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	All these choices are correct
B	Install mechanical interlocks in high-voltage circuits
C	Use three-wire cords and plugs for all AC powered equipment
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	The height of the power line above ground
C	1/2 wavelength at the operating frequency
D	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5

3. - T0C08

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

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

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A bulletin sent by the FCC to announce a national emergency
B	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
C	A government transmitter marking the amateur radio band edges
D	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service

5. - T1B06

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

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

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Ten years
B	Eight years
C	Five years
D	Life

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	Telecommand or transmissions of telemetry
B	In all circumstances
C	International Morse Code Practice
D	Broadcasting

8. - T1E06

When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

Select	Answer
A	As part of a multi-operator contest team
B	At no time
C	When designated as the control operator by an Amateur Extra Class licensee
D	When using a club station whose trustee holds an Amateur Extra Class license

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	A message from a control operator to another amateur station control operator on behalf of another person
C	Amateur radio communications where three stations are in communications with one another
D	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments

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

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

Select	Answer
A	Defines the minimum signal level required for access
B	Defines the frequency pair to use
C	Must match the repeater color code for access
D	Identifies the codec used

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	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
C	All these choices are correct
D	Record the time of each of your transmissions

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Absorption
B	Amplification
C	Polarization rotation
D	Knife-edge diffraction

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 are at right angles
C	They are in parallel
D	They revolve in opposite directions

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	Backscatter
C	Gray-line propagation
D	D region absorption

16. - T4A07

Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

Select	Answer
A	Computer “line in” to transceiver speaker connector
B	Computer “line out” to transceiver speaker connector
C	Computer “line out” to transceiver push-to-talk
D	Computer “line in” to transceiver push-to-talk

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	Access information for repeaters and talkgroups
B	Your call sign in CW for automatic identification
C	The codec for digitizing audio
D	The DMR software version

18. - T5A03

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

Select	Answer
A	Resistance
B	Voltage
C	Capacitance
D	Current

19. - T5B05

Which is equal to 500 milliwatts?

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

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Resistance
B	Capacitance
C	Admittance
D	Inductance

21. - T5D12

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

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

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	All these choices are correct
B	Thyratron
C	Varactor
D	Fuse

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	Forward voltage drop
B	Forward resistance
C	Gain
D	On resistance

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Battery
B	Ground symbol
C	Resistor
D	Transistor

25. - T6D11

Which of the following is a resonant or tuned circuit?

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

26. - T7A08

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

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

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
B	Make sure your station meets the standards of good amateur practice
C	All these choices are correct
D	Work with your neighbor to identify the offending device

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Loss of -4 dB
B	Gain of +4 dB
C	Impedance mismatch
D	Good impedance match

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	Dark black spots
B	A rough or lumpy surface
C	Excessive solder
D	A bright or shiny surface

30. - T8A12

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

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

31. - T8B03

Which of the following are provided by satellite tracking programs?

Select	Answer
A	All these choices are correct
B	The apparent frequency of the satellite transmission, including effects of Doppler shift
C	The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
D	Maps showing the real-time position of the satellite track over Earth

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	D-STAR
B	DMR
C	IRLP
D	EchoLink

33. - T8D08

Which of the following is included in packet radio transmissions?

Select	Answer
A	Automatic repeat request in case of error
B	All these choices are correct
C	A header that contains the call sign of the station to which the information is being sent
D	A check sum that permits error detection

34. - T9A10

In which direction does a half-wave dipole antenna radiate the strongest signal?

Select	Answer
A	Equally in all directions
B	Off the ends of the antenna
C	In the direction of the feed line
D	Broadside to the antenna

35. - T9B09

What can cause erratic changes in SWR?

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

Figure T-1