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. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

Select	Answer
A	In parallel with the hot and neutral conductors
B	In parallel with the hot conductor only
C	In series with the hot and neutral conductors
D	In series with the hot conductor only

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	1/2 wavelength at the operating frequency
C	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
D	The height of the power line above ground

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By making sure your antennas have low SWR
B	By informing the FCC of any changes made in your station
C	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
D	All these choices are correct

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	The license appears in the FCC ULS database
B	All these choices are correct
C	An email notification from the NCVEC granting the license
D	A printed copy of the certificate of successful completion of examination

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	100 watts
B	50 watts
C	1500 watts
D	500 watts

6. - T1C04

What may happen if the FCC is unable to reach you by email?

Select	Answer
A	Nothing; there is no such requirement
B	Revocation of access to the license record in the FCC system
C	Revocation of the station license or suspension of the operator license
D	Fine and suspension of operator license

7. - T1D02

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

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

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	All these choices are correct
B	Controlling a model aircraft, boat, or car by amateur radio
C	Repeater operation
D	Operating the station over the internet

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

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

Select	Answer
A	Plus or minus 500 kHz
B	Plus or minus 600 kHz
C	Plus or minus 5 MHz
D	Plus or minus 1 MHz

11. - T2B06

What type of signaling uses pairs of audio tones?

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

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	Passing messages exactly as received
B	All these choices are correct
C	Ensuring that any newsworthy messages are relayed to the news media
D	Making decisions as to whether messages are worthy of relay or delivery

13. - T3A02

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

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

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Impedance and reactance
B	Electric and magnetic fields
C	Ionizing and non-ionizing radiation
D	Voltage and current

15. - T3C11

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

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

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To avoid RF interference
B	To provide a good counterpoise for the antenna
C	All these choices are correct
D	To minimize voltage drop when transmitting

17. - T4B05

What does the scanning function of an FM transceiver do?

Select	Answer
A	Tunes through a range of frequencies to check for activity
B	Checks for messages left on a digital bulletin board
C	Checks incoming signal deviation
D	Prevents interference to nearby repeaters

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	They have relatively high density
B	All these choices are correct
C	They have many free protons
D	They have many free electrons

19. - T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

Select	Answer
A	2 dB
B	10 dB
C	5 dB
D	3 dB

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

Select	Answer
A	P = E – I
B	P = E / I
C	P = I  E
D	P = I + E

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. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Diode
B	Varistor
C	Inductor
D	Capacitor

23. - T6B02

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

Select	Answer
A	Resistor
B	Driven element
C	Diode
D	Fuse

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Light emitting diode
B	Resistor
C	Regulator IC
D	Inductor

25. - T6D11

Which of the following is a resonant or tuned circuit?

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

26. - T7A05

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

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

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

28. - T7C06

What does an SWR reading of 4:1 indicate?

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

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Increasing resistance with time
B	Alternating between open and short circuit
C	Decreasing resistance with time
D	Steady full-scale reading

30. - T8A04

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

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

31. - T8B10

What is a LEO satellite?

Select	Answer
A	A sun synchronous satellite
B	A satellite in low earth orbit
C	A highly elliptical orbit satellite
D	A satellite in low energy operation mode

32. - T8C02

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

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

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
B	Providing information on the number of stations signed into a repeater
C	Showing automatically the number of packets transmitted via PACTOR during a specific time interval
D	Providing voice over internet connection between repeaters

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

Select	Answer
A	A vertically polarized antenna
B	A ground-wave antenna
C	A horizontally polarized antenna
D	A travelling-wave antenna

35. - T9B02

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

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

Figure T-2