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. - G1A02

On which of the following bands is phone operation prohibited?

Select	Answer
A	30 meters
B	160 meters
C	12 meters
D	17 meters

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. - G1C01

What is the maximum transmitting power an amateur station may use on 10.140 MHz?

Select	Answer
A	2000 watts PEP output
B	200 watts PEP output
C	1500 watts PEP output
D	1000 watts PEP output

4. - G1D02

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

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

5. - G1E06

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

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

6. - G2A10

Which of the following statements is true of voice VOX operation versus PTT operation?

Select	Answer
A	The received signal is more natural sounding
B	It provides more power output
C	It occupies less bandwidth
D	It allows "hands free" operation

7. - G2B11

What frequency should be used to send a distress call?

Select	Answer
A	Only frequencies authorized for RACES or ARES stations
B	Only frequencies that are within your operating privileges
C	Whichever frequency has the best chance of communicating the distress message
D	Only frequencies used by police, fire or emergency medical services

8. - G2C03

What does it mean when a CW operator sends "KN" at the end of a transmission?

Select	Answer
A	Listening for novice stations
B	Listening only for a specific station or stations
C	Operating full break-in
D	Closing station now

9. - G2D10

What is QRP operation?

Select	Answer
A	Remote piloted model control
B	Traffic relay procedure net operation
C	Low power transmit operation
D	Transmission using Quick Response Protocol

10. - G2E04

What segment of the 20-meter band is most often used for digital transmissions?

Select	Answer
A	14.070 - 14.100 MHz
B	14.150 - 14.225 MHz
C	14.275 - 14.350 MHz
D	14.000 - 14.050 MHz

11. - G3A01

What is the significance of the sunspot number with regard to HF propagation?

Select	Answer
A	Higher sunspot numbers generally indicate a greater probability of good propagation at higher frequencies
B	All of these choices are correct.
C	A zero sunspot number indicate radio propagation is not possible on any band
D	Lower sunspot numbers generally indicate greater probability of sporadic E propagation

12. - G3B01

How might a sky-wave signal sound if it arrives at your receiver by both short path and long path propagation?

Select	Answer
A	A well-defined echo might be heard
B	Signal strength increased by 3 dB
C	Periodic fading approximately every 10 seconds
D	The signal might be cancelled causing severe attenuation

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

14. - G4A01

What is the purpose of the "notch filter" found on many HF transceivers?

Select	Answer
A	To enhance the reception of a specific frequency on a crowded band
B	To restrict the transmitter voice bandwidth
C	To reduce interference from carriers in the receiver passband
D	To eliminate receiver interference from impulse noise sources

15. - G4B03

Which of the following is the best instrument to use when checking the keying waveform of a CW transmitter?

Select	Answer
A	An oscilloscope
B	A wavemeter
C	A field strength meter
D	A sidetone monitor

16. - G4C06

What effect can be caused by a resonant ground connection?

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

17. - G4D05

How does a signal that reads 20 dB over S9 compare to one that reads S9 on a receiver, assuming a properly calibrated S meter?

Select	Answer
A	It is 20 times less powerful
B	It is 10 times less powerful
C	It is 100 times more powerful
D	It is 20 times more powerful

18. - G4E07

Which of the following may cause interference to be heard in the receiver of an HF radio installed in a recent model vehicle?

Select	Answer
A	The vehicle control computer
B	The fuel delivery system
C	The battery charging system
D	All of these choices are correct

19. - G5A02

What is reactance?

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

20. - G5B04

How many watts of electrical power are used by a 12 VDC light bulb that draws 0.2 amperes?

Select	Answer
A	2.4 watts
B	24 watts
C	6 watts
D	60 watts

21. - G5C12

What is the capacitance of a 20 microfarad capacitor connected in series with a 50 microfarad capacitor?

Select	Answer
A	1000 microfarads
B	14.3 microfarads
C	0.07 microfarads
D	70 microfarads

22. - G6A09

Which of the following describes the construction of a MOSFET?

Select	Answer
A	The gate is formed by a back-biased junction
B	The source is formed by depositing metal on silicon
C	The source is separated from the drain by a thin insulating layer
D	The gate is separated from the channel with a thin insulating layer

23. - G6B06

What kind of device is an integrated circuit operational amplifier?

Select	Answer
A	Digital
B	Programmable Logic
C	MMIC
D	Analog

24. - G7A13

Which symbol in Figure G7-1 represents a tapped inductor?

Select	Answer
A	Symbol 7
B	Symbol 6
C	Symbol 11
D	Symbol 1

25. - G7B04

Which of the following describes the function of a two input NOR gate?

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

26. - G7C09

Which of the following is needed for a Digital Signal Processor IF filter?

Select	Answer
A	All of the these choices are correct
B	A digital to analog converter
C	A digital processor chip
D	An analog to digital converter

27. - G8A09

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

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

28. - G8B09

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

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

29. - G8C04

Which of the following describes Baudot code?

Select	Answer
A	A code using SELCAL and LISTEN
B	A 5-bit code with additional start and stop bits
C	A code using error detection and correction
D	A 7-bit code with start, stop and parity 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 the SWR will read artificially high
B	The higher the transmission line loss, the more accurate the SWR measurement will be
C	Transmission line loss does not affect the SWR measurement
D	The higher the transmission line loss, the more the SWR will read artificially low

31. - G9B09

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

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

32. - G9C12

Which of the following is an advantage of using a gamma match for impedance matching of a Yagi antenna to 50 ohm coax feed line?

Select	Answer
A	It is useful for matching multiband antennas
B	All of these choices are correct
C	It does not require that the elements be insulated from the boom
D	It does not require any inductors or capacitors

33. - G9D05

What is an advantage of vertical stacking of horizontally polarized Yagi antennas?

Select	Answer
A	It narrows the main lobe in elevation
B	It allows simultaneous vertical and horizontal polarization
C	It narrows the main lobe in azimuth
D	It allows quick selection of vertical or horizontal polarization

34. - G0A02

Which of the following properties is important in estimating whether an RF signal exceeds the maximum permissible exposure (MPE)?

Select	Answer
A	Its frequency
B	Its duty cycle
C	Its power density
D	All of these choices are correct

35. - G0B13

What must you do when powering your house from an emergency generator?

Select	Answer
A	All of these choices are correct
B	Insure that all lightning grounds are disconnected
C	Disconnect the incoming utility power feed
D	Insure that the generator is not grounded

Figure G7-1