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. - G1A07

Which of the following frequencies is within the General Class portion of the 20-meter phone band?

Select	Answer
A	14005 kHz
B	14305 kHz
C	14105 kHz
D	14405 kHz

2. - G1B11

How does the FCC require an amateur station to be operated in all respects not specifically covered by the Part 97 rules?

Select	Answer
A	In conformance with good engineering and good amateur practice
B	In conformance with Amateur Radio custom
C	In conformance with the rules of the IARU
D	All of these choices are correct

3. - G1C11

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

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

4. - G1D05

Which of the following must a person have before they can be an administering VE for a Technician Class license examination?

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

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

6. - G2A02

Which of the following modes is most commonly used for voice communications on the 160-meter, 75-meter, and 40-meter bands?

Select	Answer
A	Lower sideband
B	Double sideband
C	Vestigial sideband
D	Upper sideband

7. - G2B11

What frequency should be used to send a distress call?

Select	Answer
A	Only frequencies that are within your operating privileges
B	Only frequencies authorized for RACES or ARES stations
C	Whichever frequency has the best chance of communicating the distress message
D	Only frequencies used by police, fire or emergency medical services

8. - G2C08

What prosign is sent to indicate the end of a formal message when using CW?

Select	Answer
A	KN
B	BK
C	SK
D	AR

9. - G2D02

Which of the following are objectives of the Amateur Auxiliary?

Select	Answer
A	To encourage self-regulation and compliance with the rules by radio amateur operators
B	To coordinate repeaters for efficient and orderly spectrum usage
C	To conduct efficient and orderly amateur licensing examinations
D	To provide emergency and public safety communications

10. - G2E06

What is the most common frequency shift for RTTY emissions in the amateur HF bands?

Select	Answer
A	170 Hz
B	85 Hz
C	425 Hz
D	850 Hz

11. - G3A16

What is a possible benefit to radio communications resulting from periods of high geomagnetic activity?

Select	Answer
A	Higher signal strength for HF signals passing through the polar regions
B	Auroras that can reflect VHF signals
C	Improved HF long path propagation
D	Reduced long delayed echoes

12. - G3B07

What does LUF stand for?

Select	Answer
A	The Lowest Usable Frequency during a 24 hour period
B	The Longest Universal Function for communications between two points
C	The Longest Universal Function during a 24 hour period
D	The Lowest Usable Frequency for communications between two points

13. - G3C12

Which ionospheric layer is the most absorbent of long skip signals during daylight hours on frequencies below 10 MHz?

Select	Answer
A	The F1 layer
B	The D layer
C	The E layer
D	The F2 layer

14. - G4A03

What is normally meant by operating a transceiver in "split" mode?

Select	Answer
A	The transmitter is emitting an SSB signal, as opposed to DSB operation
B	The transceiver is operating from an external power source
C	The transceiver is set to different transmit and receive frequencies
D	The radio is operating at half power

15. - G4B14

What is an instance in which the use of an instrument with analog readout may be preferred over an instrument with a digital readout?

Select	Answer
A	When testing logic circuits
B	When adjusting tuned circuits
C	When measuring the frequency of an oscillator
D	When high precision is desired

16. - G4C02

Which of the following could be a cause of interference covering a wide range of frequencies?

Select	Answer
A	Using a balun to feed an unbalanced antenna
B	Lack of rectification of the transmitter's signal in power conductors
C	Not using a balun or line isolator to feed balanced antennas
D	Arcing at a poor electrical connection

17. - G4D04

What does an S meter measure?

Select	Answer
A	Conductance
B	Transmitter power output
C	Impedance
D	Received signal strength

18. - G4E03

Which of the following direct, fused power connections would be the best for a 100 watt HF mobile installation?

Select	Answer
A	To the battery using heavy gauge wire
B	To the battery using resistor wire
C	To the alternator or generator using heavy gauge wire
D	To the alternator or generator using resistor wire

19. - G5A02

What is reactance?

