US Amateur Radio - General (Element 3, 2023-2027) Practice Test

Anonymous User

US Amateur Radio - General (Element 3, 2023-2027) Practice Test

Logging in (or registering) will help the system to select questions that you need to focus on.

1. - G0A04

What does “time averaging” mean when evaluating RF radiation exposure?

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

2. - G0B11

Which of the following is required for lightning protection ground rods?

Select	Answer
A	Lightning grounds must be connected to all ungrounded wiring
B	They must be bonded together with all other grounds
C	Bends in ground wires must be made as close as possible to a right angle
D	They must be bonded to all buried water and gas lines

3. - G1A04

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

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

4. - G1B01

What is the maximum height above ground for an antenna structure not near a public use airport without requiring notification to the FAA and registration with the FCC?

Select	Answer
A	200 feet
B	250 feet
C	50 feet
D	100 feet

5. - G1C09

What is the maximum power limit on the 60-meter band?

Select	Answer
A	ERP of 100 watts PEP with respect to an isotropic antenna
B	1500 watts PEP
C	ERP of 100 watts PEP with respect to a dipole
D	10 watts RMS

6. - G1D09

How long is a Certificate of Successful Completion of Examination (CSCE) valid for exam element credit?

Select	Answer
A	For as long as your current license is valid
B	30 days
C	365 days
D	180 days

7. - G1E01

Which of the following would disqualify a third party from participating in sending a message via an amateur station?

Select	Answer
A	The third party’s amateur license has been revoked and not reinstated
B	The third party is speaking in a language other than English
C	All these choices are correct
D	The third party is not a US citizen

8. - G2A03

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

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

9. - G2B07

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

Select	Answer
A	All these choices are correct
B	Identify your station by transmitting your call sign at least 3 times
C	Listen on the frequency for at least two minutes to be sure it is clear
D	Follow the voluntary band plan

10. - G2C01

Which of the following describes full break-in CW operation (QSK)?

Select	Answer
A	Automatic keyers, instead of hand keys, are used to send Morse code
B	An operator must activate a manual send/receive switch before and after every transmission
C	Breaking stations send the Morse code prosign “BK”
D	Transmitting stations can receive between code characters and elements

11. - G2D07

Which of the following are examples of the NATO Phonetic Alphabet?

Select	Answer
A	Able, Baker, Charlie, Dog
B	Alpha, Bravo, Charlie, Delta
C	America, Boston, Canada, Denmark
D	Adam, Boy, Charles, David

12. - G2E15

Which of the following is a common location for FT8?

Select	Answer
A	Approximately 14.074 MHz to 14.077 MHz
B	Anywhere in the voice portion of the band
C	Approximately 14.110 MHz to 14.113 MHz
D	Anywhere in the CW portion of the band

13. - G3A14

How is long distance radio communication usually affected by the charged particles that reach Earth from solar coronal holes?

Select	Answer
A	VHF/UHF ducting is improved
B	VHF/UHF ducting is disturbed
C	HF communication is disturbed
D	HF communication is improved

14. - G3B02

What factors affect the MUF?

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

15. - G3C11

Which ionospheric region is the most absorbent of signals below 10 MHz during daylight hours?

Select	Answer
A	The D region
B	The E region
C	The F1 region
D	The F2 region

16. - G4A03

How does a noise blanker work?

Select	Answer
A	By reducing receiver gain during a noise pulse
B	By redirecting noise pulses into a filter capacitor
C	By clipping noise peaks
D	By temporarily increasing received bandwidth

17. - G4B02

Which of the following is an advantage of an oscilloscope versus a digital voltmeter?

Select	Answer
A	Greater precision
B	Complex impedances can be easily measured
C	An oscilloscope uses less power
D	Complex waveforms can be measured

18. - G4C11

What technique helps to minimize RF “hot spots” in an amateur station?

