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	Never
B	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
C	Only when there is no other means of communications readily available
D	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

3. - G1C03

What is the maximum bandwidth permitted by FCC rules for Amateur Radio stations transmitting on USB frequencies in the 60-meter band?

Select	Answer
A	1.8 kHz
B	2.8 kHz
C	3 kHz
D	5.6 kHz

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	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	There are no requirements other than being able to show a copy of the expired license
D	They must have a letter from the FCC showing they once held an amateur or commercial license

5. - G1E02

When may a 10-meter repeater retransmit the 2-meter signal from a station having a Technician Class control operator?

Select	Answer
A	Only if the 10-meter repeater control operator holds at least a General Class license
B	Only if the station on 10-meters is operating under a Special Temporary Authorization allowing such retransmission
C	Under no circumstances
D	Only during an FCC declared general state of communications emergency

6. - G2A08

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

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

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	Acknowledge the station in distress and determine what assistance may be needed
C	Immediately cease all transmissions
D	Continue your communication because you were on the frequency first

8. - G2C09

What does the Q signal "QSL" mean?

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

9. - G2D03

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

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

10. - G2E08

In what segment of the 20-meter band are most PSK31 operations commonly found?

Select	Answer
A	In the middle of the CW segment, near 14.100 MHz
B	Below the RTTY segment, near 14.070 MHz
C	At the top of the SSB phone segment, near 14.325 MHz
D	At the bottom of the slow-scan TV segment, near 14.230 MHz

11. - G3A12

What does the K-index indicate?

Select	Answer
A	The stability of the Sun's magnetic field
B	The solar radio flux at Boulder, Colorado
C	The relative position of sunspots on the surface of the Sun
D	The short term stability of the Earth's magnetic field

12. - G3B12

What factor or factors affect the MUF?

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

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 F2 layer
B	The E layer
C	The F1 layer
D	The D layer

14. - G4A01

What is the purpose of the "notch filter" found on many HF transceivers?

Select	Answer
A	To reduce interference from carriers in the receiver passband
B	To restrict the transmitter voice bandwidth
C	To enhance the reception of a specific frequency on a crowded band
D	To eliminate receiver interference from impulse noise sources

15. - G4B07

What signals are used to conduct a two-tone test?

Select	Answer
A	Two swept frequency tones
B	Two audio signals of the same frequency shifted 90 degrees
C	Two non-harmonically related audio signals
D	Two audio frequency range square wave signals of equal amplitude

16. - G4C08

Which of the following would reduce RF interference caused by common-mode current on an audio cable?

Select	Answer
A	Adding an additional insulating jacket to the cable
B	Placing a ferrite choke around the cable
C	Adding shunt inductors to the conductors
D	Adding series capacitors to the conductors

17. - G4D07

How much must the power output of a transmitter be raised to change the S meter reading on a distant receiver from S8 to S9?

Select	Answer
A	Approximately 4 times
B	Approximately 1.5 times
C	Approximately 8 times
D	Approximately 2 times

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	Harmonic radiation may increase
D	Short antennas can only receive circularly polarized signals

19. - G5A07

What happens when the impedance of an electrical load is equal to the output impedance of a power source, assuming both impedances are resistive?

Select	Answer
A	The source delivers minimum power to the load
B	The source can deliver maximum power to the load
C	No current can flow through the circuit
D	The electrical load is shorted

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	625 watts
B	5000 watts
C	8.75 watts
D	2500 watts

21. - G5C02

What happens if you reverse the primary and secondary windings of a 4:1 voltage step down transformer?

Select	Answer
A	The transformer no longer functions as it is a unidirectional device
B	Additional resistance must be added in parallel with the secondary to prevent overload
C	Additional resistance must be added in series with the primary to prevent overload
D	The secondary voltage becomes 4 times the primary voltage

22. - G6A18

What is an advantage of using a ferrite core toroidal inductor?

Select	Answer
A	Most of the magnetic field is contained in the core
B	All of these choices are correct
C	Large values of inductance may be obtained
D	The magnetic properties of the core may be optimized for a specific range of frequencies

23. - G6B10

What two devices in an Amateur Radio station might be connected using a USB interface?

Select	Answer
A	Power supply and amplifier
B	Computer and transceiver
C	Microphone and transceiver
D	Amplifier and antenna

24. - G7A02

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

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

25. - G7B02

Which of the following is an advantage of using the binary system when processing digital signals?

Select	Answer
A	The binary number system is most accurate
B	All of these choices are correct
C	Binary numbers are more compatible with analog circuitry
D	Binary "ones" and "zeros" are easy to represent by an "on" or "off" state

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	Mixer
B	Phase inverter
C	Product detector
D	Discriminator

27. - G8A02

What is the name of the process that changes the phase angle of an RF wave to convey information?

Select	Answer
A	Phase modulation
B	Radian inversion
C	Phase convolution
D	Angle convolution

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	60 kHz
B	5 kHz
C	416.7 Hz
D	101.75 Hz

29. - G8C08

Which of the following statements is true about PSK31?

Select	Answer
A	Higher power is needed as compared to RTTY for similar error rates
B	Upper case letters make the signal stronger
C	Upper case letters use longer Varicode signals and thus slow down transmission
D	Varicode Error Correction is used to ensure accurate message reception

30. - G9A12

What standing wave ratio will result when connecting a 50 ohm feed line to a non-reactive load having 25 ohm impedance?

Select	Answer
A	2.5:1
B	2:1
C	1.25:1
D	You cannot determine SWR from impedance values

31. - G9B01

What is one disadvantage of a directly fed random-wire HF antenna?

Select	Answer
A	It produces only vertically polarized radiation
B	You may experience RF burns when touching metal objects in your station
C	It is more effective on the lower HF bands than on the higher bands
D	It must be longer than 1 wavelength

32. - G9C20

What is meant by the terms dBi and dBd when referring to antenna gain?

Select	Answer
A	dBi refers to an isometric antenna, dBd refers to a discone antenna
B	dBi refers to an ionospheric reflecting antenna, dBd refers to a dissipative antenna
C	dBi refers to an inverted-vee antenna, dBd refers to a downward reflecting antenna
D	dBi refers to an isotropic antenna, dBd refers to a dipole antenna

33. - G9D06

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

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

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	Perform a routine RF exposure evaluation
B	Post a copy of FCC Part 97.13 in the station
C	All of these choices are correct
D	Post a copy of OET Bulletin 65 in the station

35. - G0B02

What is the minimum wire size that may be safely used for a circuit that draws up to 20 amperes of continuous current?

Select	Answer
A	AWG number 8
B	AWG number 12
C	AWG number 20
D	AWG number 16