Select	Answer
A	A property of ideal resistors in AC circuits
B	Opposition to the flow of direct current caused by resistance
C	A large spark produced at switch contacts when an inductor is de-energized
D	Opposition to the flow of alternating current caused by capacitance or inductance

20. - G5B05

How many watts are dissipated when a current of 7.0 milliamperes flows through 1.25 kilohms resistance?

Select	Answer
A	Approximately 61 milliwatts
B	Approximately 11 milliwatts
C	Approximately 61 watts
D	Approximately 11 watts

21. - G5C14

Which of the following components should be added to an inductor to increase the inductance?

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

22. - G6A05

What is the approximate junction threshold voltage of a conventional silicon diode?

Select	Answer
A	0.7 volts
B	0.3 volts
C	1.0 volts
D	0.1 volt

23. - G6B10

What two devices in an Amateur Radio station might be connected using a USB interface?

Select	Answer
A	Power supply and amplifier
B	Amplifier and antenna
C	Computer and transceiver
D	Microphone and transceiver

24. - G7A10

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

Select	Answer
A	Symbol 4
B	Symbol 5
C	Symbol 1
D	Symbol 11

25. - G7B07

What are the basic components of virtually all sine wave oscillators?

Select	Answer
A	A frequency multiplier and a mixer
B	A filter and an amplifier operating in a feedback loop
C	A circulator and a filter operating in a feed-forward loop
D	An amplifier and a divider

26. - G7C11

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

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

27. - G8A04

What emission is produced by a reactance modulator connected to a transmitter RF amplifier stage?

Select	Answer
A	Phase modulation
B	Pulse modulation
C	Amplitude modulation
D	Multiplex modulation

28. - G8B10

What is the relationship between transmitted symbol rate and bandwidth?

Select	Answer
A	Bandwidth is always half the symbol rate
B	Lower symbol rates require wider bandwidth
C	Higher symbol rates require wider bandwidth
D	Symbol rate and bandwidth are not related

29. - G8C11

How are the two separate frequencies of a Frequency Shift Keyed (FSK) signal identified?

Select	Answer
A	On and Off
B	High and Low
C	Dot and Dash
D	Mark and Space

30. - G9A14

What is the interaction between high standing wave ratio (SWR) and transmission line loss?

Select	Answer
A	High SWR makes it difficult to measure transmission line loss
B	There is no interaction between transmission line loss and SWR
C	High SWR reduces the relative effect of transmission line loss
D	If a transmission line is lossy, high SWR will increase the loss

31. - G9B08

How does the feed point impedance of a 1/2 wave dipole change as the feed point is moved from the center toward the ends?

Select	Answer
A	It is unaffected by the location of the feed point
B	It steadily increases
C	It steadily decreases
D	It peaks at about 1/8 wavelength from the end

32. - G9C19

How does antenna gain stated in dBi compare to gain stated in dBd for the same antenna?

Select	Answer
A	dBi gain figures are the reciprocal of dBd gain figures + 2.15 dB
B	dBi gain figures are the same as the square root of dBd gain figures multiplied by 2.15
C	dBi gain figures are 2.15 dB higher than dBd gain figures
D	dBi gain figures are 2.15 dB lower then dBd gain figures

33. - G9D05

What is an advantage of vertical stacking of horizontally polarized Yagi antennas?

Select	Answer
A	It narrows the main lobe in azimuth
B	It narrows the main lobe in elevation
C	It allows simultaneous vertical and horizontal polarization
D	It allows quick selection of vertical or horizontal polarization

34. - 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 FCC Part 97.13?

Select	Answer
A	Post a copy of OET Bulletin 65 in the station
B	All of these choices are correct
C	Perform a routine RF exposure evaluation
D	Post a copy of FCC Part 97.13 in the station

35. - G0B04

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

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

Figure G7-1