Select	Answer
A	Using surge suppressor power outlets
B	Bonding all equipment enclosures together
C	Placing low-pass filters on all feed lines
D	Building all equipment in a metal enclosure

19. - G4D07

How much must the power output of a transmitter be raised to change the S meter reading on a distant receiver from S8 to S9?

Select	Answer
A	Approximately 8 times
B	Approximately 2 times
C	Approximately 1.5 times
D	Approximately 4 times

20. - G4E08

In what configuration are the individual cells in a solar panel connected together?

Select	Answer
A	Bypass
B	Shunt
C	Full-wave bridge
D	Series-parallel

21. - G5A12

What occurs in an LC circuit at resonance?

Select	Answer
A	Current and voltage are equal
B	Inductive reactance and capacitive reactance cancel
C	The circuit radiates all its energy in the form of radio waves
D	Resistance is cancelled

22. - G5B10

What percentage of power loss is equivalent to a loss of 1 dB?

Select	Answer
A	10.9 percent
B	25.9 percent
C	12.2 percent
D	20.6 percent

23. - G5C10

What is the inductance of three 10-millihenry inductors connected in parallel?

Select	Answer
A	0.30 henries
B	30 millihenries
C	3.3 millihenries
D	3.3 henries

24. - G6A12

What is the primary purpose of a screen grid in a vacuum tube?

Select	Answer
A	To decrease plate resistance
B	To increase efficiency
C	To reduce grid-to-plate capacitance
D	To increase the control grid resistance

25. - G6B02

What is meant by the term MMIC?

Select	Answer
A	Mode Modulated Integrated Circuit
B	Metal Monolayer Integrated Circuit
C	Monolithic Microwave Integrated Circuit
D	Multi-Mode Integrated Circuit

26. - G7A06

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

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

27. - G7B03

Which of the following describes the function of a two-input AND gate?

Select	Answer
A	Output is low only when both inputs are high
B	Output is high only when both inputs are high
C	Output is high when either or both inputs are low
D	Output is low when either or both inputs are high

28. - G7C04

How is a product detector used?

Select	Answer
A	Used in transmitter to perform frequency multiplication
B	Used in an FM receiver to filter out unwanted sidebands
C	Used in a single sideband receiver to extract the modulated signal
D	Used in test gear to detect spurious mixing products

29. - G8A13

What is a link budget?

Select	Answer
A	The difference between transmit power and receiver sensitivity
B	The financial costs associated with operating a radio link
C	The sum of antenna gains minus system losses
D	The sum of transmit power and antenna gains minus system losses as seen at the receiver

30. - G8B13

Which of the following is an odd-order intermodulation product of frequencies F1 and F2?

Select	Answer
A	3F1-F2
B	All these choices are correct
C	2F1-F2
D	5F1-3F2

31. - G8C15

What does an FT8 signal report of +3 mean?

Select	Answer
A	The signal-to-noise ratio is equivalent to +3dB in a 2.5 kHz bandwidth
B	The signal is 3 dB over S9
C	The signal is 3 times the noise level of an equivalent SSB signal
D	The signal is S3 (weak signals)

32. - G9A05

How does the attenuation of coaxial cable change with increasing frequency?

Select	Answer
A	Attenuation is independent of frequency
B	Attenuation decreases
C	Attenuation increases
D	Attenuation follows Marconi’s Law of Attenuation

33. - G9B10

What is the approximate length for a 1/2 wave dipole antenna cut for 14.250 MHz?

Select	Answer
A	16 feet
B	33 feet
C	24 feet
D	8 feet

34. - G9C03

How do the lengths of a three-element Yagi reflector and director compare to that of the driven element?

Select	Answer
A	The reflector is longer, and the director is shorter
B	They are all the same length
C	Relative length depends on the frequency of operation
D	The reflector is shorter, and the director is longer

35. - G9D03

In which direction is the maximum radiation from a VHF/UHF “halo” antenna?

Select	Answer
A	Opposite the feed point
B	Omnidirectional in the plane of the halo
C	On the same side as the feed point
D	Broadside to the plane of the halo