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. - G1A08

Which of the following frequencies is within the General Class portion of the 80-meter band?

Select	Answer
A	2560 kHz
B	3560 kHz
C	1855 kHz
D	3650 kHz

2. - G1B11

How does the FCC require an amateur station to be operated in all respects not specifically covered by the Part 97 rules?

Select	Answer
A	All of these choices are correct
B	In conformance with good engineering and good amateur practice
C	In conformance with the rules of the IARU
D	In conformance with Amateur Radio custom

3. - G1C07

What is the maximum symbol rate permitted for RTTY or data emission transmission on the 20-meter band?

Select	Answer
A	56 kilobaud
B	19.6 kilobaud
C	1200 baud
D	300 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	They must have a letter from the FCC showing they once held an amateur or commercial license
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	The applicant must pass the current element 2 exam

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

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 "QRZ" several times followed by your call sign
D	Say "CQ" followed by the call sign of either station

7. - G2B10

When may the FCC restrict normal frequency operations of amateur stations participating in RACES?

Select	Answer
A	Only when all amateur stations are instructed to stop transmitting
B	When the President's War Emergency Powers have been invoked
C	When they seize your equipment for use in disaster communications
D	When they declare a temporary state of communication emergency

8. - G2C11

What does the Q signal "QRV" mean?

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

9. - G2D01

What is the Amateur Auxiliary to the FCC?

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

10. - G2E05

What is the standard sideband used to generate a JT65 or JT9 digital signal when using AFSK in any amateur band?

Select	Answer
A	SSB
B	LSB
C	DSB
D	USB

11. - G3A03

Approximately how long does it take the increased ultraviolet and X-ray radiation from solar flares to affect radio propagation on the Earth?

Select	Answer
A	28 days
B	1 to 2 hours
C	20 to 40 hours
D	8 minutes

12. - G3B09

What is the approximate maximum distance along the Earth's surface that is normally covered in one hop using the F2 region?

Select	Answer
A	180 miles
B	12,000 miles
C	1,200 miles
D	2,500 miles

13. - G3C11

Which of the following antenna types will be most effective for skip communications on 40-meters during the day?

Select	Answer
A	A left-hand circularly polarized antenna
B	A right-hand circularly polarized antenna
C	A horizontal dipole placed between 1/8 and 1/4 wavelength above the ground
D	A vertical antenna

14. - G4A14

What is likely to happen if a transceiver's ALC system is not set properly when transmitting AFSK signals with the radio using single sideband mode?

Select	Answer
A	Improper action of ALC distorts the signal and can cause spurious emissions
B	All of these choices are correct
C	When using digital modes, too much ALC activity can cause the transmitter to overheat
D	ALC will invert the modulation of the AFSK mode

15. - G4B15

What type of transmitter performance does a two-tone test analyze?

Select	Answer
A	Percentage of suppression of carrier and undesired sideband for SSB
B	Linearity
C	Percentage of carrier phase shift
D	Percentage of frequency modulation

16. - G4C09

How can a ground loop be avoided?

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

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

18. - G4E06

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

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

19. - G5A10

What unit is used to measure impedance?

Select	Answer
A	Volt
B	Ampere
C	Ohm
D	Watt

20. - G5B11

What is the ratio of peak envelope power to average power for an unmodulated carrier?

Select	Answer
A	1.414
B	1.00
C	2.00
D	0.707

21. - G5C09

What is the capacitance of three 100 microfarad capacitors connected in series?

Select	Answer
A	300 microfarads
B	33.3 microfarads
C	0.30 microfarads
D	0.33 microfarads

22. - G6A10

Which element of a triode vacuum tube is used to regulate the flow of electrons between cathode and plate?

Select	Answer
A	Trigger electrode
B	Heater
C	Screen Grid
D	Control grid

23. - G6B16

Which of the following describes a type N connector?

Select	Answer
A	A small bayonet connector used for data circuits
B	A moisture-resistant RF connector useful to 10 GHz
C	A threaded connector used for hydraulic systems
D	An audio connector used in surround-sound installations

24. - G7A11

Which symbol in figure G7-1 represents an NPN junction transistor?

Select	Answer
A	Symbol 11
B	Symbol 2
C	Symbol 1
D	Symbol 7

25. - G7B06

What is a shift register?

Select	Answer
A	A digital mixer
B	A clocked array of circuits that passes data in steps along the array
C	An analog mixer
D	An array of operational amplifiers used for tri-state arithmetic operations

26. - G7C07

What is the simplest combination of stages that implement a superheterodyne receiver?

Select	Answer
A	RF amplifier, mixer, IF discriminator
B	HF oscillator, prescaler, audio amplifier
C	HF oscillator, mixer, detector
D	RF amplifier, detector, audio amplifier

27. - G8A11

What is the modulation envelope of an AM signal?

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

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	416.7 Hz
B	5 kHz
C	101.75 Hz
D	60 kHz

29. - G8C06

What action results from a failure to exchange information due to excessive transmission attempts when using PACTOR or WINMOR?

Select	Answer
A	Packets will be routed incorrectly
B	The checksum overflows
C	The connection is dropped
D	Encoding reverts to the default character set

30. - G9A15

What is the effect of transmission line loss on SWR measured at the input to the line?

Select	Answer
A	The higher the transmission line loss, the more the SWR will read artificially high
B	Transmission line loss does not affect the SWR measurement
C	The higher the transmission line loss, the more accurate the SWR measurement will be
D	The higher the transmission line loss, the more the SWR will read artificially low

31. - G9B01

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

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

32. - G9C14

How does the forward gain of a two-element quad antenna compare to the forward gain of a three-element Yagi antenna?

Select	Answer
A	About the same
B	About 1.5 times as much
C	About 2/3 as much
D	About twice as much

33. - G9D05

What is an advantage of vertical stacking of horizontally polarized Yagi antennas?

Select	Answer
A	It narrows the main lobe in azimuth
B	It allows simultaneous vertical and horizontal polarization
C	It narrows the main lobe in elevation
D	It allows quick selection of vertical or horizontal polarization

34. - G0A04

What does "time averaging" mean in reference to RF radiation exposure?

Select	Answer
A	The average amount of power developed by the transmitter over a specific 24 hour period
B	The total RF exposure averaged over a certain time
C	The average time it takes RF radiation to have any long-term effect on the body
D	The total time of the exposure

35. - G0B10

Which of the following is a danger from lead-tin solder?

Select	Answer
A	Tin in the solder can "cold flow" causing shorts in the circuit
B	High voltages can cause lead-tin solder to disintegrate suddenly
C	RF energy can convert the lead into a poisonous gas
D	Lead can contaminate food if hands are not washed carefully after handling the solder

Figure G7-1