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. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

Select	Answer
A	In parallel with the hot conductor only
B	In series with the hot and neutral conductors
C	In series with the hot conductor only
D	In parallel with the hot and neutral conductors

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	When no mechanical work is being performed
B	When the work being done is not more than 20 feet above the ground
C	When no electrical work is being performed
D	Never

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	By calculation based on FCC OET Bulletin 65
B	By calculation based on computer modeling
C	All these choices are correct
D	By measurement of field strength using calibrated equipment

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Providing communications for international non-profit organizations
B	Advancing skills in the technical and communication phases of the radio art
C	Providing personal radio communications for as many citizens as possible
D	All these choices are correct

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	28.50 MHz
B	222.15 MHz
C	52.525 MHz
D	49.00 MHz

6. - T1C03

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

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

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	When the communication is related to the sale of amateur equipment by the control operator's employer
B	When the communication is incidental to classroom instruction at an educational institution
C	When the communication is made to obtain emergency information for a local broadcast station
D	All these choices are correct

8. - T1E03

Who must designate the station control operator?

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

9. - T1F08

What is the definition of third party communications?

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

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A list of operating schedules
B	A list of available net frequencies
C	A voluntary guideline for using different modes or activities within an amateur band
D	A plan devised by a club to indicate frequency band usage

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QSB
B	QRN
C	QRM
D	QTH

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	Spell the words using a standard phonetic alphabet
B	Send the words by voice and Morse code
C	All these choices are correct
D	Speak very loudly into the microphone

13. - T3A07

What weather condition might decrease range at microwave frequencies?

Select	Answer
A	Low barometric pressure
B	Precipitation
C	High winds
D	Colder temperatures

14. - T3B10

What frequency range is referred to as HF?

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

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	D region refraction
B	Tropospheric ducting
C	F2 region refraction
D	Faraday rotation

16. - T4A03

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

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

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Turn on the anti-squelch function
B	Enable squelch enhancement
C	Set the squelch threshold so that receiver output audio is on all the time
D	Turn up the audio level until it overcomes the squelch threshold

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Volts
B	Amperes
C	Ohms
D	Watts

19. - T5B04

Which is equal to one microvolt?

Select	Answer
A	One million volts
B	One one-thousandth of a volt
C	One thousand kilovolts
D	One one-millionth of a volt

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

Select	Answer
A	12 amperes
B	10 amperes
C	0.1 amperes
D	132 amperes

21. - T5D04

What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

Select	Answer
A	93 ohms
B	30 ohms
C	3 ohms
D	270 ohms

22. - T6A07

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

Select	Answer
A	Capacitor
B	Diode
C	Inductor
D	Switch

23. - T6B01

Which is true about forward voltage drop in a diode?

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

24. - T6C08

What is component 9 in figure T-2?

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

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Rectifier
B	Amplifier
C	Reflector
D	Transformer

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Low-pass filtering
B	Oscillation
C	Modulation
D	Impedance matching

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	Your batteries are running low
B	You are in a bad location
C	All these choices are correct
D	Your transmitter is slightly off frequency

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	Rapid fluctuation in transmitter output power
D	Moisture contamination

29. - T7D06

Which of the following can damage a multimeter?

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

30. - T8A06

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

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

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 change in the satellite orbit
C	A special digital communications mode for some satellites
D	A mode where the satellite receives signals on one band and transmits on another

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A digipeater
B	A beacon
C	A repeater
D	A gateway

33. - T8D12

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

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

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	It has low efficiency
B	It transmits only circularly polarized signals
C	It is mechanically fragile
D	All these choices are correct

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Less antenna wear
B	Reduced television interference
C	Reduced signal loss
D	All these choices are correct

Figure T-2