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. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

Select	Answer
A	On a grounded panel near where feed lines enter the building
B	At the ac power service panel
C	At the output connector of a transceiver
D	At the antenna feed point

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Prevent loosening of the turnbuckle from vibration
B	Provide a ground path for lightning strikes
C	Provide an ability to measure for proper tensioning
D	Secure the guy line if the turnbuckle breaks

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Higher frequency RF fields are transient in nature
B	Lower frequency RF fields have more energy than higher frequency fields
C	Lower frequency RF fields do not penetrate the human body
D	The human body absorbs more RF energy at some frequencies than at others

4. - T1A07

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

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

5. - T1B02

Which amateurs may contact the International Space Station (ISS) on VHF bands?

Select	Answer
A	Any amateur holding a General class or higher license who has applied for and received approval from NASA
B	Any amateur holding a General class or higher license
C	Any amateur holding a Technician class or higher license who has applied for and received approval from NASA
D	Any amateur holding a Technician class or higher license

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
B	Only communications incidental to contest exchanges; all other communications are prohibited
C	Communications incidental to conducting business or remarks of a personal nature
D	Any communications that would be permitted by an international broadcast station

7. - T1D01

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

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

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	When designated as the control operator by an Amateur Extra Class licensee
C	When using a club station whose trustee holds an Amateur Extra Class license
D	At no time

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	Message forwarding station
C	Earth station
D	Beacon station

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	Make sure you are authorized to use that frequency
B	Listen first to be sure that no one else is using the frequency
C	Ask if the frequency is in use
D	All these choices are correct

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Reduce interference from impulse noise
B	Reduce a CW transmitter's key clicks
C	Eliminate parasitic oscillations in an RF amplifier
D	Mute the receiver audio when a signal is not present

12. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	Information needed to track the message
B	The telephone number of the addressee
C	The address of the intended recipient
D	The email address of the originating station

13. - T3A06

What is the meaning of the term “picket fencing”?

Select	Answer
A	Alternating transmissions during a net operation
B	A type of ground system used with vertical antennas
C	Local vs long-distance communications
D	Rapid flutter on mobile signals due to multipath propagation

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Discharges of lightning during electrical storms
B	Updrafts from hurricanes and tornadoes
C	Temperature inversions in the atmosphere
D	Sunspots and solar flares

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	High-speed digital communications for meteor scatter
B	Communication using digital voice or data systems via the internet
C	FT8 digital communications via AFSK
D	RTTY encoding and decoding without a computer

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

Select	Answer
A	By enabling the group’s CTCSS tone
B	By activating automatic identification
C	By entering the group’s identification code
D	By retrieving the frequencies from transceiver memory

18. - T5A10

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

Select	Answer
A	Voltage
B	Power
C	Current
D	Resistance

19. - T5B08

Which is equal to 1,000,000 picofarads?

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

20. - T5C06

What does the abbreviation “RF” mean?

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

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. - T6A11

Which of the following battery chemistries is not rechargeable?

Select	Answer
A	Lead-acid
B	Lithium-ion
C	Nickel-cadmium
D	Carbon-zinc

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Bipolar junction
B	Tesla-effect
C	Field-effect
D	Varistor

24. - T6C07

What is component 8 in figure T-2?

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

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Relay
B	Meter
C	Potentiometer
D	Transistor

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Transverter
B	High-pass filter
C	Low-pass filter
D	Phase converter

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Select	Answer
A	All these choices are correct
B	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
C	Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
D	Immediately turn off your transmitter and contact the nearest FCC office for assistance

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 is converted into heat
D	It distorts the signal

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Signal strength and noise
B	Voltage and resistance
C	Impedance and reactance
D	All these choices are correct

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	Less than 500 Hz
B	About 150 kHz
C	Between 10 and 15 kHz
D	Between 50 and 125 kHz

31. - T8B02

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

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

32. - T8C11

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

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

33. - T8D11

What is an ARQ transmission system?

Select	Answer
A	A system used to encrypt command signals to an amateur radio satellite
B	A method of compressing data using autonomous reiterative Q codes prior to final encoding
C	A special transmission format limited to video signals
D	An error correction method in which the receiving station detects errors and sends a request for retransmission

34. - T9A06

Which of the following types of antenna offers the greatest gain?

Select	Answer
A	Isotropic
B	5/8 wave vertical
C	J pole
D	Yagi

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	All these choices are correct
B	Reduced signal loss
C	Reduced television interference
D	Less antenna wear

Figure T-2