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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may cause injury by heating tissue
B	All these choices are correct
C	It may cause involuntary muscle contractions
D	It may disrupt the electrical functions of cells

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

Select	Answer
A	Common grounds must be avoided
B	Use only non-insulated wire
C	Wires must be carefully routed with precise right-angle bends
D	Sharp bends must be avoided

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

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	FCC Regional Field Office
B	The FCC Office of Spectrum Management and Coordination Policy
C	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
D	The local chapter of the Office of National Council of Independent Frequency Coordinators

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	50 watts
B	10 watts
C	100 watts
D	200 watts

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 within any country that belongs to the International Telecommunication Union
C	From within any country that is a member of the United Nations
D	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Two-way transmissions by amateur stations
B	Transmissions intended for reception by the general public
C	Any transmission made by the licensed station
D	Transmission of messages directed only to amateur operators

8. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The location of the station’s transmitting antenna
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 apparatus

9. - T1F08

What is the definition of third party communications?

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

10. - T2A04

What is an appropriate way to call another station on a repeater if you know the other station's call sign?

Select	Answer
A	Say the station's call sign, then identify with your call sign
B	Wait for the station to call CQ, then answer
C	Say "break, break," then say the station's call sign
D	Say "CQ" three times, then the other station's call sign

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

Select	Answer
A	Join the repeater owner’s club
B	Sign your call after the courtesy tone
C	Register your radio with the local FCC office
D	Program your radio with the group’s ID or code

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	A list of stations that have relayed the message
B	A box on the message form that indicates that the message was received and/or relayed
C	The call sign of the originating station
D	The number of words or word equivalents in the text portion of the message

13. - T3A06

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

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

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The orientation of the magnetic field
B	The ratio of the velocity to the wavelength
C	The orientation of the electric field
D	The ratio of the energy in the magnetic field to the energy in the electric field

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

16. - T4A12

What is an electronic keyer?

Select	Answer
A	A device for switching antennas from transmit to receive
B	A device that assists in manual sending of Morse code
C	An interlock to prevent unauthorized use of a radio
D	A device for voice activated switching from receive to transmit

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

Select	Answer
A	By entering the group’s identification code
B	By retrieving the frequencies from transceiver memory
C	By enabling the group’s CTCSS tone
D	By activating automatic identification

18. - T5A02

Electrical power is measured in which of the following units?

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

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	15,000 milliamperes
B	1500 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. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Select	Answer
A	0.25 volts
B	1 volt
C	2.5 volts
D	1.5 volts

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Capacitor
B	Diode
C	Varistor
D	Inductor

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Fuse
B	Driven element
C	Resistor
D	Diode

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Resistor
B	Indicator lamp
C	Connector
D	Transistor

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Integrated circuit
B	Multi-pole relay
C	Transducer
D	Transformer

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Mixer
B	Inverter
C	Amplifier
D	Phase splitter

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Let the transceiver cool off
B	Talk louder into the microphone
C	Talk farther away from the microphone
D	Change to a higher power level

28. - T7C07

What happens to power lost in a feed line?

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

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the applied voltages are correct
B	Ensure that the circuit is grounded
C	Ensure that the circuit is operating at the correct frequency
D	Ensure that the circuit is not powered

30. - T8A04

Which type of modulation is commonly used for VHF and UHF voice repeaters?

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

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. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	Sign only the last two letters of your call if there are many other stations calling
B	All these choices are correct
C	Send only the minimum information needed for proper identification and the contest exchange
D	Contact the station twice to be sure that you are in his log

33. - T8D01

Which of the following is a digital communications mode?

Select	Answer
A	All these choices are correct
B	Packet radio
C	IEEE 802.11
D	FT8

34. - T9A05

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

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

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-58 cable has two shields
B	RG-213 cable has less loss at a given frequency
C	RG-58 cable can handle higher power levels
D	There is no significant difference between the two types

Figure T-1