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	Move to a clear frequency or stop transmitting
B	Notify the FCCs regional Engineer in Charge of the interference
C	Increase your transmitter's power to overcome the interference
D	Attempt to contact the station and request that it stop the interference

2. - G1B06

When is an amateur station permitted to transmit secret codes?

Select	Answer
A	To control a space station
B	Only when the information is of a routine, personal nature
C	During a declared communications emergency
D	Only with Special Temporary Authorization from the FCC

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	3 kHz
B	1.8 kHz
C	2.8 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	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. - 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	English, Spanish, French, or German
D	The language being used for the contact

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. - G2B07

Which of the following complies with good amateur practice when choosing a frequency on which to initiate a call?

Select	Answer
A	Follow the voluntary band plan for the operating mode you intend to use
B	Identify your station by transmitting your call sign at least 3 times
C	Check to see if the channel is assigned to another station
D	All of these choices are correct

8. - G2C02

What should you do if a CW station sends "QRS"?

Select	Answer
A	Increase your power
B	Repeat everything twice
C	Send slower
D	Change frequency

9. - G2D06

How is a directional antenna pointed when making a "long-path" contact with another station?

Select	Answer
A	Toward the north
B	180 degrees from its short-path heading
C	Toward the rising Sun
D	Along the gray line

10. - G2E14

What could be wrong if you cannot decode an RTTY or other FSK signal even though it is apparently tuned in properly?

Select	Answer
A	All of these choices are correct
B	The mark and space frequencies may be reversed
C	You may have selected the wrong baud rate
D	You may be listening on the wrong sideband

11. - G3A16

What is a possible benefit to radio communications resulting from periods of high geomagnetic activity?

Select	Answer
A	Reduced long delayed echoes
B	Improved HF long path propagation
C	Higher signal strength for HF signals passing through the polar regions
D	Auroras that can reflect VHF signals

12. - G3B12

What factor or factors affect the MUF?

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

13. - G3C04

What does the term "critical angle" mean as used in radio wave propagation?

Select	Answer
A	The short path azimuth of a distant station
B	The lowest takeoff angle that will return a radio wave to the Earth under specific ionospheric conditions
C	The long path azimuth of a distant station
D	The highest takeoff angle that will return a radio wave to the Earth under specific ionospheric conditions

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

15. - G4B10

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

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

16. - G4C09

How can a ground loop be avoided?

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

17. - G4D05

How does a signal that reads 20 dB over S9 compare to one that reads S9 on a receiver, assuming a properly calibrated S meter?

Select	Answer
A	It is 100 times more powerful
B	It is 10 times less powerful
C	It is 20 times less powerful
D	It is 20 times more powerful

18. - G4E03

Which of the following direct, fused power connections would be the best for a 100 watt HF mobile installation?

Select	Answer
A	To the battery using resistor wire
B	To the alternator or generator using heavy gauge wire
C	To the battery using heavy gauge wire
D	To the alternator or generator using resistor wire

19. - G5A09

What unit is used to measure reactance?

Select	Answer
A	Farad
B	Siemens
C	Ampere
D	Ohm

20. - G5B05

How many watts are dissipated when a current of 7.0 milliamperes flows through 1.25 kilohms resistance?

Select	Answer
A	Approximately 11 milliwatts
B	Approximately 11 watts
C	Approximately 61 milliwatts
D	Approximately 61 watts

21. - G5C14

Which of the following components should be added to an inductor to increase the inductance?

Select	Answer
A	An inductor in series
B	A capacitor in series
C	A resistor in parallel
D	An inductor in parallel

22. - G6A15

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

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

23. - G6B08

How is an LED biased when emitting light?

Select	Answer
A	Forward Biased
B	Reverse Biased
C	Beyond cutoff
D	At the Zener voltage

24. - G7A06

What portion of the AC cycle is converted to DC by a full-wave rectifier?

Select	Answer
A	90 degrees
B	180 degrees
C	270 degrees
D	360 degrees

25. - G7B11

For which of the following modes is a Class C power stage appropriate for amplifying a modulated signal?

Select	Answer
A	SSB
B	All of these choices are correct
C	CW
D	AM

26. - G7C10

How is Digital Signal Processor filtering accomplished?

Select	Answer
A	By converting the signal from analog to digital and using digital processing
B	By using direct signal phasing
C	By converting the signal from digital to analog and taking the difference of mixing products
D	By differential spurious phasing

27. - G8A06

What is one advantage of carrier suppression in a single sideband phone transmission versus full carrier amplitude modulation?

Select	Answer
A	Greater modulation percentage is obtainable with lower distortion
B	Available transmitter power can be used more effectively
C	Audio fidelity is improved
D	Simpler receiving equipment can be used

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	5 kHz
B	101.75 Hz
C	416.7 Hz
D	60 kHz

29. - G8C09

What does the number 31 represent in "PSK31"?

Select	Answer
A	The number of characters that can be represented by PSK31
B	The version of the PSK protocol
C	The approximate transmitted symbol rate
D	The year in which PSK31 was invented

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	2:1
C	1:5
D	50:1

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	On the surface of the Earth or buried a few inches below the ground
C	At the center of the antenna
D	Parallel to the antenna element

32. - G9C03

Which statement about a three-element, single-band Yagi antenna is true?

Select	Answer
A	The reflector is normally the shortest element
B	Low feed point impedance increases bandwidth
C	The director is normally the shortest element
D	The driven element is the longest element

33. - G9D01

What does the term NVIS mean as related to antennas?

Select	Answer
A	Non-Varying Impedance Smoothing
B	Near Vertical Incidence sky-wave
C	Nearly Vertical Inductance System
D	Non-Varying Indicated SWR

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 OET Bulletin 65 in the station
C	All of these choices are correct
D	Post a copy of FCC Part 97.13 in the station

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