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. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

Select	Answer
A	In series with the hot conductor only
B	In parallel with the hot conductor only
C	In series with the hot and neutral conductors
D	In parallel with the hot and neutral conductors

2. - T0B07

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

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

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation is limited in range to a few feet
B	RF radiation is perfectly safe
C	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
D	RF radiation can only be detected with an RF dosimeter

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	International Telecommunication Union
B	Frequency Spectrum Manager appointed by the FCC
C	Volunteer Frequency Coordinator recognized by local amateurs
D	FCC Regional Field Office

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.500 MHz to 28.600 MHz
B	28.050 MHz to 28.150 MHz
C	28.300 MHz to 28.500 MHz
D	28.100 MHz to 28.300 MHz

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur who has been licensed continuously for more than 10 years
B	Only a licensed amateur with an Amateur Extra Class license
C	Only a licensed amateur with a General or Amateur Extra Class license
D	Any licensed amateur

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	Transmission of messages directed only to amateur operators
D	Any transmission made by the licensed station

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The third party participant
B	The station licensee
C	The person operating the station equipment
D	The station custodian

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign using only a phone emission
B	Send the call sign using a CW or phone emission
C	Send the call sign followed by the indicator RPT
D	Send the call sign followed by the indicator R

10. - T2A12

What should you do before calling CQ?

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

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To listen on a repeater’s output frequency
B	To listen on a repeater’s input frequency
C	To increase power output
D	To reduce power output

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	The call sign of the originating station
B	A list of stations that have relayed the message
C	The number of words or word equivalents in the text portion of the message
D	A box on the message form that indicates that the message was received and/or relayed

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

Select	Answer
A	The signal path encounters different concentrations of water vapor
B	VHF ionospheric propagation is very sensitive to path length
C	Multipath propagation cancels or reinforces signals
D	All these choices are correct

14. - T3B03

What are the two components of a radio wave?

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

15. - T3C03

What is a characteristic of VHF signals received via auroral backscatter?

Select	Answer
A	They occur only during winter nighttime hours
B	They are generally strongest when your antenna is aimed west
C	They are often received from 10,000 miles or more
D	They are distorted and signal strength varies considerably

16. - T4A07

Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

Select	Answer
A	Computer “line out” to transceiver push-to-talk
B	Computer “line in” to transceiver push-to-talk
C	Computer “line in” to transceiver speaker connector
D	Computer “line out” to transceiver speaker connector

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Enable squelch enhancement
B	Set the squelch threshold so that receiver output audio is on all the time
C	Turn up the audio level until it overcomes the squelch threshold
D	Turn on the anti-squelch function

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	Direct current
B	Alternating current
C	RF current
D	All these choices are correct

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	12 dB
B	10 dB
C	28 dB
D	18 dB

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The coulomb
B	The ohm
C	The ampere
D	The volt

21. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Resonant
B	Parallel
C	Series
D	Branch

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	Two circuits are each switched between one of two other circuits
B	A single circuit is switched between one of two other circuits
C	A single circuit is opened or closed
D	Two circuits are opened or closed

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	On resistance
B	Forward resistance
C	Gain
D	Forward voltage drop

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Indicator lamp
B	Resistor
C	Transistor
D	Connector

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Diode
B	Variable capacitor
C	Transistor
D	Transformer

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Impedance matching
B	Oscillation
C	Modulation
D	Low-pass filtering

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	Excessive SWR at the antenna connection
B	Frequent blowing of power supply fuses
C	The transmitter will not stay on the desired frequency
D	Reports of garbled, distorted, or unintelligible voice transmissions

28. - T7C03

What does a dummy load consist of?

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

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

Select	Answer
A	In phase
B	In quadrature
C	In parallel
D	In series

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

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

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 special digital communications mode for some satellites
C	A change in the satellite orbit
D	An observed change in signal frequency caused by relative motion between the satellite and Earth station

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A digipeater
B	A gateway
C	A repeater
D	A beacon

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

Select	Answer
A	A frame compression scheme for TV signals
B	A Normal Transmission mode in Static Circuit
C	A special mode for satellite uplink
D	An analog fast-scan color TV signal

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

Select	Answer
A	A travelling-wave antenna
B	A vertically polarized antenna
C	A horizontally polarized antenna
D	A ground-wave antenna

35. - T9B04

What is the major function of an antenna tuner (antenna coupler)?

Select	Answer
A	It helps a receiver automatically tune in weak stations
B	It automatically selects the proper antenna for the frequency band being used
C	It matches the antenna system impedance to the transceiver's output impedance
D	It allows an antenna to be used on both transmit and receive

Figure T-1