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. - G1A14

In what ITU region is operation in the 7.175 to 7.300 MHz band permitted for a control operator holding an FCC issued General Class license?

Select	Answer
A	Region 3
B	Region 1
C	Region 2
D	All three regions

2. - G1B03

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

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

3. - G1C07

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

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

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	The applicant must pass the current element 2 exam
D	There are no requirements other than being able to show a copy of the expired license

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

6. - G2A07

Which of the following statements is true of the single sideband voice mode?

Select	Answer
A	Only one sideband and the carrier are transmitted; the other sideband is suppressed
B	Only one sideband is transmitted; the other sideband and carrier are suppressed
C	SSB is the only voice mode that is authorized on the 20-meter, 15-meter, and 10-meter amateur bands
D	SSB is the only voice mode that is authorized on the 160-meter, 75-meter and 40-meter amateur bands

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

8. - G2C05

What is the best speed to use when answering a CQ in Morse code?

Select	Answer
A	At the standard calling speed of 5 wpm
B	A slow speed until contact is established
C	The speed at which the CQ was sent
D	The fastest speed at which you are comfortable copying

9. - G2D03

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

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

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

11. - G3A08

Which of the following effects can a geomagnetic storm have on radio propagation?

Select	Answer
A	Improved high-latitude HF propagation
B	Improved chances of UHF ducting
C	Improved ground-wave propagation
D	Degraded high-latitude HF propagation

12. - G3B11

What happens to HF propagation when the LUF exceeds the MUF?

Select	Answer
A	Propagation over the path on all HF frequencies is enhanced
B	HF communications over the path are enhanced
C	No HF radio frequency will support ordinary sky-wave communications over the path
D	Double hop propagation along the path is more common

13. - G3C02

Where on the Earth do ionospheric layers reach their maximum height?

Select	Answer
A	Where the Sun is overhead
B	Where the Sun has just set
C	Where the Sun is rising
D	Where the Sun is on the opposite side of the Earth

14. - G4A07

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

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

15. - G4B05

Why is high input impedance desirable for a voltmeter?

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

16. - G4C13

Which of the following can perform automatic notching of interfering carriers?

Select	Answer
A	Balanced mixing
B	Bandpass tuning
C	A noise limiter
D	A Digital Signal Processor (DSP) filter

17. - G4D01

What is the purpose of a speech processor as used in a modern transceiver?

Select	Answer
A	Prevent distortion of voice signals
B	Increase transmitter bass response for more natural sounding SSB signals
C	Decrease high-frequency voice output to prevent out of band operation
D	Increase the intelligibility of transmitted phone signals during poor conditions

18. - G4E08

What is the name of the process by which sunlight is changed directly into electricity?

Select	Answer
A	Photon emission
B	Photovoltaic conversion
C	Photosynthesis
D	Photon decomposition

19. - G5A02

What is reactance?

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

20. - G5B10

What percentage of power loss would result from a transmission line loss of 1 dB?

Select	Answer
A	25.9 percent
B	20.5 percent
C	12.2 percent
D	10.9 percent

21. - G5C02

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

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

22. - G6A10

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

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

23. - G6B06

What kind of device is an integrated circuit operational amplifier?

Select	Answer
A	Programmable Logic
B	Analog
C	MMIC
D	Digital

24. - G7A09

Which symbol in figure G7-1 represents a field effect transistor?

Select	Answer
A	Symbol 5
B	Symbol 1
C	Symbol 2
D	Symbol 4

25. - G7B09

What determines the frequency of an LC oscillator?

Select	Answer
A	The inductance and capacitance in the tank circuit
B	The number of stages in the counter
C	The number of stages in the divider
D	The time delay of the lag circuit

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, mixer, detector
C	RF amplifier, detector, audio amplifier
D	HF oscillator, prescaler, audio amplifier

27. - G8A07

Which of the following phone emissions uses the narrowest bandwidth?

Select	Answer
A	Double sideband
B	Single sideband
C	Phase modulation
D	Frequency modulation

28. - G8B05

What is the approximate bandwidth of a PACTOR3 signal at maximum data rate?

Select	Answer
A	500 Hz
B	31.5 Hz
C	2300 Hz
D	1800 Hz

29. - G8C06

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

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

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	50:1
B	5:1
C	1:5
D	2:1

31. - G9B05

How does antenna height affect the horizontal (azimuthal) radiation pattern of a horizontal dipole HF antenna?

Select	Answer
A	If the antenna is less than 1/2 wavelength high, radiation off the ends of the wire is eliminated
B	If the antenna is too high, the pattern becomes unpredictable
C	Antenna height has no effect on the pattern
D	If the antenna is less than 1/2 wavelength high, the azimuthal pattern is almost omnidirectional

32. - G9C18

What happens when the feed point of a quad antenna of any shape is moved from the midpoint of the top or bottom to the midpoint of either side?

Select	Answer
A	The polarization of the radiated signal changes from vertical to horizontal
B	The radiated signal becomes circularly polarized
C	There is no change in polarization
D	The polarization of the radiated signal changes from horizontal to vertical

33. - G9D08

Why is a Beverage antenna not used for transmitting?

Select	Answer
A	It has poor directivity
B	It has high losses compared to other types of antennas
C	Its impedance is too low for effective matching
D	All of these choices are correct

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

35. - G0B09

Why should soldered joints not be used with the wires that connect the base of a tower to a system of ground rods?

Select	Answer
A	The resistance of solder is too high
B	Solder flux will prevent a low conductivity connection
C	Solder has too high a dielectric constant to provide adequate lightning protection
D	A soldered joint will likely be destroyed by the heat of a lightning strike

Figure G7-1