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

2. - T0B09

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

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

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	All these choices are correct
B	Relocate the transmitter
C	Relocate antennas
D	Increase the duty cycle

4. - T1A01

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

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

5. - T1B06

On which HF bands does a Technician class operator have phone privileges?

Select	Answer
A	None
B	10 meter band only
C	30 meter band only
D	80 meter, 40 meter, 15 meter, and 10 meter bands

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	Yes, for up to one year
B	No, you must wait until the license has been renewed
C	Yes, for up to two years
D	Yes, as soon as you apply for renewal

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Beacon, repeater, or space stations
B	Repeater, auxiliary, or space stations
C	Earth, repeater, or space stations
D	Auxiliary, beacon, or Earth stations

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The class of operator license held by the control operator
B	The frequencies printed on the license grant
C	The highest class of operator license held by anyone on the premises
D	The frequency authorized by the frequency coordinator

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Repeater station
B	Earth station
C	Beacon station
D	Message forwarding station

10. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Full duplex
B	Simplex
C	Multiplex
D	Diplex

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	DTMF
B	D-STAR
C	GPRS
D	CTCSS

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	Unless you are reporting an emergency, transmit only when directed by the net control station
B	Record the time of each of your transmissions
C	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
D	All these choices are correct

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The mesosphere
B	The troposphere
C	The ionosphere
D	The stratosphere

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They travel at different speeds
B	They revolve in opposite directions
C	They are in parallel
D	They are at right angles

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio signals move somewhat faster than the speed of light
B	Radio waves are not blocked by dust particles
C	The atmosphere refracts radio waves slightly
D	Radio waves are blocked by dust particles

16. - T4A02

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

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

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Increases the amount of offset between receive and transmit frequencies
B	Permits monitoring several modes at once by selecting a separate filter for each mode
C	Increases the number of frequencies that can be stored in memory
D	Permits noise or interference reduction by selecting a bandwidth matching the mode

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Farad
B	Hertz
C	Henry
D	Tesla

19. - T5B05

Which is equal to 500 milliwatts?

Select	Answer
A	0.02 watts
B	5 watts
C	0.5 watts
D	50 watts

20. - T5C06

What does the abbreviation “RF” mean?

Select	Answer
A	The real frequency transmitted as opposed to the apparent frequency
B	The resonant frequency of a tuned circuit
C	Radio frequency signals of all types
D	Reflective force in antenna transmission lines

21. - T5D10

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

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

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	A single circuit is switched between one of two other circuits
B	Two circuits are opened or closed
C	Two circuits are each switched between one of two other circuits
D	A single circuit is opened or closed

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Triode
B	Transistor
C	Alternator
D	Pentagrid converter

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Variable inductor
B	Potentiometer
C	Double-pole switch
D	Transformer

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	A circuit designed to provide high-fidelity audio
B	A resistor circuit used for reducing standing wave ratio
C	An inductor and a capacitor in series or parallel
D	A linear voltage regulator

26. - T7A08

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

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

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Be sure all TV feed line coaxial connectors are installed properly
B	Add a high-pass filter to the TV antenna input
C	Add a low-pass filter to the TV antenna input
D	Add a preamplifier to the TV antenna input

28. - T7C07

What happens to power lost in a feed line?

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

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

Select	Answer
A	In series
B	In quadrature
C	In parallel
D	In phase

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

Select	Answer
A	FM signals are harder to tune
B	All these choices are correct
C	Voice quality is poorer
D	Only one signal can be received at a time

31. - T8B11

Who may receive telemetry from a space station?

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

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. - T8D09

What is CW?

Select	Answer
A	A type of electromagnetic propagation
B	A digital mode used primarily on 2 meter FM
C	Another name for a Morse code transmission
D	A technique for coil winding

34. - T9A01

What is a beam antenna?

Select	Answer
A	An antenna that reverses the phase of received signals
B	An antenna built from aluminum I-beams
C	An omnidirectional antenna invented by Clarence Beam
D	An antenna that concentrates signals in one direction

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Overload from a strong local station
B	Loose connection in the antenna or feed line
C	Local thunderstorm
D	Over-modulation

Figure T-2