US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

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US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

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1. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Black insulation is never used
B	Hot
C	Neutral
D	Equipment ground

2. - T0B07

Which of the following is an important safety rule to remember when using a crank-up tower?

Select	Answer
A	All these choices are correct
B	This type of tower must never be painted
C	This type of tower must never be grounded
D	This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

Select	Answer
A	3.5 MHz
B	1296 MHz
C	440 MHz
D	50 MHz

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Select	Answer
A	The FCC
B	Homeland Security
C	All these choices are correct
D	FEMA

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	52.525 MHz
B	222.15 MHz
C	28.50 MHz
D	49.00 MHz

6. - T1C09

What is the grace period for renewal if an amateur license expires?

Select	Answer
A	Five years
B	Two years
C	Three years
D	Ten years

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Two-way transmissions by amateur stations
B	Transmissions intended for reception by the general public
C	Any transmission made by the licensed station
D	Transmission of messages directed only to amateur operators

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Using a computer or other device to send CW automatically
B	Using a computer or other device to identify automatically
C	Controlling a station over the internet
D	Repeater operation

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The owner of the repeater
B	The control operator of the repeater
C	Both the originating station and the repeater owner
D	The control operator of the originating station

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	Ask if the frequency is in use
B	Listen first to be sure that no one else is using the frequency
C	Make sure you are authorized to use that frequency
D	All these choices are correct

11. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

Select	Answer
A	Both stations should choose another frequency to avoid conflict
B	Interference is inevitable, so no action is required
C	The stations should negotiate continued use of the frequency
D	Use subaudible tones so both stations can share the frequency

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	Spell the words using a standard phonetic alphabet
B	Send the words by voice and Morse code
C	All these choices are correct
D	Speak very loudly into the microphone

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	FM voice is unusable
B	Both the transmitting and receiving antennas must be of the same polarization
C	Either vertically or horizontally polarized antennas may be used for transmission or reception
D	Digital modes are unusable

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Impedance and reactance
B	Ionizing and non-ionizing radiation
C	Electric and magnetic fields
D	Voltage and current

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	D region absorption
B	Gray-line propagation
C	Backscatter
D	Sporadic E

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	In the feed line, between the transmitter and antenna
B	At the power supply output
C	In the power supply cable, as close as possible to the radio
D	In parallel with the push-to-talk line and the antenna

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The RIT or Clarifier
B	The AGC or limiter
C	The tone squelch
D	The bandwidth selection

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Inductance
B	Voltage
C	Capacitance
D	Ampere-hours

19. - T5B04

Which is equal to one microvolt?

Select	Answer
A	One one-millionth of a volt
B	One one-thousandth of a volt
C	One million volts
D	One thousand kilovolts

20. - T5C12

What is impedance?

Select	Answer
A	The Q or Quality Factor of a component
B	The power handling capability of a component
C	The opposition to AC current flow
D	The inverse of resistance

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	48 ohms
B	3 ohms
C	8 ohms
D	16 ohms

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Inductor
B	Diode
C	Varistor
D	Capacitor

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Resistor
B	Diode
C	Driven element
D	Fuse

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Meter
B	Variable inductor
C	Variable capacitor
D	Connector

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	Bipolar transistor
B	LED
C	FET
D	Zener diode

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Select	Answer
A	Set the amplifier for proper operation in the selected mode
B	Reduce the received signal noise
C	Change the frequency range of the amplifier to operate in the proper segment of the band
D	Change the mode of the transmitted signal

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Ferrite choke
B	Preamplifier
C	Low-pass filter
D	Band-pass filter

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A non-inductive resistor mounted on a heat sink
B	A low-voltage power supply and a DC relay
C	A 50-ohm reactance used to terminate a transmission line
D	A high-gain amplifier and a TR switch

29. - T7D01

Which instrument would you use to measure electric potential?

Select	Answer
A	A voltmeter
B	An ammeter
C	An ohmmeter
D	A wavemeter

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

Select	Answer
A	Only one signal can be received at a time
B	FM signals are harder to tune
C	Voice quality is poorer
D	All these choices are correct

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	A mode where the satellite receives signals on one band and transmits on another
B	A change in the satellite orbit
C	An observed change in signal frequency caused by relative motion between the satellite and Earth station
D	A special digital communications mode for some satellites

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Net operations
B	Contesting
C	Simulated emergency exercises
D	Public service events

33. - T8D01

Which of the following is a digital communications mode?

Select	Answer
A	IEEE 802.11
B	FT8
C	Packet radio
D	All these choices are correct

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	12
B	19
C	112
D	50

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Local thunderstorm
B	Loose connection in the antenna or feed line
C	Overload from a strong local station
D	Over-modulation

Figure T-3