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. - G1A04

Which of the following amateur bands is restricted to communication on only specific channels, rather than frequency ranges?

Select	Answer
A	30 meters
B	60 meters
C	11 meters
D	12 meters

2. - G1B03

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

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

3. - G1C08

What is the maximum symbol rate permitted for RTTY or data emission transmitted at frequencies below 28 MHz?

Select	Answer
A	19.6 kilobaud
B	300 baud
C	1200 baud
D	56 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	There are no requirements other than being able to show a copy of the expired 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	They must have a letter from the FCC showing they once held an amateur or commercial license

5. - G1E06

Which of the following applies in the event of interference between a coordinated repeater and an uncoordinated repeater?

Select	Answer
A	The licensee of the uncoordinated repeater has primary responsibility to resolve the interference
B	The licensee of the coordinated repeater has primary responsibility to resolve the interference
C	Both repeater licensees share equal responsibility to resolve the interference
D	The frequency coordinator bears primary responsibility to resolve the interference

6. - G2A05

Which mode of voice communication is most commonly used on the HF amateur bands?

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

7. - G2B07

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

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

8. - G2C08

What prosign is sent to indicate the end of a formal message when using CW?

Select	Answer
A	KN
B	BK
C	SK
D	AR

9. - G2D06

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

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

10. - G2E09

How do you join a contact between two stations using the PACTOR protocol?

Select	Answer
A	Transmit a steady carrier until the PACTOR protocol times out and disconnects
B	Send a NAK response continuously so that the sending station has to pause
C	Send broadcast packets containing your call sign while in MONITOR mode
D	Joining an existing contact is not possible, PACTOR connections are limited to two stations

11. - G3A16

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

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

12. - G3B07

What does LUF stand for?

Select	Answer
A	The Lowest Usable Frequency for communications between two points
B	The Longest Universal Function during a 24 hour period
C	The Longest Universal Function for communications between two points
D	The Lowest Usable Frequency during a 24 hour period

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

14. - G4A03

What is normally meant by operating a transceiver in "split" mode?

Select	Answer
A	The transceiver is set to different transmit and receive frequencies
B	The transmitter is emitting an SSB signal, as opposed to DSB operation
C	The radio is operating at half power
D	The transceiver is operating from an external power source

15. - G4B09

Which of the following can be determined with a field strength meter?

Select	Answer
A	The radiation pattern of an antenna
B	The presence and amount of amplitude distortion of a transmitter
C	The radiation resistance of an antenna
D	The presence and amount of phase distortion of a transmitter

16. - G4C08

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

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

17. - G4D03

Which of the following can be the result of an incorrectly adjusted speech processor?

Select	Answer
A	Distorted speech
B	Splatter
C	Excessive background pickup
D	All of these choices are correct

18. - G4E11

Which of the following is a disadvantage of using wind as the primary source of power for an emergency station?

Select	Answer
A	A large energy storage system is needed to supply power when the wind is not blowing
B	The voltage and current ratings of such systems are not compatible with amateur equipment
C	The conversion efficiency from mechanical energy to electrical energy is less than 2 percent
D	All of these choices are correct

19. - G5A02

What is reactance?

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

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 sum of the currents through each branch
C	It equals the average of each branch current
D	It decreases as more parallel branches are added to the circuit

21. - G5C16

Why is the conductor of the primary winding of many voltage step up transformers larger in diameter than the conductor of the secondary winding?

Select	Answer
A	To insure that the volume of the primary winding is equal to the volume of the secondary winding
B	To improve the coupling between the primary and secondary
C	To accommodate the higher current of the primary
D	To prevent parasitic oscillations due to resistive losses in the primary

22. - G6A19

How should the winding axes of two solenoid inductors be oriented to minimize their mutual inductance?

Select	Answer
A	At right angles to each other
B	In line
C	Parallel to each other
D	Interleaved

23. - G6B11

What is a microprocessor?

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

24. - G7A10

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

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

25. - G7B01

Complex digital circuitry can often be replaced by what type of integrated circuit?

Select	Answer
A	Microcontroller
B	Window comparator
C	Charge-coupled device
D	Phase detector

26. - G7C07

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

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

27. - G8A04

What emission is produced by a reactance modulator connected to a transmitter RF amplifier stage?

Select	Answer
A	Multiplex modulation
B	Phase modulation
C	Pulse modulation
D	Amplitude modulation

28. - G8B06

What is the total bandwidth of an FM phone transmission having 5 kHz deviation and 3 kHz modulating frequency?

Select	Answer
A	5 kHz
B	8 kHz
C	3 kHz
D	16 kHz

29. - G8C11

How are the two separate frequencies of a Frequency Shift Keyed (FSK) signal identified?

Select	Answer
A	Dot and Dash
B	High and Low
C	Mark and Space
D	On and Off

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

31. - G9B11

What is the approximate length for a 1/2 wave dipole antenna cut for 3.550 MHz?

Select	Answer
A	131 feet
B	263 feet
C	84 feet
D	42 feet

32. - G9C01

Which of the following would increase the bandwidth of a Yagi antenna?

Select	Answer
A	Loading coils in series with the element
B	Larger diameter elements
C	Closer element spacing
D	Tapered-diameter elements

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 lower HF frequencies
C	Portable direction finding at higher HF frequencies
D	Directional receiving for low HF bands

34. - G0A09

What type of instrument can be used to accurately measure an RF field?

Select	Answer
A	An SWR meter with a peak-reading function
B	A receiver with an S meter
C	A calibrated field strength meter with a calibrated antenna
D	An oscilloscope with a high-stability crystal marker generator

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

Figure G7-1