US Amateur Radio - General (Element 3, 2015-2019) Practice Test

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US Amateur Radio - General (Element 3, 2015-2019) Practice Test

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1. - G1A04

Which of the following amateur bands is restricted to communication on only specific channels, rather than frequency ranges?

Select	Answer
A	11 meters
B	12 meters
C	60 meters
D	30 meters

2. - G1B03

Which of the following is a purpose of a beacon station as identified in the FCC rules?

Select	Answer
A	Transmission of bulletins of general interest to Amateur Radio licensees
B	Identifying net frequencies
C	Automatic identification of repeaters
D	Observation of propagation and reception

3. - G1C11

What is the maximum symbol rate permitted for RTTY or data emission transmissions on the 2-meter band?

Select	Answer
A	56 kilobaud
B	1200 baud
C	300 baud
D	19.6 kilobaud

4. - G1D01

Who may receive credit for the elements represented by an expired amateur radio license?

Select	Answer
A	Anyone who held an FCC issued amateur radio license that has been expired for not less than 5 years and not more than 15 years
B	Any person who previously held an amateur license issued by another country, but only if that country has a current reciprocal licensing agreement with the FCC
C	Any person who can demonstrate that they once held an FCC issued General, Advanced, or Amateur Extra class license that was not revoked by the FCC
D	Only persons who once held an FCC issued Novice, Technician, or Technician Plus license

5. - G1E05

What types of messages for a third party in another country may be transmitted by an amateur station?

Select	Answer
A	Only messages relating to Amateur Radio or remarks of a personal character, or messages relating to emergencies or disaster relief
B	Only messages for other licensed amateurs
C	Any message, as long as the amateur operator is not paid
D	Any messages, as long as the text of the message is recorded in the station log

6. - G2A09

Why do most amateur stations use lower sideband on the 160-meter, 75-meter and 40-meter bands?

Select	Answer
A	Current amateur practice is to use lower sideband on these frequency bands
B	Because it is fully compatible with an AM detector
C	Lower sideband is the only sideband legal on these frequency bands
D	Lower sideband is more efficient than upper sideband at these frequencies

7. - G2B09

Who may be the control operator of an amateur station transmitting in RACES to assist relief operations during a disaster?

Select	Answer
A	A person holding an FCC issued amateur operator license or an appropriate government official
B	Only a person holding an FCC issued amateur operator license
C	Only a RACES net control operator
D	Any control operator when normal communication systems are operational

8. - G2C03

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

Select	Answer
A	Closing station now
B	Listening for novice stations
C	Listening only for a specific station or stations
D	Operating full break-in

9. - G2D10

What is QRP operation?

Select	Answer
A	Traffic relay procedure net operation
B	Transmission using Quick Response Protocol
C	Remote piloted model control
D	Low power transmit operation

10. - G2E01

Which mode is normally used when sending an RTTY signal via AFSK with an SSB transmitter?

Select	Answer
A	LSB
B	USB
C	DSB
D	CW

11. - G3A11

Approximately how long is the typical sunspot cycle?

Select	Answer
A	28 days
B	8 minutes
C	40 hours
D	11 years

12. - G3B10

What is the approximate maximum distance along the Earth's surface that is normally covered in one hop using the E region?

Select	Answer
A	2,500 miles
B	12,000 miles
C	180 miles
D	1,200 miles

13. - G3C03

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

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

14. - G4A12

Which of the following is a common use for the dual VFO feature on a transceiver?

Select	Answer
A	To allow transmitting on two frequencies at once
B	To permit full duplex operation, that is transmitting and receiving at the same time
C	To facilitate computer interface
D	To permit monitoring of two different frequencies

15. - G4B06

What is an advantage of a digital voltmeter as compared to an analog voltmeter?

Select	Answer
A	Better for measuring computer circuits
B	Better for RF measurements
C	Better precision for most uses
D	Faster response

16. - G4C03

What sound is heard from an audio device or telephone if there is interference from a nearby single sideband phone transmitter?

Select	Answer
A	Clearly audible speech
B	Distorted speech
C	A steady hum whenever the transmitter is on the air
D	On-and-off humming or clicking

17. - G4D02

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

Select	Answer
A	It reduces harmonic distortion
B	It increases peak power
C	It reduces intermodulation distortion
D	It increases average power

18. - G4E08

What is the name of the process by which sunlight is changed directly into electricity?

