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	3650 kHz
B	1855 kHz
C	3560 kHz
D	2560 kHz

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	Transmission of bulletins of general interest to Amateur Radio licensees
C	Observation of propagation and reception
D	Automatic identification of repeaters

3. - G1C04

Which of the following limitations apply to transmitter power on every amateur band?

Select	Answer
A	Power should be limited as necessary to avoid interference to another radio service on the frequency
B	Power must be limited to 200 watts when transmitting between 14.100 MHz and 14.150 MHz
C	Only the minimum power necessary to carry out the desired communications should be used
D	Effective radiated power cannot exceed 1500 watts

4. - G1D05

Which of the following must a person have before they can be an administering VE for a Technician Class license examination?

Select	Answer
A	Notification to the FCC that you want to give an examination
B	An FCC General Class or higher license and VEC accreditation
C	Possession of a properly obtained telegraphy license
D	Receipt of a CSCE for General Class

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

6. - G2A03

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

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

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

8. - G2C05

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

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

9. - G2D05

When is it permissible to communicate with amateur stations in countries outside the areas administered by the Federal Communications Commission?

Select	Answer
A	When the contact is with amateurs in any country except those whose administrations have notified the ITU that they object to such communications
B	Only when the foreign country has a formal third party agreement filed with the FCC
C	When the contact is with amateurs in any country as long as the communication is conducted in English
D	Only when the foreign country is a member of the International Amateur Radio Union

10. - G2E10

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

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

11. - G3A06

What is a geomagnetic storm?

Select	Answer
A	A thunderstorm which affects radio propagation
B	Ripples in the ionosphere
C	A sudden drop in the solar flux index
D	A temporary disturbance in the Earth's magnetosphere

12. - G3B12

What factor or factors affect the MUF?

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

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

14. - G4A13

What is one reason to use the attenuator function that is present on many HF transceivers?

Select	Answer
A	To reduce power consumption when operating from batteries
B	To reduce the transmitter power when driving a linear amplifier
C	To reduce signal overload due to strong incoming signals
D	To slow down received CW signals for better copy

15. - G4B13

What is a use for an antenna analyzer other than measuring the SWR of an antenna system?

Select	Answer
A	Measuring the front to back ratio of an antenna
B	Determining the impedance of an unknown or unmarked coaxial cable
C	Determining the gain of a directional antenna
D	Measuring the turns ratio of a power transformer

16. - G4C06

What effect can be caused by a resonant ground connection?

Select	Answer
A	High RF voltages on the enclosures of station equipment
B	Corrosion of the ground rod
C	A ground loop
D	Overheating of ground straps

17. - G4D10

How close to the lower edge of the 40-meter General Class phone segment should your displayed carrier frequency be when using 3 kHz wide LSB?

Select	Answer
A	At least 3 kHz below the edge of the segment
B	At least 1 kHz above the edge of the segment
C	At least 3 kHz above the edge of the segment
D	Your displayed carrier frequency may be set at the edge of the segment

18. - G4E09

What is the approximate open-circuit voltage from a fully illuminated silicon photovoltaic cell?

Select	Answer
A	0.2 VDC
B	1.38 VDC
C	0.5 VDC
D	0.02 VDC

19. - G5A03

Which of the following causes opposition to the flow of alternating current in an inductor?

Select	Answer
A	Reactance
B	Admittance
C	Reluctance
D	Conductance

20. - G5B02

How does the total current relate to the individual currents in each branch of a purely resistive parallel circuit?

Select	Answer
A	It is the sum of the reciprocal of each individual voltage drop
B	It equals the average of each branch current
C	It equals the sum of the currents through each branch
D	It decreases as more parallel branches are added to the circuit

21. - G5C18

What is the value in microfarads of a 4700 nanofarad (nF) capacitor?

Select	Answer
A	0.47 microfarads
B	4.7 microfarads
C	47 microfarads
D	47,000 microfarads

22. - G6A02

What is an advantage of the low internal resistance of nickel-cadmium batteries?

Select	Answer
A	High discharge current
B	Rapid recharge
C	High voltage
D	Long life

23. - G6B11

What is a microprocessor?

Select	Answer
A	A low power analog signal processor used as a microwave detector
B	A microwave detector, amplifier, and local oscillator on a single integrated circuit
C	A low voltage amplifier used in a microwave transmitter modulator stage
D	A computer on a single integrated circuit

24. - G7A10

Which symbol in figure G7-1 represents a Zener diode?

Select	Answer
A	Symbol 4
B	Symbol 5
C	Symbol 11
D	Symbol 1

25. - G7B07

What are the basic components of virtually all sine wave oscillators?

Select	Answer
A	A circulator and a filter operating in a feed-forward loop
B	A frequency multiplier and a mixer
C	A filter and an amplifier operating in a feedback loop
D	An amplifier and a divider

26. - G7C07

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

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

27. - G8A09

What control is typically adjusted for proper ALC setting on an amateur single sideband transceiver?

Select	Answer
A	Attenuator level
B	Transmit audio or microphone gain
C	Antenna inductance or capacitance
D	The RF clipping level

28. - G8B09

Why is it good to match receiver bandwidth to the bandwidth of the operating mode?

Select	Answer
A	It improves impedance matching of the antenna
B	It results in the best signal to noise ratio
C	It is required by FCC rules
D	It minimizes power consumption in the receiver

29. - G8C12

Which type of code is used for sending characters in a PSK31 signal?

Select	Answer
A	Volumetric
B	Binary
C	Viterbi
D	Varicode

30. - G9A06

In what units is RF feed line loss usually expressed?

Select	Answer
A	Decibels per 100 feet
B	Decibels per 1000 feet
C	Ohms per 1000 feet
D	Ohms per 100 feet

31. - G9B09

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

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

32. - G9C15

Approximately how long is each side of the reflector element of a quad antenna?

Select	Answer
A	Slightly less than 1/2 wavelength
B	Slightly less than 1/4 wavelength
C	Slightly more than 1/4 wavelength
D	Slightly more than 1/2 wavelength

33. - G9D09

Which of the following is an application for a Beverage antenna?

Select	Answer
A	Directional transmitting for low HF bands
B	Portable direction finding at higher HF frequencies
C	Directional receiving for low HF bands
D	Portable direction finding at lower HF frequencies

34. - G0A04

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

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

35. - G0B05

Which of the following conditions will cause a Ground Fault Circuit Interrupter (GFCI) to disconnect the 120 or 240 Volt AC line power to a device?

Select	Answer
A	Current flowing from one or more of the voltage-carrying wires directly to ground
B	All of these choices are correct
C	Current flowing from one or more of the voltage-carrying wires to the neutral wire
D	Overvoltage on the voltage-carrying wires

Figure G7-1