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. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	All these choices are correct
B	Install mechanical interlocks in high-voltage circuits
C	Use three-wire cords and plugs for all AC powered equipment
D	Connect all AC powered station equipment to a common safety ground

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Provide a ground path for lightning strikes
B	Provide an ability to measure for proper tensioning
C	Prevent loosening of the turnbuckle from vibration
D	Secure the guy line if the turnbuckle breaks

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	All these choices are correct
B	RF burn to skin
C	Radiation poisoning
D	Electrocution

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	It is required when in contact with foreign stations
B	It is encouraged
C	It is required when transmitting emergency messages
D	All these choices are correct

5. - T1B08

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

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

6. - T1C04

What may happen if the FCC is unable to reach you by email?

Select	Answer
A	Revocation of access to the license record in the FCC system
B	Fine and suspension of operator license
C	Revocation of the station license or suspension of the operator license
D	Nothing; there is no such requirement

7. - T1D10

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

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

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	Controlling a model aircraft, boat, or car by amateur radio
B	Operating the station over the internet
C	All these choices are correct
D	Repeater operation

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least every 10 minutes during and at the end of a communication
B	At the beginning of each contact, and every 10 minutes thereafter
C	At least once during each transmission
D	At least every 15 minutes during and at the end of a communication

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

Select	Answer
A	Plus or minus 1 MHz
B	Plus or minus 5 MHz
C	Plus or minus 500 kHz
D	Plus or minus 600 kHz

11. - T2B08

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

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

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	When operating a RACES station
B	FCC rules always apply
C	When operating under special ARES rules
D	When operating under special FEMA rules

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Knife-edge diffraction
B	Absorption
C	Amplification
D	Polarization 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 are at right angles
C	They travel at different speeds
D	They are in parallel

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Sunspots and solar flares
B	Discharges of lightning during electrical storms
C	Updrafts from hurricanes and tornadoes
D	Temperature inversions in the atmosphere

16. - T4A12

What is an electronic keyer?

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

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	Prevents interference to nearby repeaters
C	Checks for messages left on a digital bulletin board
D	Checks incoming signal deviation

18. - T5A03

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

Select	Answer
A	Capacitance
B	Voltage
C	Current
D	Resistance

19. - T5B13

Which is equal to 2425 MHz?

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

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	Mhz
B	mh
C	MH
D	MHz

21. - T5D14

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

Select	Answer
A	Resonant
B	Series
C	Branch
D	Parallel

22. - T6A01

What electrical component opposes the flow of current in a DC circuit?

Select	Answer
A	Transformer
B	Inverter
C	Resistor
D	Inductor

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Thermistor
B	Varistor
C	Potentiometer
D	Transistor

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Ground symbol
B	Resistor
C	Transistor
D	Lamp

25. - T6D06

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

Select	Answer
A	Transformer
B	Transistor
C	Variable capacitor
D	Diode

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

Select	Answer
A	Reactance modulator
B	Oscillator
C	Low-pass filter
D	Phase modulator

27. - T7B02

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

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

28. - T7C09

Which of the following causes failure of coaxial cables?

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

29. - T7D02

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

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

30. - T8A12

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

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

31. - T8B05

What is a satellite beacon?

Select	Answer
A	A reflective surface on the satellite
B	The primary transmit antenna on the satellite
C	A transmission from a satellite that contains status information
D	An indicator light that shows where to point your antenna

32. - T8C05

What is a grid locator?

Select	Answer
A	A letter-number designator assigned to a geographic location
B	An instrument for radio direction finding
C	A letter-number designator assigned to an azimuth and elevation
D	An instrument for neutralizing a final amplifier

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
B	A wide-bandwidth digital voice mode employing DMR protocols
C	An internet linking protocol used to network repeaters
D	A satellite communications network using modified commercial satellite TV hardware

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	6
B	50
C	236
D	112

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	Multi-conductor unbalanced cable
B	50-ohm flexible coax
C	Air-insulated hardline
D	75-ohm flexible coax

Figure T-1