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. - T0A04

What is the purpose of a fuse in an electrical circuit?

Select	Answer
A	To limit current to prevent shocks
B	All these choices are correct
C	To prevent power supply ripple from damaging a component
D	To remove power in case of overload

2. - T0B09

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

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

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	Radiation poisoning
B	Electrocution
C	All these choices are correct
D	RF burn to skin

4. - T1A07

What is the FCC Part 97 definition of a space station?

Select	Answer
A	An amateur station using amateur radio satellites for relay of signals
B	Any satellite orbiting Earth
C	An amateur station located more than 50 km above Earth's surface
D	A manned satellite orbiting Earth

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	70 centimeters
B	6 meters
C	20 meters
D	2 meters

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	KF1XXX
B	KA1X
C	W1XX
D	All these choices are correct

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country banned from such communications by the International Amateur Radio Union (IARU)
B	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
C	Any country banned from making such communications by the American Radio Relay League (ARRL)
D	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications

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

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	The foreign station must be in a country with which the U.S. has a third party agreement
B	The licensed control operator must do the station identification
C	All these choices are correct
D	The person must be a U.S. citizen

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	Diplex
D	Multiplex

11. - T2B03

Which of the following describes a linked repeater network?

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

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	Operation by mobile or portable stations
B	Requests to activate the net by a served agency
C	Messages exchanged by net stations
D	The number of stations checking in and out of a net

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

Select	Answer
A	Right-hand circular
B	Left-hand circular
C	Vertical
D	Horizontal

14. - T3B08

What frequency range is referred to as VHF?

Select	Answer
A	30 kHz to 300 kHz
B	30 MHz to 300 MHz
C	300 MHz to 3000 MHz
D	300 kHz to 3000 kHz

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	6 and 10 meters
B	23 centimeters
C	All these choices are correct
D	70 centimeters and 1.25 meters

16. - T4A08

Which of the following conductors is preferred for bonding at RF?

Select	Answer
A	Copper braid removed from coaxial cable
B	Steel wire
C	Flat copper strap
D	Twisted-pair cable

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Turn up the audio level until it overcomes the squelch threshold
B	Turn on the anti-squelch function
C	Enable squelch enhancement
D	Set the squelch threshold so that receiver output audio is on all the time

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Copper
B	Mercury
C	Aluminum
D	Glass

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	1 microfarad
B	1000 microfarads
C	1,000,000,000 microfarads
D	0.001 microfarads

20. - T5C04

What is the unit of inductance?

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

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	8 ohms
B	48 ohms
C	3 ohms
D	16 ohms

22. - T6A01

What electrical component opposes the flow of current in a DC circuit?

Select	Answer
A	Inductor
B	Transformer
C	Inverter
D	Resistor

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Plus and minus
B	Gate and base
C	Anode and cathode
D	Source and drain

24. - T6C07

What is component 8 in figure T-2?

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

25. - T6D09

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

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

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Select	Answer
A	Reduce the received signal noise
B	Set the amplifier for proper operation in the selected mode
C	Change the mode of the transmitted signal
D	Change the frequency range of the amplifier to operate in the proper segment of the band

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The microphone gain of the transmitter is turned up too high
B	The receiver is unable to reject strong signals outside the AM or FM band
C	The audio amplifier of the transmitter is overloaded
D	The deviation of an FM transmitter is set too low

28. - T7C06

What does an SWR reading of 4:1 indicate?

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

29. - T7D01

Which instrument would you use to measure electric potential?

Select	Answer
A	A voltmeter
B	An ammeter
C	A wavemeter
D	An ohmmeter

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	SSB signals are less susceptible to interference
B	SSB signals are easier to tune in correctly
C	All these choices are correct
D	SSB signals have narrower bandwidth

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Overloading the satellite batteries
B	Blocking access by other users
C	Possibility of commanding the satellite to an improper mode
D	Possibility of rebooting the satellite control computer

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A digipeater
B	A beacon
C	A repeater
D	A gateway

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

Select	Answer
A	A special mode for satellite uplink
B	A Normal Transmission mode in Static Circuit
C	A frame compression scheme for TV signals
D	An analog fast-scan color TV signal

34. - T9A01

What is a beam antenna?

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

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are preferred for microwave operation
B	They are commonly used at HF and VHF frequencies
C	They are a bayonet-type connector
D	They are watertight

Figure T-2