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. - G1A02

On which of the following bands is phone operation prohibited?

Select	Answer
A	12 meters
B	160 meters
C	30 meters
D	17 meters

2. - G1B08

When choosing a transmitting frequency, what should you do to comply with good amateur practice?

Select	Answer
A	Monitor the frequency before transmitting
B	Follow generally accepted band plans agreed to by the Amateur Radio community
C	Insure that the frequency and mode selected are within your license class privileges
D	All of these choices are correct

3. - G1C02

What is the maximum transmitting power an amateur station may use on the 12-meter band?

Select	Answer
A	50 watts PEP output
B	1500 watts PEP output
C	200 watts PEP output
D	An effective radiated power equivalent to 100 watts from a half-wave dipole

4. - G1D11

If a person has an expired FCC issued amateur radio license of General Class or higher, what is required before they can receive a new license?

Select	Answer
A	There are no requirements other than being able to show a copy of the expired license
B	The applicant must be able to produce a copy of a page from a call book published in the USA showing his or her name and address
C	The applicant must pass the current element 2 exam
D	They must have a letter from the FCC showing they once held an amateur or commercial 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 frequency coordinator bears primary responsibility to resolve the interference
B	Both repeater licensees share equal responsibility to resolve the interference
C	The licensee of the coordinated repeater has primary responsibility to resolve the interference
D	The licensee of the uncoordinated repeater has primary responsibility to resolve the interference

6. - G2A04

Which mode is most commonly used for voice communications on the 17-meter and 12-meter bands?

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

8. - G2C04

What does the Q signal "QRL?" mean?

Select	Answer
A	"Are you listening only for a specific station?"
B	"Will you keep the frequency clear?"
C	"Are you busy?", or "Is this frequency in use?"
D	"Are you operating full break-in" or "Can you operate full break-in?"

9. - G2D11

Which HF antenna would be the best to use for minimizing interference?

Select	Answer
A	An isotropic antenna
B	A directional antenna
C	A quarter-wave vertical antenna
D	An omnidirectional antenna

10. - G2E06

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

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

11. - G3A01

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

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

12. - G3B11

What happens to HF propagation when the LUF exceeds the MUF?

Select	Answer
A	Propagation over the path on all HF frequencies is enhanced
B	Double hop propagation along the path is more common
C	HF communications over the path are enhanced
D	No HF radio frequency will support ordinary sky-wave communications over the path

13. - G3C05

Why is long distance communication on the 40-meter, 60-meter, 80-meter and 160-meter bands more difficult during the day?

Select	Answer
A	The F layer is unstable during daylight hours
B	The F layer absorbs signals at these frequencies during daylight hours
C	The E layer is unstable during daylight hours
D	The D layer absorbs signals at these frequencies during daylight hours

14. - G4A12

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

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

15. - G4B12

What problem can occur when making measurements on an antenna system with an antenna analyzer?

Select	Answer
A	The analyzer can be damaged if measurements outside the ham bands are attempted
B	Connecting the analyzer to an antenna can cause it to absorb harmonics
C	Strong signals from nearby transmitters can affect the accuracy of measurements
D	Permanent damage to the analyzer may occur if it is operated into a high SWR

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

17. - G4D01

What is the purpose of a speech processor as used in a modern transceiver?

Select	Answer
A	Increase the intelligibility of transmitted phone signals during poor conditions
B	Increase transmitter bass response for more natural sounding SSB signals
C	Decrease high-frequency voice output to prevent out of band operation
D	Prevent distortion of voice signals

18. - G4E01

What is the purpose of a capacitance hat on a mobile antenna?

Select	Answer
A	To allow remote tuning
B	To increase the power handling capacity of a whip antenna
C	To allow automatic band changing
D	To electrically lengthen a physically short antenna

19. - G5A03

Which of the following causes opposition to the flow of alternating current in an inductor?

Select	Answer
A	Conductance
B	Admittance
C	Reluctance
D	Reactance

20. - G5B12

What would be the RMS voltage across a 50 ohm dummy load dissipating 1200 watts?

Select	Answer
A	346 volts
B	173 volts
C	692 volts
D	245 volts

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	10000 ohms
B	80 ohms
C	5.9 ohms
D	0.17 ohms

22. - G6A19

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

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

23. - G6B05

What is meant when memory is characterized as non-volatile?

Select	Answer
A	The stored information cannot be changed once written
B	The stored information is maintained even if power is removed
C	It is resistant to high temperatures
D	It is resistant to radiation damage

24. - G7A12

Which symbol in Figure G7-1 represents a multiple-winding transformer?

Select	Answer
A	Symbol 1
B	Symbol 7
C	Symbol 6
D	Symbol 4

25. - G7B05

How many states does a 3-bit binary counter have?

Select	Answer
A	16
B	8
C	6
D	3

26. - G7C05

Which of the following is an advantage of a transceiver controlled by a direct digital synthesizer (DDS)?

Select	Answer
A	Variable frequency with the stability of a crystal oscillator
B	Relatively low power consumption
C	Relatively high power output
D	Wide tuning range and no need for band switching

27. - G8A10

What is meant by the term flat-topping when referring to a single sideband phone transmission?

Select	Answer
A	Signal distortion caused by insufficient collector current
B	The transmitter's carrier is properly suppressed
C	Signal distortion caused by excessive drive
D	The transmitter's automatic level control (ALC) is properly adjusted

28. - G8B03

What is another term for the mixing of two RF signals?

Select	Answer
A	Phase inverting
B	Cancellation
C	Heterodyning
D	Synthesizing

29. - G8C01

Which of the following digital modes is designed to operate at extremely low signal strength on the HF bands?

Select	Answer
A	JT9 and JT65
B	RTTY
C	Clover
D	FSK441 and Hellschreiber

30. - G9A05

How does the attenuation of coaxial cable change as the frequency of the signal it is carrying increases?

Select	Answer
A	Attenuation is independent of frequency
B	Attenuation decreases
C	Attenuation increases
D	Attenuation reaches a maximum at approximately 18 MHz

31. - G9B04

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

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

32. - G9C15

Approximately how long is each side of the reflector element of a quad antenna?

Select	Answer
A	Slightly more than 1/4 wavelength
B	Slightly more than 1/2 wavelength
C	Slightly less than 1/4 wavelength
D	Slightly less than 1/2 wavelength

33. - G9D06

Which of the following is an advantage of a log periodic antenna?

Select	Answer
A	Higher gain per element than a Yagi antenna
B	Polarization diversity
C	Harmonic suppression
D	Wide bandwidth

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	Perform a routine RF exposure evaluation
C	Post a copy of FCC Part 97.13 in the station
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	Danger of carbon monoxide poisoning
B	Danger of engine over torque
C	Lack of oxygen for adequate combustion
D	Lack of nitrogen for adequate combustion

Figure G7-1