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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may cause injury by heating tissue
B	It may disrupt the electrical functions of cells
C	It may cause involuntary muscle contractions
D	All these choices are correct

2. - T0B08

Which is a proper grounding method for a tower?

Select	Answer
A	Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
B	A ferrite-core RF choke connected between the tower and ground
C	A connection between the tower base and a cold water pipe
D	A single four-foot ground rod, driven into the ground no more than 12 inches from the base

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The percentage of time that a transmitter is transmitting
B	The difference between the PEP and average power output of a transmitter
C	The percentage of time that a transmitter is not transmitting
D	The difference between the lowest power output and the highest power output of a transmitter

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	An amateur station located more than 50 km above Earth's surface
C	Any satellite orbiting Earth
D	A manned satellite orbiting Earth

5. - T1B04

Which amateur band includes 146.52 MHz?

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

6. - T1C09

What is the grace period for renewal if an amateur license expires?

Select	Answer
A	Three years
B	Ten years
C	Two years
D	Five years

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Auxiliary, beacon, or Earth stations
B	Repeater, auxiliary, or space stations
C	Beacon, repeater, or space stations
D	Earth, repeater, or space stations

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The frequencies printed on the license grant
B	The highest class of operator license held by anyone on the premises
C	The class of operator license held by the control operator
D	The frequency authorized by the frequency coordinator

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

Select	Answer
A	Any language recognized by the ITU
B	English
C	Any language recognized by the United Nations
D	English, French, or Spanish

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	Identify the transmitting station
B	Notify the FCC of the transmissions
C	All these choices are correct
D	Conduct tests only between 10 p.m. and 6 a.m. local time

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QTH
B	QSB
C	QRN
D	QRM

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	Record the time of each of your transmissions
B	All these choices are correct
C	Unless you are reporting an emergency, transmit only when directed by the net control station
D	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Increase the antenna SWR
B	Try to find a path that reflects signals to the repeater
C	Try the long path
D	Change from vertical to horizontal polarization

14. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

Select	Answer
A	Wavelength in meters equals frequency in megahertz divided by 300
B	Wavelength in meters equals 300 divided by frequency in megahertz
C	Wavelength in meters equals frequency in hertz divided by 300
D	Wavelength in meters equals frequency in hertz multiplied by 300

15. - T3C05

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

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

16. - T4A10

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

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

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	Distorted transmitted audio
B	All these choices are correct
C	Increased SWR
D	Frequency instability

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	Direct current
B	RF current
C	All these choices are correct
D	Alternating current

19. - T5B07

Which is equal to 3.525 MHz?

Select	Answer
A	0.003525 kHz
B	35.25 kHz
C	3,525,000 kHz
D	3525 kHz

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The ohm
B	The ampere
C	The volt
D	The coulomb

21. - T5D07

What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

Select	Answer
A	9600 amperes
B	200 amperes
C	1.5 amperes
D	0.667 amperes

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Single-pole single-throw
B	Double-pole double-throw
C	Double-pole single-throw
D	Single-pole double-throw

23. - T6B11

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

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

24. - T6C01

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

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

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Reflector
B	Rectifier
C	Amplifier
D	Transformer

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	An impedance network
B	A voltage divider
C	An RF power amplifier
D	All these choices are correct

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	Immediately turn off your transmitter and contact the nearest FCC office for assistance
B	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
C	All these choices are correct
D	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

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet light can increase losses in the cable’s jacket
B	Ultraviolet light can damage the jacket and allow water to enter the cable
C	Ultraviolet resistant jackets prevent harmonic radiation
D	Ultraviolet and RF signals can mix, causing interference

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

Select	Answer
A	In phase
B	In quadrature
C	In series
D	In parallel

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	15 kHz
B	2.4 kHz
C	150 Hz
D	1000 Hz

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Doppler shift of the received signal
B	Rotation of the satellite and its antennas
C	Circular polarized noise interference radiated from the sun
D	Interfering signals within the satellite uplink band

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A system for providing access to websites via amateur radio
B	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
C	A system for informing amateurs in real time of the frequency of active DX stations
D	A technique for measuring signal strength of an amateur transmitter via the internet

33. - T8D11

What is an ARQ transmission system?

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

34. - T9A03

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

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

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-58 cable can handle higher power levels
B	RG-58 cable has two shields
C	There is no significant difference between the two types
D	RG-213 cable has less loss at a given frequency

Figure T-2