Select	Answer
A	Photon emission
B	Photosynthesis
C	Photon decomposition
D	Photovoltaic conversion

19. - G5A05

How does an inductor react to AC?

Select	Answer
A	As the amplitude of the applied AC increases, the reactance decreases
B	As the amplitude of the applied AC increases, the reactance increases
C	As the frequency of the applied AC increases, the reactance decreases
D	As the frequency of the applied AC increases, the reactance increases

20. - G5B02

How does the total current relate to the individual currents in each branch of a purely resistive parallel circuit?

Select	Answer
A	It decreases as more parallel branches are added to the circuit
B	It equals the sum of the currents through each branch
C	It is the sum of the reciprocal of each individual voltage drop
D	It equals the average of each branch current

21. - G5C03

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

Select	Answer
A	A resistor in parallel
B	A capacitor in series
C	A capacitor in parallel
D	A resistor in series

22. - G6A01

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

Select	Answer
A	8.5 volts
B	12 volts
C	10.5 volts
D	6 volts

23. - G6B17

What is the general description of a DIN type connector?

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

24. - G7A04

What is the peak-inverse-voltage across the rectifier in a half-wave power supply?

Select	Answer
A	One-half the normal peak output voltage of the power supply
B	Two times the normal peak output voltage of the power supply
C	Equal to the normal output voltage of the power supply
D	One-half the normal output voltage of the power supply

25. - G7B04

Which of the following describes the function of a two input NOR gate?

Select	Answer
A	Output is high when either or both inputs are low
B	Output is low only when both inputs are high
C	Output is high only when both inputs are high
D	Output is low when either or both inputs are high

26. - G7C03

What circuit is used to process signals from the RF amplifier and local oscillator then send the result to the IF filter in a superheterodyne receiver?

Select	Answer
A	Mixer
B	Balanced modulator
C	Detector
D	IF amplifier

27. - G8A02

What is the name of the process that changes the phase angle of an RF wave to convey information?

Select	Answer
A	Radian inversion
B	Phase modulation
C	Phase convolution
D	Angle convolution

28. - G8B05

What is the approximate bandwidth of a PACTOR3 signal at maximum data rate?

Select	Answer
A	1800 Hz
B	500 Hz
C	31.5 Hz
D	2300 Hz

29. - G8C08

Which of the following statements is true about PSK31?

Select	Answer
A	Upper case letters use longer Varicode signals and thus slow down transmission
B	Upper case letters make the signal stronger
C	Higher power is needed as compared to RTTY for similar error rates
D	Varicode Error Correction is used to ensure accurate message reception

30. - G9A13

What standing wave ratio will result when connecting a 50 ohm feed line to an antenna that has a purely resistive 300 ohm feed point impedance?

Select	Answer
A	6:1
B	3:1
C	1.5:1
D	You cannot determine SWR from impedance values

31. - G9B04

What is the radiation pattern of a dipole antenna in free space in the plane of the conductor?

Select	Answer
A	It is a figure-eight at right angles to the antenna
B	It has a pair of lobes on one side of the antenna and a single lobe on the other side
C	It is a figure-eight off both ends of the antenna
D	It is a circle (equal radiation in all directions)

32. - G9C12

Which of the following is an advantage of using a gamma match for impedance matching of a Yagi antenna to 50 ohm coax feed line?

Select	Answer
A	All of these choices are correct
B	It is useful for matching multiband antennas
C	It does not require that the elements be insulated from the boom
D	It does not require any inductors or capacitors

33. - G9D02

Which of the following is an advantage of an NVIS antenna?

Select	Answer
A	All of these choices are correct
B	High vertical angle radiation for working stations within a radius of a few hundred kilometers
C	High forward gain
D	Low vertical angle radiation for working stations out to ranges of several thousand kilometers

34. - G0A02

Which of the following properties is important in estimating whether an RF signal exceeds the maximum permissible exposure (MPE)?

Select	Answer
A	Its duty cycle
B	Its power density
C	Its frequency
D	All of these choices are correct

35. - G0B04

Which of the following is a primary reason for not placing a gasoline-fueled generator inside an occupied area?

Select	Answer
A	Lack of oxygen for adequate combustion
B	Lack of nitrogen for adequate combustion
C	Danger of engine over torque
D	Danger of carbon monoxide poisoning