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. - G1A04

Which of the following amateur bands is restricted to communication on only specific channels, rather than frequency ranges?

Select	Answer
A	11 meters
B	30 meters
C	12 meters
D	60 meters

2. - G1B10

What is the power limit for beacon stations?

Select	Answer
A	10 watts PEP output
B	200 watts PEP output
C	100 watts PEP output
D	20 watts PEP output

3. - G1C06

Which of the following is a limitation on transmitter power on the 1.8 MHz band?

Select	Answer
A	1200 watts PEP output
B	1500 watts PEP output
C	200 watts PEP output
D	1000 watts PEP output

4. - G1D06

When must you add the special identifier "AG" after your call sign if you are a Technician Class licensee and have a CSCE for General Class operator privileges, but the FCC has not yet posted your upgrade on its website ?

Select	Answer
A	Whenever you operate on any amateur frequency
B	A special identifier is not required as long as your General Class license application has been filed with the FCC
C	Whenever you operate using General Class frequency privileges
D	Whenever you operate using Technician frequency privileges

5. - G1E04

Which of the following conditions require a licensed Amateur Radio operator to take specific steps to avoid harmful interference to other users or facilities?

Select	Answer
A	When a station is transmitting spread spectrum emissions
B	When using a band where the Amateur Service is secondary
C	All of these choices are correct
D	When operating within one mile of an FCC Monitoring Station

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

8. - G2C11

What does the Q signal "QRV" mean?

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

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	When the contact is with amateurs in any country as long as the communication is conducted in English
D	Only when the foreign country is a member of the International Amateur Radio Union

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	14.070 - 14.100 MHz
C	14.275 - 14.350 MHz
D	14.000 - 14.050 MHz

11. - G3A10

What causes HF propagation conditions to vary periodically in a 28 day cycle?

Select	Answer
A	Long term oscillations in the upper atmosphere
B	The position of the Moon in its orbit
C	The Sun's rotation on its axis
D	Cyclic variation in the Earth's radiation belts

12. - G3B08

What does MUF stand for?

Select	Answer
A	The Minimum Usable Frequency for communications between two points
B	The Maximum 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. - G3C12

Which ionospheric layer is the most absorbent of long skip signals during daylight hours on frequencies below 10 MHz?

Select	Answer
A	The E layer
B	The F2 layer
C	The F1 layer
D	The D layer

14. - G4A07

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

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

15. - G4B05

Why is high input impedance desirable for a voltmeter?

Select	Answer
A	It decreases the loading on circuits being measured
B	It improves the frequency response
C	It decreases battery consumption in the meter
D	It improves the resolution of the readings

16. - G4C06

What effect can be caused by a resonant ground connection?

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

17. - G4D02

Which of the following describes how a speech processor affects a transmitted single sideband phone signal?

Select	Answer
A	It reduces harmonic distortion
B	It increases average power
C	It reduces intermodulation distortion
D	It increases peak power

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	Short antennas can only receive circularly polarized signals
C	Operating bandwidth may be very limited
D	Harmonic radiation may increase

19. - G5A02

What is reactance?

Select	Answer
A	A large spark produced at switch contacts when an inductor is de-energized
B	A property of ideal resistors in AC circuits
C	Opposition to the flow of direct current caused by resistance
D	Opposition to the flow of alternating current caused by capacitance or inductance

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	530 watts
B	1060 watts
C	1500 watts
D	2120 watts

21. - G5C10

What is the inductance of three 10 millihenry inductors connected in parallel?

Select	Answer
A	3.3 millihenrys
B	3.3 henrys
C	0.30 henrys
D	30 millihenrys

22. - G6A02

What is an advantage of the low internal resistance of nickel-cadmium batteries?

Select	Answer
A	Long life
B	High discharge current
C	High voltage
D	Rapid recharge

23. - G6B13

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

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

24. - G7A02

Which of the following components are used in a power supply filter network?

Select	Answer
A	Quartz crystals
B	Transformers and transducers
C	Capacitors and inductors
D	Diodes

25. - G7B04

Which of the following describes the function of a two input NOR gate?

Select	Answer
A	Output is low only when both inputs are high
B	Output is high only when both inputs are high
C	Output is high when either or both inputs are low
D	Output is low when either or both inputs are high

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. - G8A08

Which of the following is an effect of overmodulation?

Select	Answer
A	Excessive bandwidth
B	Frequency drift
C	Insufficient bandwidth
D	Insufficient audio

28. - G8B06

What is the total bandwidth of an FM phone transmission having 5 kHz deviation and 3 kHz modulating frequency?

Select	Answer
A	8 kHz
B	3 kHz
C	5 kHz
D	16 kHz

29. - G8C02

How many data bits are sent in a single PSK31 character?

Select	Answer
A	5
B	The number varies
C	8
D	7

30. - G9A10

What standing wave ratio will result when connecting a 50 ohm feed line to a non-reactive load having 10 ohm impedance?

Select	Answer
A	5:1
B	50:1
C	2:1
D	1:5

31. - G9B06

Where should the radial wires of a ground-mounted vertical antenna system be placed?

Select	Answer
A	As high as possible above the ground
B	Parallel to the antenna element
C	At the center of the antenna
D	On the surface of the Earth or buried a few inches below the ground

32. - G9C13

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

Select	Answer
A	3/4 wavelength
B	1/4 wavelength
C	1 wavelength
D	1/2 wavelength

33. - G9D11

Which of the following is a disadvantage of multiband antennas?

Select	Answer
A	They must be used with an antenna tuner
B	They must be fed with open wire line
C	They present low impedance on all design frequencies
D	They have poor harmonic rejection

34. - G0A11

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

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

35. - G0B13

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

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