US Amateur Radio - General (Element 3, 2015-2019) Practice Test

Anonymous User

US Amateur Radio - General (Element 3, 2015-2019) Practice Test

Logging in (or registering) will help the system to select questions that you need to focus on.

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. - G1B03

Which of the following is a purpose of a beacon station as identified in the FCC rules?

Select	Answer
A	Transmission of bulletins of general interest to Amateur Radio licensees
B	Observation of propagation and reception
C	Automatic identification of repeaters
D	Identifying net frequencies

3. - G1C02

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

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

4. - G1D02

What license examinations may you administer when you are an accredited VE holding a General Class operator license?

Select	Answer
A	General only
B	Extra, General and Technician
C	Technician only
D	General and Technician

5. - G1E09

What language must be used when identifying your station if you are using a language other than English in making a contact using phone emission?

Select	Answer
A	English, Spanish, French, or German
B	Any language recognized by the United Nations
C	The language being used for the contact
D	English only

6. - G2A06

Which of the following is an advantage when using single sideband as compared to other analog voice modes on the HF amateur bands?

Select	Answer
A	Less bandwidth used and greater power efficiency
B	Very high fidelity voice modulation
C	Less subject to interference from atmospheric static crashes
D	Ease of tuning on receive and immunity to impulse noise

7. - G2B02

What is the first thing you should do if you are communicating with another amateur station and hear a station in distress break in?

Select	Answer
A	Change to a different frequency
B	Continue your communication because you were on the frequency first
C	Immediately cease all transmissions
D	Acknowledge the station in distress and determine what assistance may be needed

8. - G2C03

What does it mean when a CW operator sends "KN" at the end of a transmission?

Select	Answer
A	Listening for novice stations
B	Listening only for a specific station or stations
C	Operating full break-in
D	Closing station now

9. - G2D01

What is the Amateur Auxiliary to the FCC?

Select	Answer
A	Amateur volunteers who use their station equipment to help civil defense organizations in times of emergency
B	Amateur volunteers who conduct amateur licensing examinations
C	Amateur volunteers who are formally enlisted to monitor the airwaves for rules violations
D	Amateur volunteers who conduct frequency coordination for amateur VHF repeaters

10. - G2E12

Which of the following describes a waterfall display?

Select	Answer
A	Frequency is vertical, signal strength is horizontal, time is intensity
B	Frequency is vertical, signal strength is intensity, time is horizontal
C	Frequency is horizontal, signal strength is intensity, time is vertical
D	Frequency is horizontal, signal strength is vertical, time is intensity

11. - G3A14

How are radio communications usually affected by the charged particles that reach the Earth from solar coronal holes?

Select	Answer
A	VHF/UHF ducting is disturbed
B	HF communications are disturbed
C	VHF/UHF ducting is improved
D	HF communications are improved

12. - G3B12

What factor or factors affect the MUF?

Select	Answer
A	Solar radiation and ionospheric disturbances
B	All of these choices are correct
C	Path distance and location
D	Time of day and season

13. - G3C06

What is a characteristic of HF scatter signals?

Select	Answer
A	They have high intelligibility
B	All of these choices are correct
C	They have very large swings in signal strength
D	They have a wavering sound

14. - G4A15

Which of the following can be a symptom of transmitted RF being picked up by an audio cable carrying AFSK data signals between a computer and a transceiver?

Select	Answer
A	The VOX circuit does not un-key the transmitter
B	All of these choices are correct
C	The transmitter signal is distorted
D	Frequent connection timeouts

15. - G4B10

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

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

16. - G4C11

Which of the following is a function of a digital signal processor?

Select	Answer
A	To increase antenna gain
B	To remove noise from received signals
C	To increase antenna bandwidth
D	To provide adequate grounding

17. - G4D08

What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz?

Select	Answer
A	7.175 to 7.178 MHz
B	7.1765 to 7.1795 MHz
C	7.178 to 7.184 MHz
D	7.178 to 7.181 MHz

18. - G4E01

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

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

19. - G5A01

What is impedance?

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

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	2120 watts
B	1060 watts
C	1500 watts
D	530 watts

21. - G5C08

What is the equivalent capacitance of two 5.0 nanofarad capacitors and one 750 picofarad capacitor connected in parallel?

Select	Answer
A	576.9 nanofarads
B	3583 picofarads
C	10.750 nanofarads
D	1733 picofarads

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

23. - G6B13

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

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

24. - G7A13

Which symbol in Figure G7-1 represents a tapped inductor?

Select	Answer
A	Symbol 7
B	Symbol 1
C	Symbol 11
D	Symbol 6

25. - G7B08

How is the efficiency of an RF power amplifier determined?

Select	Answer
A	Divide the RF output power by the DC input power
B	Multiply the RF input power by the reciprocal of the RF output power
C	Divide the DC input power by the DC output power
D	Add the RF input power to the DC output power

26. - G7C09

Which of the following is needed for a Digital Signal Processor IF filter?

Select	Answer
A	A digital processor chip
B	An analog to digital converter
C	All of the these choices are correct
D	A digital to analog converter

27. - G8A11

What is the modulation envelope of an AM signal?

Select	Answer
A	The waveform created by connecting the peak values of the modulated signal
B	The carrier frequency that contains the signal
C	The bandwidth of the modulated signal
D	Spurious signals that envelop nearby frequencies

28. - G8B05

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

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

29. - G8C11

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

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

30. - G9A14

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

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

31. - G9B11

What is the approximate length for a 1/2 wave dipole antenna cut for 3.550 MHz?

Select	Answer
A	42 feet
B	263 feet
C	131 feet
D	84 feet

32. - G9C16

How does the gain of a two-element delta-loop beam compare to the gain of a two-element quad antenna?

Select	Answer
A	3 dB lower
B	3 dB higher
C	2.54 dB higher
D	About the same

33. - G9D04

What is the primary purpose of antenna traps?

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

34. - G0A01

What is one way that RF energy can affect human body tissue?

Select	Answer
A	It heats body tissue
B	It causes radiation poisoning
C	It cools body tissue
D	It causes the blood count to reach a dangerously low level

35. - G0B13

What must you do when powering your house from an emergency generator?

Select	Answer
A	Insure that the generator is not grounded
B	All of these choices are correct
C	Disconnect the incoming utility power feed
D	Insure that all lightning grounds are disconnected

Figure G7-1