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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Bond them together with heavy wire or conductive strap
B	Tune them for resonance on the lowest frequency of operation
C	Keep them as far apart as possible
D	Waterproof them with silicone caulk or electrical tape

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	Make sure all ground wire bends are right angles
B	All these choices are correct
C	Put a drip loop in the ground connection to prevent water damage to the ground system
D	Ensure that connections are short and direct

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

4. - T1A07

What is the FCC Part 97 definition of a space station?

Select	Answer
A	Any satellite orbiting Earth
B	An amateur station located more than 50 km above Earth's surface
C	A manned satellite orbiting Earth
D	An amateur station using amateur radio satellites for relay of signals

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	70 centimeters
B	2 meters
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 any vessel or craft located in international waters and documented or registered in the United States
B	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
C	From within any country that is a member of the United Nations
D	From within any country that belongs to the International Telecommunication Union

7. - T1D02

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

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

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	A General class or higher licensee with a satellite operator certification
B	Any amateur allowed to transmit on the satellite uplink frequency
C	Only an Amateur Extra Class operator who is also an AMSAT member
D	Only an Amateur Extra Class operator

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Repeater station
B	Earth station
C	Message forwarding station
D	Beacon station

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	146.520 MHz
B	145.000 MHz
C	432.100 MHz
D	446.000 MHz

11. - T2B11

Which Q signal indicates that you are changing frequency?

Select	Answer
A	QSL
B	QRU
C	QRZ
D	QSY

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	No
B	Yes, but only in situations involving the immediate safety of human life or protection of property
C	Yes, but only when part of a FEMA emergency plan
D	Yes, but only when part of a RACES emergency plan

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	No significant changes will occur if the signals are transmitted using FM
B	Transmission rates must be increased by a factor equal to the number of separate paths observed
C	Error rates are likely to increase
D	Transmission rates must be decreased by a factor equal to the number of separate paths observed

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	30 to 300 MHz
B	300 to 3000 kHz
C	3 to 30 MHz
D	300 to 3000 MHz

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From dawn to shortly after sunset during periods of high sunspot activity
B	From dawn to shortly after sunset during periods of low sunspot activity
C	From shortly after sunset to dawn during periods of low sunspot activity
D	From shortly after sunset to dawn during periods of high sunspot activity

16. - T4A12

What is an electronic keyer?

Select	Answer
A	An interlock to prevent unauthorized use of a radio
B	A device that assists in manual sending of Morse code
C	A device for switching antennas from transmit to receive
D	A device for voice activated switching from receive to transmit

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 bandwidth selection
C	The AGC or limiter
D	The tone squelch

18. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Capacitance
B	Resistance
C	Current
D	Voltage

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	0.002425 GHz
B	2.425 GHz
C	24.25 GHz
D	2425 GHz

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	mh
B	Mhz
C	MHz
D	MH

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	1.5 amperes
C	9600 amperes
D	0.667 amperes

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Double-pole double-throw
B	Single-pole double-throw
C	Single-pole single-throw
D	Double-pole single-throw

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Transformer
B	Transistor
C	Resistor
D	Reactor

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Variable inductor
B	Transformer
C	Potentiometer
D	Double-pole switch

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	A circuit designed to provide high-fidelity audio
B	An inductor and a capacitor in series or parallel
C	A linear voltage regulator
D	A resistor circuit used for reducing standing wave ratio

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for converting receiver and transmitter frequencies to another band
B	A device for matching feed line impedance to 50 ohms
C	A device for automatically sending and decoding Morse code
D	A device that combines a receiver and transmitter

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The deviation of an FM transmitter is set too low
B	The receiver is unable to reject strong signals outside the AM or FM band
C	The audio amplifier of the transmitter is overloaded
D	The microphone gain of the transmitter is turned up too high

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Operation at 100% duty cycle for an extended period
B	Solder flux contamination
C	Moisture contamination
D	Rapid fluctuation in transmitter output power

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	All these choices are correct
B	Signal strength and noise
C	Voltage and resistance
D	Impedance and reactance

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 3 MHz
B	About 1 MHz
C	More than 10 MHz
D	About 6 MHz

31. - T8B07

What is Doppler shift in reference to satellite communications?

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

32. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	A directional antenna
B	All these choices are correct
C	Calibrated SWR meter
D	A calibrated noise bridge

33. - T8D07

Which of the following describes DMR?

Select	Answer
A	An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
B	A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
C	A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
D	An automatic position tracking mode for FM mobiles communicating through repeaters

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Lengthening it
B	Inserting coils in series with radiating wires
C	Adding capacitive loading to the ends of the radiating wires
D	Shortening it

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are a bayonet-type connector
B	They are watertight
C	They are commonly used at HF and VHF frequencies
D	They are preferred for microwave operation

Figure T-2