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. - G1A13

What is the appropriate action if, when operating on either the 30-meter or 60-meter bands, a station in the primary service interferes with your contact?

Select	Answer
A	Notify the FCCs regional Engineer in Charge of the interference
B	Attempt to contact the station and request that it stop the interference
C	Increase your transmitter's power to overcome the interference
D	Move to a clear frequency or stop transmitting

2. - G1B09

When may an amateur station transmit communications in which the licensee or control operator has a pecuniary (monetary) interest?

Select	Answer
A	When other amateurs are being notified of the sale of apparatus normally used in an amateur station and such activity is not done on a regular basis
B	Only when there is no other means of communications readily available
C	When other amateurs are being notified of the sale of any item with a monetary value less than $200 and such activity is not done on a regular basis
D	Never

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. - G1D08

Which of the following criteria must be met for a non-U.S. citizen to be an accredited Volunteer Examiner?

Select	Answer
A	The person must be a resident of the U.S. for a minimum of 5 years
B	The person must hold an FCC granted Amateur Radio license of General Class or above
C	The person's home citizenship must be in ITU region 2
D	None of these choices is correct; a non-U.S. citizen cannot be a Volunteer Examiner

5. - G1E08

Which of the following is a requirement for a non-licensed person to communicate with a foreign Amateur Radio station from a station with an FCC-granted license at which an FCC licensed control operator is present?

Select	Answer
A	The foreign amateur station must be in a country with which the United States has a third party agreement
B	All of these choices are correct
C	Information must be exchanged in English
D	The control operator must have at least a General Class license

6. - G2A08

Which of the following is a recommended way to break into a contact when using phone?

Select	Answer
A	Say "CQ" followed by the call sign of either station
B	Say "QRZ" several times followed by your call sign
C	Say your call sign during a break between transmissions by the other stations
D	Say "Break Break Break" and wait for a response

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

8. - G2C06

What does the term "zero beat" mean in CW operation?

Select	Answer
A	Matching the speed of the transmitting station
B	Matching your transmit frequency to the frequency of a received signal
C	Operating split to avoid interference on frequency
D	Sending without error

9. - G2D07

Which of the following is required by the FCC rules when operating in the 60-meter band?

Select	Answer
A	You must keep a record of the date, time, frequency, power level and stations worked
B	If you are using other than a dipole antenna, you must keep a record of the gain of your antenna
C	You must keep a record of all third party traffic
D	You must keep a record of the manufacturer of your equipment and the antenna used

10. - G2E04

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

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

11. - G3A06

What is a geomagnetic storm?

Select	Answer
A	Ripples in the ionosphere
B	A thunderstorm which affects radio propagation
C	A temporary disturbance in the Earth's magnetosphere
D	A sudden drop in the solar flux index

12. - G3B06

What usually happens to radio waves with frequencies below the LUF?

Select	Answer
A	They are completely absorbed by the ionosphere
B	They pass through the ionosphere
C	They are bent and trapped in the ionosphere to circle the Earth
D	They are bent back to the Earth

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 E layer
C	The D layer
D	The F2 layer

14. - G4A12

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

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

15. - G4B13

What is a use for an antenna analyzer other than measuring the SWR of an antenna system?

Select	Answer
A	Determining the impedance of an unknown or unmarked coaxial cable
B	Determining the gain of a directional antenna
C	Measuring the front to back ratio of an antenna
D	Measuring the turns ratio of a power transformer

16. - G4C06

What effect can be caused by a resonant ground connection?

Select	Answer
A	Corrosion of the ground rod
B	High RF voltages on the enclosures of station equipment
C	A ground loop
D	Overheating of ground straps

17. - G4D01

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

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

18. - G4E06

What is one disadvantage of using a shortened mobile antenna as opposed to a full size antenna?

Select	Answer
A	Short antennas are more likely to cause distortion of transmitted signals
B	Operating bandwidth may be very limited
C	Short antennas can only receive circularly polarized signals
D	Harmonic radiation may increase

19. - G5A01

What is impedance?

Select	Answer
A	The electric charge stored by a capacitor
B	The force of repulsion between two similar electric fields
C	The inverse of resistance
D	The opposition to the flow of current in an AC circuit

20. - G5B10

What percentage of power loss would result from a transmission line loss of 1 dB?

Select	Answer
A	12.2 percent
B	10.9 percent
C	20.5 percent
D	25.9 percent

21. - G5C11

What is the inductance of a 20 millihenry inductor connected in series with a 50 millihenry inductor?

Select	Answer
A	14.3 millihenrys
B	70 millihenrys
C	0.07 millihenrys
D	1000 millihenrys

22. - G6A17

Which of the following is a reason not to use wire-wound resistors in an RF circuit?

Select	Answer
A	The resistor's tolerance value would not be adequate for such a circuit
B	The resistor's inductance could make circuit performance unpredictable
C	The resistor could overheat
D	The resistor's internal capacitance would detune the circuit

23. - G6B04

What is meant by the term ROM?

Select	Answer
A	Random Operational Memory
B	Resistant to Overload Memory
C	Resistor Operated Memory
D	Read Only Memory

24. - G7A12

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

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

25. - G7B05

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

Select	Answer
A	6
B	16
C	3
D	8

26. - G7C10

How is Digital Signal Processor filtering accomplished?

Select	Answer
A	By using direct signal phasing
B	By converting the signal from digital to analog and taking the difference of mixing products
C	By converting the signal from analog to digital and using digital processing
D	By differential spurious phasing

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

28. - G8B02

If a receiver mixes a 13.800 MHz VFO with a 14.255 MHz received signal to produce a 455 kHz intermediate frequency (IF) signal, what type of interference will a 13.345 MHz signal produce in the receiver?

Select	Answer
A	Intermediate interference
B	Quadrature noise
C	Mixer interference
D	Image response

29. - G8C07

How does the receiving station respond to an ARQ data mode packet containing errors?

Select	Answer
A	It terminates the contact
B	It requests a change in transmitting protocol
C	It requests the packet be retransmitted
D	It sends the packet back to the transmitting station

30. - G9A11

What standing wave ratio will result when connecting a 50 ohm feed line to a non-reactive load having 50 ohm impedance?

Select	Answer
A	1:1
B	0:0
C	50:50
D	2:1

31. - G9B03

What happens to the feed point impedance of a ground plane antenna when its radials are changed from horizontal to sloping downward?

Select	Answer
A	It decreases
B	It reaches a maximum at an angle of 45 degrees
C	It stays the same
D	It increases

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

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	Wide bandwidth
D	Harmonic suppression

34. - G0A05

What must you do if an evaluation of your station shows RF energy radiated from your station exceeds permissible limits?

Select	Answer
A	Take action to prevent human exposure to the excessive RF fields
B	All of these choices are correct
C	File an Environmental Impact Statement (EIS-97) with the FCC
D	Secure written permission from your neighbors to operate above the controlled MPE limits

35. - G0B14

Which of the following is covered by the National Electrical Code?

Select	Answer
A	Electrical safety inside the ham shack
B	RF exposure limits of the human body
C	Acceptable modulation limits
D	Acceptable bandwidth limits

Figure G7-1