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. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Neutral
B	Black insulation is never used
C	Hot
D	Equipment ground

2. - T0B09

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

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

3. - T0C13

Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

Select	Answer
A	The station licensee
B	Anyone who is near an antenna
C	The local zoning board
D	The FCC

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	FCC Regional Field Office
B	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
C	The FCC Office of Spectrum Management and Coordination Policy
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	100 watts
C	10 watts
D	200 watts

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

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	The ITU maintains a list of words that are not permitted to be used on amateur frequencies
B	Any such language is prohibited
C	There is no such prohibition
D	The FCC maintains a list of words that are not permitted to be used on amateur frequencies

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Using a computer or other device to identify automatically
B	Repeater operation
C	Controlling a station over the internet
D	Using a computer or other device to send CW automatically

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	Once during every hour
B	Never, the tactical call is sufficient
C	At the end of each communication and every ten minutes during a communication
D	At the end of every transmission

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

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A single repeater with more than one receiver
B	A system of repeaters linked by APRS
C	Multiple repeaters with the same control operator
D	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network

12. - T2C02

Which of the following are typical duties of a Net Control Station?

Select	Answer
A	Choose the regular net meeting time and frequency
B	Ensure that all stations checking into the net are properly licensed for operation on the net frequency
C	Call the net to order and direct communications between stations checking in
D	All these choices are correct

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	Either vertically or horizontally polarized antennas may be used for transmission or reception
B	Digital modes are unusable
C	Both the transmitting and receiving antennas must be of the same polarization
D	FM voice is unusable

14. - T3B04

What is the velocity of a radio wave traveling through free space?

Select	Answer
A	Speed of sound
B	Speed that increases as the frequency increases
C	Speed inversely proportional to its wavelength
D	Speed of light

15. - T3C05

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

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

16. - T4A11

Where should the negative power return of a mobile transceiver be connected in a vehicle?

Select	Answer
A	Through the transceiver’s mounting bracket
B	At the 12 volt battery chassis ground
C	At the antenna mount
D	To any metal part of the vehicle

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	The codec type being used
B	Your call sign
C	All these choices are correct
D	Your output power

18. - T5A10

Which term describes the rate at which electrical energy is used?

Select	Answer
A	Voltage
B	Power
C	Resistance
D	Current

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	10 dB
B	28 dB
C	18 dB
D	12 dB

20. - T5C02

What is the unit of capacitance?

Select	Answer
A	The volt
B	The farad
C	The henry
D	The ohm

21. - T5D12

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

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

22. - T6A05

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

Select	Answer
A	Resistor
B	Potentiometer
C	Capacitor
D	Oscillator

23. - T6B01

Which is true about forward voltage drop in a diode?

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

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Bill of materials
B	Connector pinout
C	Flow chart
D	Schematic

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Regulator
B	Phase inverter
C	Filter
D	Oscillator

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

Select	Answer
A	Oscillator
B	Reactance modulator
C	Phase modulator
D	Low-pass filter

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Block the interfering signal with a filter on the amateur transmitter
B	Switch the transmitter from FM to SSB
C	Block the amateur signal with a filter at the antenna input of the affected receiver
D	Switch the transmitter to a narrow-band mode

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	1:1
B	50:50
C	Full Scale
D	Zero

29. - T7D06

Which of the following can damage a multimeter?

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

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

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

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	All these choices are correct
B	The Keplerian elements
C	The last observed time of zero Doppler shift
D	The satellite transmitted power

32. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	A calibrated noise bridge
B	All these choices are correct
C	A directional antenna
D	Calibrated SWR meter

33. - T8D01

Which of the following is a digital communications mode?

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

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	112
B	50
C	236
D	6

35. - T9B02

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

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