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. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Neutral
B	Black insulation is never used
C	Hot
D	Equipment ground

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	FAA tower lighting regulations
B	UL recommended practices
C	Local electrical codes
D	FCC Part 97 rules

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	It increases by a factor of 3
B	It decreases by 50 percent
C	There is no adjustment allowed for lower duty cycle
D	It increases by a factor of 2

4. - T1A07

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

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

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	6 meters
B	2 meters
C	20 meters
D	70 centimeters

6. - T1C03

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

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

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	Transmission of messages directed only to amateur operators
D	Two-way transmissions by amateur stations

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	The FCC
B	Any licensed operator
C	The frequency coordinator
D	The station licensee

9. - T1F03

When are you required to transmit your assigned call sign?

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

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

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

11. - T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

Select	Answer
A	All these choices are correct
B	You are using the wrong CTCSS tone
C	You are using the wrong DCS code
D	Improper transceiver offset

12. - T2C08

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

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

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	Digital modes are unusable
B	Both the transmitting and receiving antennas must be of the same polarization
C	Either vertically or horizontally polarized antennas may be used for transmission or reception
D	FM voice is unusable

14. - T3B09

What frequency range is referred to as UHF?

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

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

16. - T4A01

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

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

17. - T4B12

What is the result of tuning an FM receiver above or below a signal’s frequency?

Select	Answer
A	Sideband inversion
B	Distortion of the signal’s audio
C	Change in audio pitch
D	Generation of a heterodyne tone

18. - T5A03

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

Select	Answer
A	Current
B	Capacitance
C	Resistance
D	Voltage

19. - T5B10

Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

Select	Answer
A	-3 dB
B	-1 dB
C	-6 dB
D	-9 dB

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

Select	Answer
A	23.8 watts
B	3.8 watts
C	0.7 watts
D	138 watts

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	8 volts
B	20 volts
C	12 volts
D	0.2 volts

22. - T6A07

What electrical component is typically constructed as a coil of wire?

Select	Answer
A	Diode
B	Capacitor
C	Inductor
D	Switch

23. - T6B01

Which is true about forward voltage drop in a diode?

Select	Answer
A	It has no impact on the voltage delivered to the load
B	It is proportional to peak inverse voltage
C	It indicates that the diode is defective
D	It is lower in some diode types than in others

24. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable transformer
B	Variable inductor
C	Variable capacitor
D	Variable resistor

25. - T6D06

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

Select	Answer
A	Diode
B	Transformer
C	Transistor
D	Variable capacitor

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	At the output of the receiver audio amplifier
B	At the output of the transmitter power amplifier
C	Between the antenna and receiver
D	Between the transmitter and the antenna tuner

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Block the interfering signal with a filter on the amateur transmitter
B	Switch the transmitter to a narrow-band mode
C	Switch the transmitter from FM to SSB
D	Block the amateur signal with a filter at the antenna input of the affected receiver

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

Select	Answer
A	To protect the output amplifier transistors
B	Because power supplies cannot supply enough current at high SWR
C	To comply with FCC rules on spectral purity
D	To lower the SWR on the transmission line

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Lead-tin solder
B	Tin-copper solder
C	Acid-core solder
D	Rosin-core solder

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Lower sideband
B	Upper sideband
C	Inverted sideband
D	Suppressed sideband

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Possibility of commanding the satellite to an improper mode
B	Overloading the satellite batteries
C	Possibility of rebooting the satellite control computer
D	Blocking access by other users

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

Select	Answer
A	A method of delivering voice communications over the internet using digital techniques
B	A set of rules specifying how to identify your station when linked over the internet to another station
C	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
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	Inserting coils in series with radiating wires
B	Lengthening it
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 preferred for microwave operation
D	They are commonly used at HF and VHF frequencies

Figure T-2