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. - G1A08

Which of the following frequencies is within the General Class portion of the 80-meter band?

Select	Answer
A	3650 kHz
B	2560 kHz
C	1855 kHz
D	3560 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 the rules of the IARU
B	In conformance with Amateur Radio custom
C	In conformance with good engineering and good amateur practice
D	All of these choices are correct

3. - G1C03

What is the maximum bandwidth permitted by FCC rules for Amateur Radio stations transmitting on USB frequencies in the 60-meter band?

Select	Answer
A	1.8 kHz
B	3 kHz
C	2.8 kHz
D	5.6 kHz

4. - G1D07

Volunteer Examiners are accredited by what organization?

Select	Answer
A	The Universal Licensing System
B	The Wireless Telecommunications Bureau
C	A Volunteer Examiner Coordinator
D	The Federal Communications Commission

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	Only messages relating to Amateur Radio or remarks of a personal character, or messages relating to emergencies or disaster relief
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. - G2A03

Which of the following is most commonly used for SSB voice communications in the VHF and UHF bands?

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

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

8. - G2C11

What does the Q signal "QRV" mean?

Select	Answer
A	I am ready to receive messages
B	There is interference on the frequency
C	I am quitting for the day
D	You are sending too fast

9. - G2D05

When is it permissible to communicate with amateur stations in countries outside the areas administered by the Federal Communications Commission?

Select	Answer
A	Only when the foreign country has a formal third party agreement filed with the FCC
B	When the contact is with amateurs in any country except those whose administrations have notified the ITU that they object to such communications
C	Only when the foreign country is a member of the International Amateur Radio Union
D	When the contact is with amateurs in any country as long as the communication is conducted in English

10. - G2E14

What could be wrong if you cannot decode an RTTY or other FSK signal even though it is apparently tuned in properly?

Select	Answer
A	You may have selected the wrong baud rate
B	You may be listening on the wrong sideband
C	The mark and space frequencies may be reversed
D	All of these choices are correct

11. - G3A01

What is the significance of the sunspot number with regard to HF propagation?

Select	Answer
A	Higher sunspot numbers generally indicate a greater probability of good propagation at higher frequencies
B	A zero sunspot number indicate radio propagation is not possible on any band
C	Lower sunspot numbers generally indicate greater probability of sporadic E propagation
D	All of these choices are correct.

12. - G3B08

What does MUF stand for?

Select	Answer
A	The Maximum Usable Frequency for communications between two points
B	The Minimum Usable Frequency for communications between two points
C	The Maximum Usable Frequency during a 24 hour period
D	The Minimum Usable Frequency during a 24 hour period

13. - G3C08

Why are HF scatter signals in the skip zone usually weak?

Select	Answer
A	Propagations is through ducts in F region which absorb most of the energy
B	Only a small part of the signal energy is scattered into the skip zone
C	Signals are scattered from the magnetosphere which is not a good reflector
D	Propagation is through ground waves which absorb most of the signal energy

14. - G4A10

What is the purpose of an electronic keyer?

Select	Answer
A	Automatic transmit/receive switching
B	Automatic generation of strings of dots and dashes for CW operation
C	Computer interface for PSK and RTTY operation
D	VOX operation

15. - G4B10

Which of the following can be determined with a directional wattmeter?

Select	Answer
A	Antenna front-to-back ratio
B	RF interference
C	Radio wave propagation
D	Standing wave ratio

16. - G4C05

What might be the problem if you receive an RF burn when touching your equipment while transmitting on an HF band, assuming the equipment is connected to a ground rod?

Select	Answer
A	Insulated wire has been used for the ground wire
B	The ground rod is resonant
C	The ground wire has high impedance on that frequency
D	Flat braid rather than round wire has been used for the ground wire

17. - G4D10

How close to the lower edge of the 40-meter General Class phone segment should your displayed carrier frequency be when using 3 kHz wide LSB?

Select	Answer
A	At least 1 kHz above the edge of the segment
B	At least 3 kHz below the edge of the segment
C	At least 3 kHz above the edge of the segment
D	Your displayed carrier frequency may be set at the edge of the segment

18. - G4E08

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

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

19. - G5A09

What unit is used to measure reactance?

Select	Answer
A	Ampere
B	Farad
C	Ohm
D	Siemens

20. - 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?

Select	Answer
A	353.5 watts
B	100 watts
C	400 watts
D	1.4 watts

21. - G5C17

What is the value in nanofarads (nF) of a 22,000 pF capacitor?

Select	Answer
A	2.2 nF
B	0.22 nF
C	22 nF
D	220 nF

22. - G6A19

How should the winding axes of two solenoid inductors be oriented to minimize their mutual inductance?

Select	Answer
A	Interleaved
B	In line
C	Parallel to each other
D	At right angles to each other

23. - G6B13

Which of these connector types is commonly used for RF connections at frequencies up to 150 MHz?

Select	Answer
A	Octal
B	DB-25
C	RJ-11
D	PL-259

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

25. - G7B11

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

Select	Answer
A	CW
B	SSB
C	AM
D	All of these choices are correct

26. - G7C01

Which of the following is used to process signals from the balanced modulator then send them to the mixer in some single sideband phone transmitters?

Select	Answer
A	Carrier oscillator
B	IF amplifier
C	Filter
D	RF amplifier

27. - G8A09

What control is typically adjusted for proper ALC setting on an amateur single sideband transceiver?

Select	Answer
A	Antenna inductance or capacitance
B	Transmit audio or microphone gain
C	Attenuator level
D	The RF clipping level

28. - G8B05

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

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

29. - G8C11

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

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

30. - G9A04

What might cause reflected power at the point where a feed line connects to an antenna?

Select	Answer
A	Operating an antenna at its resonant frequency
B	A difference between feed line impedance and antenna feed point impedance
C	Feeding the antenna with unbalanced feed line
D	Using more transmitter power than the antenna can handle

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

32. - G9C18

What happens when the feed point of a quad antenna of any shape is moved from the midpoint of the top or bottom to the midpoint of either side?

Select	Answer
A	There is no change in polarization
B	The polarization of the radiated signal changes from horizontal to vertical
C	The radiated signal becomes circularly polarized
D	The polarization of the radiated signal changes from vertical to horizontal

33. - G9D04

What is the primary purpose of antenna traps?

Select	Answer
A	To provide balanced feed point impedance
B	To notch spurious frequencies
C	To permit multiband operation
D	To prevent out of band operation

34. - G0A06

What precaution should be taken when installing a ground-mounted antenna?

Select	Answer
A	It should not be installed higher than you can reach
B	It should not be installed in a wet area
C	It should limited to 10 feet in height
D	It should be installed such that it is protected against unauthorized access

35. - G0B07

Which of these choices should be observed when climbing a tower using a safety belt or harness?

Select	Answer
A	All of these choices are correct
B	Ensure that all heavy tools are securely fastened to the belt D-ring
C	Never lean back and rely on the belt alone to support your weight
D	Confirm that the belt is rated for the weight of the climber and that it is within its allowable service life