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. - G1A14

In what ITU region is operation in the 7.175 to 7.300 MHz band permitted for a control operator holding an FCC issued General Class license?

Select	Answer
A	Region 1
B	Region 3
C	Region 2
D	All three regions

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

3. - G1C04

Which of the following limitations apply to transmitter power on every amateur band?

Select	Answer
A	Power must be limited to 200 watts when transmitting between 14.100 MHz and 14.150 MHz
B	Power should be limited as necessary to avoid interference to another radio service on the frequency
C	Effective radiated power cannot exceed 1500 watts
D	Only the minimum power necessary to carry out the desired communications should be used

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 can demonstrate that they once held an FCC issued General, Advanced, or Amateur Extra class license that was not revoked by the FCC
C	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
D	Only persons who once held an FCC issued Novice, Technician, or Technician Plus license

5. - G1E06

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

Select	Answer
A	The licensee of the uncoordinated repeater has primary responsibility to resolve the interference
B	The licensee of the coordinated repeater has primary responsibility to resolve the interference
C	Both repeater licensees share equal responsibility to resolve the interference
D	The frequency coordinator bears primary responsibility to resolve the interference

6. - G2A10

Which of the following statements is true of voice VOX operation versus PTT operation?

Select	Answer
A	It provides more power output
B	It occupies less bandwidth
C	It allows "hands free" operation
D	The received signal is more natural sounding

7. - G2B03

If propagation changes during your contact and you notice increasing interference from other activity on the same frequency, what should you do?

Select	Answer
A	Increase power to overcome interference
B	Report the interference to your local Amateur Auxiliary Coordinator
C	As a common courtesy, move your contact to another frequency
D	Tell the interfering stations to change frequency

8. - G2C07

When sending CW, what does a "C" mean when added to the RST report?

Select	Answer
A	Chirpy or unstable signal
B	Report was read from an S meter rather than estimated
C	Key clicks
D	100 percent copy

9. - G2D02

Which of the following are objectives of the Amateur Auxiliary?

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

10. - G2E04

What segment of the 20-meter band is most often used for digital transmissions?

Select	Answer
A	14.150 - 14.225 MHz
B	14.275 - 14.350 MHz
C	14.000 - 14.050 MHz
D	14.070 - 14.100 MHz

11. - G3A07

At what point in the solar cycle does the 20-meter band usually support worldwide propagation during daylight hours?

Select	Answer
A	Only at the minimum point of the solar cycle
B	At any point in the solar cycle
C	Only at the maximum point of the solar cycle
D	At the summer solstice

12. - G3B09

What is the approximate maximum distance along the Earth's surface that is normally covered in one hop using the F2 region?

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

13. - G3C13

What is Near Vertical Incidence Sky-wave (NVIS) propagation?

Select	Answer
A	Double hop propagation near the LUF
B	Propagation near the MUF
C	Long path HF propagation at sunrise and sunset
D	Short distance MF or HF propagation using high elevation angles

14. - G4A07

What condition can lead to permanent damage to a solid-state RF power amplifier?

Select	Answer
A	Shorting the input signal to ground
B	Insufficient drive power
C	Excessive drive power
D	Low input SWR

15. - G4B06

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

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

16. - G4C12

Which of the following is an advantage of a receiver DSP IF filter as compared to an analog filter?

Select	Answer
A	Mixing products are greatly reduced
B	The DSP filter is much more effective at VHF frequencies
C	A wide range of filter bandwidths and shapes can be created
D	Fewer digital components are required

17. - G4D09

What frequency range is occupied by a 3 kHz USB signal with the displayed carrier frequency set to 14.347 MHz?

Select	Answer
A	14.347 to 14.350 MHz
B	14.344 to 14.347 MHz
C	14.3455 to 14.3485 MHz
D	14.347 to 14.647 MHz

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

19. - G5A12

What is one reason to use an impedance matching transformer?

Select	Answer
A	To minimize transmitter power output
B	To maximize the transfer of power
C	To minimize radiation resistance
D	To reduce power supply ripple

20. - G5B13

What is the output PEP of an unmodulated carrier if an average reading wattmeter connected to the transmitter output indicates 1060 watts?

Select	Answer
A	1500 watts
B	1060 watts
C	530 watts
D	2120 watts

21. - G5C15

What is the total resistance of a 10 ohm, a 20 ohm, and a 50 ohm resistor connected in parallel?

Select	Answer
A	5.9 ohms
B	80 ohms
C	10000 ohms
D	0.17 ohms

22. - G6A07

What are the stable operating points for a bipolar transistor used as a switch in a logic circuit?

Select	Answer
A	Its peak and valley current points
B	Its saturation and cutoff regions
C	Its active region (between the cutoff and saturation regions)
D	Its enhancement and depletion modes

23. - G6B17

What is the general description of a DIN type connector?

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

24. - G7A06

What portion of the AC cycle is converted to DC by a full-wave rectifier?

Select	Answer
A	180 degrees
B	270 degrees
C	360 degrees
D	90 degrees

25. - G7B11

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

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

26. - G7C04

What circuit is used to combine signals from the IF amplifier and BFO and send the result to the AF amplifier in some single sideband receivers?

Select	Answer
A	IF filter
B	RF oscillator
C	Balanced modulator
D	Product detector

27. - G8A07

Which of the following phone emissions uses the narrowest bandwidth?

Select	Answer
A	Frequency modulation
B	Single sideband
C	Double sideband
D	Phase modulation

28. - G8B09

Why is it good to match receiver bandwidth to the bandwidth of the operating mode?

Select	Answer
A	It is required by FCC rules
B	It minimizes power consumption in the receiver
C	It results in the best signal to noise ratio
D	It improves impedance matching of the antenna

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	Higher power is needed as compared to RTTY for similar error rates
C	Upper case letters make the signal stronger
D	Varicode Error Correction is used to ensure accurate message reception

30. - G9A15

What is the effect of transmission line loss on SWR measured at the input to the line?

Select	Answer
A	The higher the transmission line loss, the more the SWR will read artificially high
B	The higher the transmission line loss, the more accurate the SWR measurement will be
C	The higher the transmission line loss, the more the SWR will read artificially low
D	Transmission line loss does not affect the SWR measurement

31. - G9B02

Which of the following is a common way to adjust the feed point impedance of a quarter wave ground plane vertical antenna to be approximately 50 ohms?

Select	Answer
A	Slope the radials downward
B	Shorten the radials
C	Lengthen the radials
D	Slope the radials upward

32. - G9C09

How does the gain of two 3-element horizontally polarized Yagi antennas spaced vertically 1/2 wavelength apart typically compare to the gain of a single 3-element Yagi?

Select	Answer
A	Approximately 3 dB higher
B	Approximately 1.5 dB higher
C	Approximately 9 dB higher
D	Approximately 6 dB higher

33. - G9D01

What does the term NVIS mean as related to antennas?

Select	Answer
A	Near Vertical Incidence sky-wave
B	Non-Varying Impedance Smoothing
C	Non-Varying Indicated SWR
D	Nearly Vertical Inductance System

34. - G0A11

What precaution should you take if you install an indoor transmitting antenna?

Select	Answer
A	Position the antenna along the edge of a wall to reduce parasitic radiation
B	Make sure the antenna is properly shielded
C	Locate the antenna close to your operating position to minimize feed line radiation
D	Make sure that MPE limits are not exceeded in occupied areas

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	Danger of carbon monoxide poisoning
C	Danger of engine over torque
D	Lack of nitrogen for adequate combustion