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

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	When no electrical work is being performed
B	Never
C	When the work being done is not more than 20 feet above the ground
D	When no mechanical work is being performed

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	By calculation based on computer modeling
B	All these choices are correct
C	By measurement of field strength using calibrated equipment
D	By calculation based on FCC OET Bulletin 65

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
B	A bulletin sent by the FCC to announce a national emergency
C	A government transmitter marking the amateur radio band edges
D	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	2 meters
B	70 centimeters
C	6 meters
D	20 meters

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From within any country that is a member of the United Nations
B	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
C	From within any country that belongs to the International Telecommunication Union
D	From any vessel or craft located in international waters and documented or registered in the United States

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	Broadcasting
B	International Morse Code Practice
C	Telecommand or transmissions of telemetry
D	In all circumstances

8. - T1E08

Which of the following is an example of automatic control?

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

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	The person must be a U.S. citizen
B	The foreign station must be in a country with which the U.S. has a third party agreement
C	The licensed control operator must do the station identification
D	All these choices are correct

10. - T2A04

What is an appropriate way to call another station on a repeater if you know the other station's call sign?

Select	Answer
A	Say "CQ" three times, then the other station's call sign
B	Say "break, break," then say the station's call sign
C	Wait for the station to call CQ, then answer
D	Say the station's call sign, then identify with your call sign

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A single repeater with more than one receiver
B	Multiple repeaters with the same control operator
C	A system of repeaters linked by APRS
D	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network

12. - T2C11

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

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

13. - T3A06

What is the meaning of the term “picket fencing”?

Select	Answer
A	Alternating transmissions during a net operation
B	A type of ground system used with vertical antennas
C	Rapid flutter on mobile signals due to multipath propagation
D	Local vs long-distance communications

14. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

Select	Answer
A	Wavelength in meters equals frequency in hertz multiplied by 300
B	Wavelength in meters equals frequency in hertz divided by 300
C	Wavelength in meters equals frequency in megahertz divided by 300
D	Wavelength in meters equals 300 divided by frequency in megahertz

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	70 centimeters and 1.25 meters
B	23 centimeters
C	6 and 10 meters
D	All these choices are correct

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

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

18. - T5A09

Which of the following describes alternating current?

Select	Answer
A	Current that alternates between a negative direction and zero
B	Current that alternates between positive and negative directions
C	All these answers are correct
D	Current that alternates between a positive direction and zero

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	1,000,000,000 microfarads
B	0.001 microfarads
C	1 microfarad
D	1000 microfarads

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

Select	Answer
A	0.208 watts
B	30 watts
C	4.8 watts
D	14.5 watts

21. - T5D07

What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

Select	Answer
A	200 amperes
B	9600 amperes
C	0.667 amperes
D	1.5 amperes

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Fuse
B	Varactor
C	All these choices are correct
D	Thyratron

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With a stripe
B	With the letter C
C	With the letter K
D	With the word "cathode"

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	All these choices are correct
B	Wire lengths
C	Component connections
D	Physical appearance of components

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Transistor
B	Potentiometer
C	Meter
D	Relay

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Input for a preamplifier tuning tone
B	Input for a key used to send CW
C	Provides a transmit tuning tone when grounded
D	Switches transceiver from receive to transmit when grounded

27. - T7B11

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

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

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Ohmmeter
B	Voltmeter
C	Iambic pentameter
D	Directional wattmeter

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	1 kHz
B	3 kHz
C	15 kHz
D	6 kHz

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Doppler shift of the received signal
B	Rotation of the satellite and its antennas
C	Circular polarized noise interference radiated from the sun
D	Interfering signals within the satellite uplink band

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

Select	Answer
A	A technique employed to “spot” DX stations via the internet
B	A method of delivering voice communications over the internet using digital techniques
C	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
D	A set of rules specifying how to identify your station when linked over the internet to another station

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	Text messages
B	GPS position data
C	Weather data
D	All these choices are correct

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	It transmits only circularly polarized signals
B	All these choices are correct
C	It is mechanically fragile
D	It has low efficiency

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	DB-25
B	RS-213
C	UHF (PL-259/SO-239)
D	Type N