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. - G1A05

Which of the following frequencies is in the General Class portion of the 40-meter band?

Select	Answer
A	7.500 MHz
B	40.500 MHz
C	40.200 MHz
D	7.250 MHz

2. - G1B03

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

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

3. - G1C08

What is the maximum symbol rate permitted for RTTY or data emission transmitted at frequencies below 28 MHz?

Select	Answer
A	300 baud
B	56 kilobaud
C	19.6 kilobaud
D	1200 baud

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	The applicant must pass the current element 2 exam
B	They must have a letter from the FCC showing they once held an amateur or commercial license
C	There are no requirements other than being able to show a copy of the expired license
D	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

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

6. - G2A03

Which of the following is most commonly used for SSB voice communications in the VHF and UHF bands?

Select	Answer
A	Double sideband
B	Upper sideband
C	Vestigial sideband
D	Lower sideband

7. - G2B04

When selecting a CW transmitting frequency, what minimum separation should be used to minimize interference to stations on adjacent frequencies?

Select	Answer
A	1 to 3 kHz
B	150 to 500 Hz
C	5 to 50 Hz
D	3 to 6 kHz

8. - G2C09

What does the Q signal "QSL" mean?

Select	Answer
A	We have already confirmed by card
B	We have worked before
C	I acknowledge receipt
D	Send slower

9. - G2D03

What skills learned during hidden transmitter hunts are of help to the Amateur Auxiliary?

Select	Answer
A	Direction finding used to locate stations violating FCC Rules
B	Hunters have an opportunity to transmit on non-amateur frequencies
C	Identification of out of band operation
D	Identification of different call signs

10. - G2E10

Which of the following is a way to establish contact with a digital messaging system gateway station?

Select	Answer
A	Respond when the station broadcasts its SSID
B	Transmit a connect message on the station's published frequency
C	Send QRL in Morse code
D	Send an email to the system control operator

11. - G3A05

What is the solar flux index?

Select	Answer
A	A measure of solar radiation at 10.7 centimeters wavelength
B	Another name for the American sunspot number
C	A count of sunspots which is adjusted for solar emissions
D	A measure of the highest frequency that is useful for ionospheric propagation between two points on the Earth

12. - G3B07

What does LUF stand for?

Select	Answer
A	The Lowest Usable Frequency for communications between two points
B	The Longest Universal Function during a 24 hour period
C	The Longest Universal Function for communications between two points
D	The Lowest Usable Frequency during a 24 hour period

13. - G3C13

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

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

14. - G4A11

Which of the following is a use for the IF shift control on a receiver?

Select	Answer
A	To avoid interference from stations very close to the receive frequency
B	To change frequency rapidly
C	To permit listening on a different frequency from that on which you are transmitting
D	To tune in stations that are slightly off frequency without changing your transmit frequency

15. - G4B05

Why is high input impedance desirable for a voltmeter?

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

16. - G4C09

How can a ground loop be avoided?

Select	Answer
A	Connect all ground conductors in series
B	Connect all ground conductors to a single point
C	Avoid using lock washers and star washers when making ground connections
D	Connect the AC neutral conductor to the ground wire

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 14.647 MHz
B	14.347 to 14.350 MHz
C	14.3455 to 14.3485 MHz
D	14.344 to 14.347 MHz

18. - G4E11

Which of the following is a disadvantage of using wind as the primary source of power for an emergency station?

Select	Answer
A	All of these choices are correct
B	The voltage and current ratings of such systems are not compatible with amateur equipment
C	The conversion efficiency from mechanical energy to electrical energy is less than 2 percent
D	A large energy storage system is needed to supply power when the wind is not blowing

19. - G5A11

Which of the following describes one method of impedance matching between two AC circuits?

Select	Answer
A	Insert an LC network between the two circuits
B	Reduce the power output of the first circuit
C	Insert a circulator between the two circuits
D	Increase the power output of the first circuit

20. - G5B14

What is the output PEP from a transmitter if an oscilloscope measures 500 volts peak-to-peak across a 50 ohm resistive load connected to the transmitter output?

Select	Answer
A	2500 watts
B	5000 watts
C	625 watts
D	8.75 watts

21. - G5C10

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

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

22. - G6A15

Which of the following is an advantage of an electrolytic capacitor?

Select	Answer
A	High capacitance for a given volume
B	Much less leakage than any other type
C	Tight tolerance
D	Inexpensive RF capacitor

23. - G6B04

What is meant by the term ROM?

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

24. - G7A07

What is the output waveform of an unfiltered full-wave rectifier connected to a resistive load?

Select	Answer
A	A series of DC pulses at the same frequency as the AC input
B	A sine wave at half the frequency of the AC input
C	A steady DC voltage
D	A series of DC pulses at twice the frequency of the AC input

25. - G7B05

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

Select	Answer
A	8
B	3
C	6
D	16

26. - G7C08

What type of circuit is used in many FM receivers to convert signals coming from the IF amplifier to audio?

Select	Answer
A	Phase inverter
B	Discriminator
C	Mixer
D	Product detector

27. - G8A08

Which of the following is an effect of overmodulation?

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

28. - G8B07

What is the frequency deviation for a 12.21 MHz reactance modulated oscillator in a 5 kHz deviation, 146.52 MHz FM phone transmitter?

Select	Answer
A	101.75 Hz
B	60 kHz
C	416.7 Hz
D	5 kHz

29. - G8C03

What part of a data packet contains the routing and handling information?

Select	Answer
A	Preamble
B	Header
C	Directory
D	Footer

30. - G9A03

What is the characteristic impedance of flat ribbon TV type twinlead?

Select	Answer
A	100 ohms
B	300 ohms
C	50 ohms
D	75 ohms

31. - G9B09

Which of the following is an advantage of a horizontally polarized as compared to a vertically polarized HF antenna?

Select	Answer
A	Shorter Radials
B	Lower radiation resistance
C	Lower feed point impedance
D	Lower ground reflection losses

32. - G9C07

What does "front-to-back ratio" mean in reference to a Yagi antenna?

Select	Answer
A	The relative position of the driven element with respect to the reflectors and directors
B	The number of directors versus the number of reflectors
C	The power radiated in the major radiation lobe compared to the power radiated in exactly the opposite direction
D	The ratio of forward gain to dipole gain

33. - G9D11

Which of the following is a disadvantage of multiband antennas?

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

34. - G0A02

Which of the following properties is important in estimating whether an RF signal exceeds the maximum permissible exposure (MPE)?

Select	Answer
A	Its duty cycle
B	Its frequency
C	All of these choices are correct
D	Its power density

35. - G0B01

Which wire or wires in a four-conductor connection should be attached to fuses or circuit breakers in a device operated from a 240 VAC single phase source?

Select	Answer
A	All wires
B	Only the ground wire
C	Only the neutral wire
D	Only the two wires carrying voltage