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	3560 kHz
B	2560 kHz
C	1855 kHz
D	3650 kHz

2. - G1B10

What is the power limit for beacon stations?

Select	Answer
A	100 watts PEP output
B	20 watts PEP output
C	10 watts PEP output
D	200 watts PEP output

3. - G1C07

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

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

4. - G1D02

What license examinations may you administer when you are an accredited VE holding a General Class operator license?

Select	Answer
A	General and Technician
B	General only
C	Technician only
D	Extra, General and Technician

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	The language being used for the contact
D	English, Spanish, French, or German

6. - G2A04

Which mode is most commonly used for voice communications on the 17-meter and 12-meter bands?

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

7. - G2B08

What is the "DX window" in a voluntary band plan?

Select	Answer
A	An FCC rule that allows only digital contacts in that portion of the band
B	A portion of the band that should not be used for contacts between stations within the 48 contiguous United States
C	An FCC rule that prohibits contacts between stations within the United States and possessions in that portion of the band
D	A portion of the band that has been voluntarily set aside for digital contacts only

8. - G2C07

When sending CW, what does a "C" mean when added to the RST report?

Select	Answer
A	Key clicks
B	100 percent copy
C	Chirpy or unstable signal
D	Report was read from an S meter rather than estimated

9. - G2D01

What is the Amateur Auxiliary to the FCC?

Select	Answer
A	Amateur volunteers who use their station equipment to help civil defense organizations in times of emergency
B	Amateur volunteers who conduct amateur licensing examinations
C	Amateur volunteers who are formally enlisted to monitor the airwaves for rules violations
D	Amateur volunteers who conduct frequency coordination for amateur VHF repeaters

10. - G2E02

How can a PACTOR modem or controller be used to determine if the channel is in use by other PACTOR stations?

Select	Answer
A	Send the message: "Is this frequency in use?"
B	Unplug the data connector temporarily and see if the channel-busy indication is turned off
C	Transmit UI packets several times and wait to see if there is a response from another PACTOR station
D	Put the modem or controller in a mode which allows monitoring communications without a connection

11. - G3A07

At what point in the solar cycle does the 20-meter band usually support worldwide propagation during daylight hours?

Select	Answer
A	At any point in the solar cycle
B	Only at the minimum point of the solar cycle
C	At the summer solstice
D	Only at the maximum point of the solar cycle

12. - G3B02

Which of the following is a good indicator of the possibility of sky-wave propagation on the 6-meter band?

Select	Answer
A	Long skip sky-wave propagation on the 10-meter band
B	Severe attenuation of signals on the 10-meter band
C	Short skip sky-wave propagation on the 10-meter band
D	Long delayed echoes on the 10-meter band

13. - G3C07

What makes HF scatter signals often sound distorted?

Select	Answer
A	Energy is scattered into the skip zone through several different radio wave paths
B	Ground waves are absorbing much of the signal
C	The ionospheric layer involved is unstable
D	The E-region is not present

14. - G4A06

What type of device is often used to match transmitter output impedance to an impedance not equal to 50 ohms?

Select	Answer
A	Balanced modulator
B	Antenna coupler or antenna tuner
C	SWR Bridge
D	Q Multiplier

15. - G4B07

What signals are used to conduct a two-tone test?

Select	Answer
A	Two non-harmonically related audio signals
B	Two audio frequency range square wave signals of equal amplitude
C	Two swept frequency tones
D	Two audio signals of the same frequency shifted 90 degrees

16. - G4C11

Which of the following is a function of a digital signal processor?

Select	Answer
A	To increase antenna bandwidth
B	To remove noise from received signals
C	To increase antenna gain
D	To provide adequate grounding

17. - G4D09

What frequency range is occupied by a 3 kHz USB signal with the displayed carrier frequency set to 14.347 MHz?

Select	Answer
A	14.3455 to 14.3485 MHz
B	14.344 to 14.347 MHz
C	14.347 to 14.350 MHz
D	14.347 to 14.647 MHz

18. - G4E09

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

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

19. - G5A10

What unit is used to measure impedance?

Select	Answer
A	Ampere
B	Ohm
C	Watt
D	Volt

20. - G5B06

What is the output PEP from a transmitter if an oscilloscope measures 200 volts peak-to-peak across a 50 ohm dummy load connected to the transmitter output?

Select	Answer
A	1.4 watts
B	353.5 watts
C	400 watts
D	100 watts

21. - G5C09

What is the capacitance of three 100 microfarad capacitors connected in series?

Select	Answer
A	0.30 microfarads
B	0.33 microfarads
C	300 microfarads
D	33.3 microfarads

22. - G6A16

What will happen to the resistance if the temperature of a resistor is increased?

Select	Answer
A	It will stay the same
B	It will become time dependent
C	It will change depending on the resistor's reactance coefficient
D	It will change depending on the resistor's temperature coefficient

23. - G6B07

Which of the following is an advantage of an LED indicator compared to an incandescent indicator?

Select	Answer
A	Faster response time
B	Lower power consumption
C	All of these choices are correct
D	Longer life

24. - G7A05

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

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

25. - G7B10

Which of the following is a characteristic of a Class A amplifier?

Select	Answer
A	High Efficiency
B	Low distortion
C	No need for bias
D	Low standby power

26. - G7C10

How is Digital Signal Processor filtering accomplished?

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

27. - G8A09

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

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

28. - G8B04

What is the stage in a VHF FM transmitter that generates a harmonic of a lower frequency signal to reach the desired operating frequency?

Select	Answer
A	Pre-emphasis network
B	Multiplier
C	Mixer
D	Reactance modulator

29. - G8C04

Which of the following describes Baudot code?

Select	Answer
A	A code using SELCAL and LISTEN
B	A 7-bit code with start, stop and parity bits
C	A code using error detection and correction
D	A 5-bit code with additional start and stop bits

30. - G9A15

What is the effect of transmission line loss on SWR measured at the input to the line?

Select	Answer
A	The higher the transmission line loss, the more accurate the SWR measurement will be
B	The higher the transmission line loss, the more the SWR will read artificially high
C	The higher the transmission line loss, the more the SWR will read artificially low
D	Transmission line loss does not affect the SWR measurement

31. - G9B07

How does the feed point impedance of a 1/2 wave dipole antenna change as the antenna is lowered below 1/4 wave above ground?

Select	Answer
A	It steadily increases
B	It peaks at about 1/8 wavelength above ground
C	It steadily decreases
D	It is unaffected by the height above ground

32. - G9C04

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

Select	Answer
A	The director is normally the longest element
B	The reflector is normally the shortest element
C	All of the elements must be the same length
D	The reflector is normally the longest element

33. - G9D01

What does the term NVIS mean as related to antennas?

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

34. - G0A12

What precaution should you take whenever you make adjustments or repairs to an antenna?

Select	Answer
A	Wear a radiation badge
B	Ensure that you and the antenna structure are grounded
C	All of these choices are correct
D	Turn off the transmitter and disconnect the feed line

35. - G0B08

What should be done by any person preparing to climb a tower that supports electrically powered devices?

Select	Answer
A	Notify the electric company that a person will be working on the tower
B	All of these choices are correct
C	Unground the base of the tower
D	Make sure all circuits that supply power to the tower are locked out and tagged