulation
Pulse modulation

G8B12: What is the relationship between transmitted symbol rate and bandwidth?

Symbol rate and bandwidth are not related
Higher symbol rates require higher bandwidth
Lower symbol rates require higher bandwidth
Bandwidth is constant for data mode signals

G9A06: In what values are RF feed line losses usually expressed?

ohms per 1000 ft
dB per 1000 ft
ohms per 100 ft
dB per 100 ft

G9B09: Which of the following is an advantage of a horizontally polarized as compared to vertically polarized HF antenna?

Lower ground reflection losses
Lower feed-point impedance
Shorter Radials
Lower radiation resistance

G9C16: How does the gain of a two-element delta-loop beam compare to the gain of a two-element quad antenna?

3 dB higher
3 dB lower
2.54 dB higher
About the same

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