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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	Touching both terminals with the hands can cause electrical shock
B	All these choices are correct
C	Shorting the terminals can cause burns, fire, or an explosion
D	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas

2. - T0B08

Which is a proper grounding method for a tower?

Select	Answer
A	Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
B	A single four-foot ground rod, driven into the ground no more than 12 inches from the base
C	A connection between the tower base and a cold water pipe
D	A ferrite-core RF choke connected between the tower and ground

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The percentage of time that a transmitter is transmitting
B	The difference between the PEP and average power output of a transmitter
C	The percentage of time that a transmitter is not transmitting
D	The difference between the lowest power output and the highest power output of a transmitter

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	The local chapter of the Office of National Council of Independent Frequency Coordinators
B	The FCC Office of Spectrum Management and Coordination Policy
C	FCC Regional Field Office
D	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations

5. - T1B08

How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

Select	Answer
A	U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
B	International communications are not permitted in those segments
C	Digital transmissions are not permitted in those segments
D	U.S. amateurs must give foreign amateur stations priority in those segments

6. - T1C01

For which license classes are new licenses currently available from the FCC?

Select	Answer
A	Technician, Technician Plus, General, Amateur Extra
B	Novice, Technician, General, Amateur Extra
C	Technician, General, Amateur Extra
D	Novice, Technician Plus, General, Advanced

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
B	Any country banned from making such communications by the American Radio Relay League (ARRL)
C	Any country banned from such communications by the International Amateur Radio Union (IARU)
D	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	A control operator is required at all times
B	The control operator must indirectly manipulate the controls
C	All these choices are correct
D	The control operator must be at the control point

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

10. - T2A07

What is meant by "repeater offset”?

Select	Answer
A	The difference between a repeater’s transmit and receive frequencies
B	The repeater has a time delay to prevent interference
C	The repeater station identification is done on a separate frequency
D	The number of simultaneous transmit frequencies used by a repeater

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	Your transmit power is too high
B	Your repeater offset is inverted
C	You need to talk louder
D	You are talking too loudly

12. - T2C04

What is RACES?

Select	Answer
A	A radio contest held in a short period, sometimes called a “sprint”
B	An FCC part 97 amateur radio service for civil defense communications during national emergencies
C	An emergency organization combining amateur radio and citizens band operators and frequencies
D	An international radio experimentation society

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

Select	Answer
A	Random combining of signals arriving via different paths
B	Intermodulation distortion
C	Interference from thunderstorms
D	Frequency shift due to Faraday rotation

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They revolve in opposite directions
B	They travel at different speeds
C	They are at right angles
D	They are in parallel

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	D region refraction
B	F2 region refraction
C	Tropospheric ducting
D	Faraday rotation

16. - T4A08

Which of the following conductors is preferred for bonding at RF?

Select	Answer
A	Flat copper strap
B	Copper braid removed from coaxial cable
C	Twisted-pair cable
D	Steel wire

17. - T4B05

What does the scanning function of an FM transceiver do?

Select	Answer
A	Tunes through a range of frequencies to check for activity
B	Checks incoming signal deviation
C	Prevents interference to nearby repeaters
D	Checks for messages left on a digital bulletin board

18. - T5A10

Which term describes the rate at which electrical energy is used?

Select	Answer
A	Power
B	Resistance
C	Current
D	Voltage

19. - T5B05

Which is equal to 500 milliwatts?

Select	Answer
A	5 watts
B	50 watts
C	0.02 watts
D	0.5 watts

20. - T5C06

What does the abbreviation “RF” mean?

Select	Answer
A	Reflective force in antenna transmission lines
B	Radio frequency signals of all types
C	The resonant frequency of a tuned circuit
D	The real frequency transmitted as opposed to the apparent frequency

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Branch
B	Series
C	Resonant
D	Parallel

22. - T6A09

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

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

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Alternator
B	Pentagrid converter
C	Transistor
D	Triode

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Indicator lamp
B	Transistor
C	Connector
D	Resistor

25. - T6D02

What is a relay?

Select	Answer
A	A current controlled amplifier
B	An electrically-controlled switch
C	An inverting amplifier
D	A pass transistor

26. - T7A04

Which term describes the ability of a receiver to discriminate between multiple signals?

Select	Answer
A	Harmonic distortion
B	Sensitivity
C	Discrimination ratio
D	Selectivity

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Installing a band-reject filter
B	Installing an RF preamplifier
C	Installing bypass capacitors on the microphone cable
D	Using double-shielded coaxial cable

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To improve the signal-to-noise ratio of a receiver
B	To prevent transmitting signals over the air when making tests
C	To prevent over-modulation of a transmitter
D	To improve the efficiency of an antenna

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	SSB signals are less susceptible to interference
B	SSB signals are easier to tune in correctly
C	SSB signals have narrower bandwidth
D	All these choices are correct

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	Anyone
B	A licensed radio amateur who has registered for an access code from AMSAT
C	A licensed radio amateur who has been certified by the protocol developer
D	A licensed radio amateur with a transmitter equipped for interrogating the satellite

32. - T8C11

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

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

33. - T8D10

Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

Select	Answer
A	All these choices are correct
B	Earth-Moon-Earth
C	Meteor scatter
D	Weak signal propagation beacons

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

35. - T9B02

What is the most common impedance of coaxial cables used in amateur radio?

Select	Answer
A	12 ohms
B	50 ohms
C	8 ohms
D	600 ohms

Figure T-1