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

2. - T0B01

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

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

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Lower frequency RF fields have more energy than higher frequency fields
B	Higher frequency RF fields are transient in nature
C	Lower frequency RF fields do not penetrate the human body
D	The human body absorbs more RF energy at some frequencies than at others

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Select	Answer
A	The FCC
B	FEMA
C	Homeland Security
D	All these choices are correct

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	So that modulation sidebands do not extend beyond the band edge
B	To allow for calibration error in the transmitter frequency display
C	All these choices are correct
D	To allow for transmitter frequency drift

6. - T1C09

What is the grace period for renewal if an amateur license expires?

Select	Answer
A	Three years
B	Two years
C	Five years
D	Ten years

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Beacon, repeater, or space stations
B	Repeater, auxiliary, or space stations
C	Earth, repeater, or space stations
D	Auxiliary, beacon, or Earth stations

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	Only an Amateur Extra Class operator
C	Only an Amateur Extra Class operator who is also an AMSAT member
D	Any amateur allowed to transmit on the satellite uplink frequency

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

Select	Answer
A	Any language recognized by the United Nations
B	English
C	English, French, or Spanish
D	Any language recognized by the ITU

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit "CQ" followed by the other station’s call sign
B	Transmit the other station’s call sign followed by your call sign
C	Transmit your call sign followed by the other station’s call sign
D	Transmit a signal report followed by your call sign

11. - T2B08

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

Select	Answer
A	Both stations should choose another frequency to avoid conflict
B	Interference is inevitable, so no action is required
C	Use subaudible tones so both stations can share the frequency
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	FCC rules always apply
B	When operating under special FEMA rules
C	When operating a RACES station
D	When operating under special ARES rules

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	Absorption
B	There is little effect
C	Range increase
D	Deflection

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C02

What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

Select	Answer
A	Long-distance ionospheric propagation is far more common on HF
B	HF accommodates wider bandwidth signals
C	There is less atmospheric interference (static) on HF
D	HF antennas are generally smaller

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To minimize voltage drop when transmitting
B	All these choices are correct
C	To avoid RF interference
D	To provide a good counterpoise for the antenna

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

18. - T5A10

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

Select	Answer
A	Resistance
B	Power
C	Current
D	Voltage

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	0.003 amperes
B	0.3 amperes
C	3 amperes
D	3,000,000 amperes

20. - T5C12

What is impedance?

Select	Answer
A	The power handling capability of a component
B	The inverse of resistance
C	The opposition to AC current flow
D	The Q or Quality Factor of a component

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	10 amperes
B	216 amperes
C	24,000 amperes
D	0.1 amperes

22. - T6A11

Which of the following battery chemistries is not rechargeable?

Select	Answer
A	Lithium-ion
B	Carbon-zinc
C	Lead-acid
D	Nickel-cadmium

23. - T6B03

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

Select	Answer
A	Potentiometer
B	Varistor
C	Thermistor
D	Transistor

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Schematic
B	Connector pinout
C	Flow chart
D	Bill of materials

25. - T6D04

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

Select	Answer
A	Potentiometer
B	Transistor
C	Relay
D	Meter

26. - T7A04

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

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

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	Fundamental overload
B	Harmonics
C	All these choices are correct
D	Spurious emissions

28. - T7C03

What does a dummy load consist of?

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

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

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

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

Select	Answer
A	SSB
B	AM
C	FM or PM
D	PSK

31. - T8B07

What is Doppler shift in reference to satellite communications?

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

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

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

33. - T8D06

What does the abbreviation "PSK" mean?

Select	Answer
A	Phased Slide Keying
B	Pulse Shift Keying
C	Phase Shift Keying
D	Packet Short Keying

34. - T9A05

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

Select	Answer
A	Adding capacitive loading to the ends of the radiating wires
B	Inserting coils in series with radiating wires
C	Shortening it
D	Lengthening 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 commonly used at HF and VHF frequencies
C	They are preferred for microwave operation
D	They are watertight