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

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
B	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
C	1/2 wavelength at the operating frequency
D	The height of the power line above ground

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Alpha radiation
B	Non-ionizing radiation
C	Ionizing radiation
D	Gamma radiation

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	International Telecommunication Union
D	FCC Regional Field Office

5. - T1B03

Which frequency is in the 6 meter amateur band?

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

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From any vessel or craft located in international waters and documented or registered in the United States
B	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
C	From within any country that is a member of the United Nations
D	From within any country that belongs to the International Telecommunication Union

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	The FCC maintains a list of words that are not permitted to be used on amateur frequencies
C	Any such language is prohibited
D	The ITU 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 mailing address of the station licensee
B	The location at which the control operator function is performed
C	The location of the station’s transmitting apparatus
D	The location of the station’s transmitting antenna

9. - T1F08

What is the definition of third party communications?

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

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	“CQ CQ” followed by the repeater’s call sign
B	The repeater call sign followed by the station’s call sign
C	The station’s call sign followed by the word “monitoring”
D	“QSY” followed by your call sign

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	Your repeater offset is inverted
B	Your transmit power is too high
C	You need to talk louder
D	You are talking too loudly

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	Requests to activate the net by a served agency
B	The number of stations checking in and out of a net
C	Messages exchanged by net stations
D	Operation by mobile or portable stations

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

Select	Answer
A	Horizontal
B	Vertical
C	Right-hand circular
D	Left-hand circular

14. - T3B11

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

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

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Knife-edge diffraction
B	Doppler shift
C	Quantum tunneling
D	Faraday rotation

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	All these choices are correct
B	The types of modulation being used at the station
C	The distance that the meter will be located from the antenna
D	The frequency and power level at which the measurements will be made

17. - T4B03

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

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

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Watt-hours
B	Watts
C	Volts
D	Amperes

19. - T5B01

How many milliamperes is 1.5 amperes?

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

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	0.7 watts
C	138 watts
D	3.8 watts

21. - T5D13

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

Select	Answer
A	Parallel
B	Resonant
C	Branch
D	Series

22. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

Select	Answer
A	Potentiometer
B	Oscillator
C	Capacitor
D	Resistor

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Anode and cathode
B	Source and drain
C	Gate and base
D	Plus and minus

24. - T6C08

What is component 9 in figure T-2?

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

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To prevent coupling of unwanted signals to or from the wire
B	To decrease the resistance of DC power connections
C	To increase the current carrying capability of the wire
D	To couple the wire to other signals

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Sensitivity
B	Linearity
C	Selectivity
D	Total Harmonic Distortion

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	The transmitter will not stay on the desired frequency
B	Excessive SWR at the antenna connection
C	Reports of garbled, distorted, or unintelligible voice transmissions
D	Frequent blowing of power supply fuses

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It distorts the signal
B	It increases the SWR
C	It is converted into heat
D	It is radiated as harmonics

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Impedance and reactance
B	Voltage and resistance
C	All these choices are correct
D	Signal strength and noise

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	About 150 kHz
B	Less than 500 Hz
C	Between 50 and 125 kHz
D	Between 10 and 15 kHz

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	Anyone
B	A licensed radio amateur who has been certified by the protocol developer
C	A licensed radio amateur who has registered for an access code from AMSAT
D	A licensed radio amateur with a transmitter equipped for interrogating the satellite

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By entering the proper internet password
B	By using DTMF signals
C	By using CTCSS tone codes
D	By obtaining a password that is sent via voice to the node

33. - T8D10

Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

Select	Answer
A	All these choices are correct
B	Weak signal propagation beacons
C	Earth-Moon-Earth
D	Meteor scatter

34. - T9A05

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

Select	Answer
A	Shortening it
B	Lengthening it
C	Adding capacitive loading to the ends of the radiating wires
D	Inserting coils in series with radiating wires

35. - T9B02

What is the most common impedance of coaxial cables used in amateur radio?

Select	Answer
A	600 ohms
B	12 ohms
C	50 ohms
D	8 ohms

Figure T-2