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	All these choices are correct
C	Install mechanical interlocks in high-voltage circuits
D	Use three-wire cords and plugs for all AC powered equipment

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	The antenna could contact high-voltage power lines
B	The 60 Hz radiations from the feed line may increase the SWR
C	The antenna will not work properly because of induced voltages
D	All these choices are correct

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation is perfectly safe
B	RF radiation is limited in range to a few feet
C	RF radiation can only be detected with an RF dosimeter
D	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	Frequency Spectrum Manager appointed by the FCC
B	Volunteer Frequency Coordinator recognized by local amateurs
C	FCC Regional Field Office
D	International Telecommunication Union

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

Select	Answer
A	50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
B	902.0 MHz to 902.1 MHz
C	219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
D	All these choices are correct

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Any communications that would be permitted by an international broadcast station
B	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
C	Only communications incidental to contest exchanges; all other communications are prohibited
D	Communications incidental to conducting business or remarks of a personal nature

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	There is no such prohibition
B	Any such language is prohibited
C	The ITU maintains a list of words that are not permitted to be used on amateur frequencies
D	The FCC maintains a list of words that are not permitted to be used on amateur frequencies

8. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The location of the station’s transmitting apparatus
B	The location at which the control operator function is performed
C	The mailing address of the station licensee
D	The location of the station’s transmitting antenna

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	A message from a control operator to another amateur station control operator on behalf of another person
B	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
C	Amateur radio communications where three stations are in communications with one another
D	Operation when the transmitting equipment is licensed to a person other than the control operator

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 500 kHz
C	Plus or minus 5 MHz
D	Plus or minus 600 kHz

11. - T2B03

Which of the following describes a linked repeater network?

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

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	Making decisions as to whether messages are worthy of relay or delivery
B	Passing messages exactly as received
C	Ensuring that any newsworthy messages are relayed to the news media
D	All these choices are correct

13. - T3A06

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

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

14. - T3B11

What is the approximate velocity of a radio wave in free space?

Select	Answer
A	150,000 meters per second
B	300,000,000 meters per second
C	150,000 miles per hour
D	300,000,000 miles per hour

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	D region absorption
B	Backscatter
C	Gray-line propagation
D	Sporadic E

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	24.0 volts at 4 amperes
B	13.8 volts at 12 amperes
C	24.0 volts at 12 amperes
D	13.8 volts at 4 amperes

17. - T4B05

What does the scanning function of an FM transceiver do?

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

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Tesla
B	Hertz
C	Farad
D	Henry

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	150 milliamperes
B	1500 milliamperes
C	15 milliamperes
D	15,000 milliamperes

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Inductance
B	Resistance
C	Capacitance
D	Admittance

21. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Branch
B	Resonant
C	Parallel
D	Series

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	Lead-acid
B	Lithium-ion
C	Nickel-metal hydride
D	All these choices are correct

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Transformer
B	Transistor
C	Resistor
D	Reactor

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Transistor
B	Indicator lamp
C	Resistor
D	Connector

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	Bipolar transistor
B	FET
C	LED
D	Zener diode

26. - T7A05

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

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

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	Using double-shielded coaxial cable
D	Installing bypass capacitors on the microphone cable

28. - T7C09

Which of the following causes failure of coaxial cables?

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

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Not allowing it to warm up properly
B	Attempting to measure resistance using the voltage setting
C	Failing to connect one of the probes to ground
D	Attempting to measure voltage when using the resistance setting

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Single sideband
B	Packet radio
C	Spread spectrum
D	Phase shift keying (PSK)

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite operates using ultraviolet frequencies
B	The satellite frequencies are usually variable
C	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
D	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	DMR
B	EchoLink
C	D-STAR
D	IRLP

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Showing automatically the number of packets transmitted via PACTOR during a specific time interval
B	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
C	Providing voice over internet connection between repeaters
D	Providing information on the number of stations signed into a repeater

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	112
B	50
C	19
D	12

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 preferred for microwave operation
D	They are commonly used at HF and VHF frequencies

Figure T-1