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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	All these choices are correct
B	The power supply ripple would greatly increase
C	Excessive current could cause a fire
D	The larger fuse would be likely to blow because it is rated for higher current

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	Put a drip loop in the ground connection to prevent water damage to the ground system
B	All these choices are correct
C	Make sure all ground wire bends are right angles
D	Ensure that connections are short and direct

3. - T0C05

Why do exposure limits vary with frequency?

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

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Advancing skills in the technical and communication phases of the radio art
B	Providing personal radio communications for as many citizens as possible
C	Providing communications for international non-profit organizations
D	All these choices are correct

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

6. - T1C10

How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

Select	Answer
A	Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
B	As soon as you receive your license in the mail from the FCC
C	As soon as your operator/station license grant appears on the ARRL website
D	As soon as your operator/station license grant appears in the FCC’s license database

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Any transmission made by the licensed station
B	Two-way transmissions by amateur stations
C	Transmissions intended for reception by the general public
D	Transmission of messages directed only to amateur operators

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	The control operator and the station licensee
B	Only the control operator
C	All licensed amateurs who are present at the operation
D	Only the station licensee

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At the beginning of each contact, and every 10 minutes thereafter
B	At least every 10 minutes during and at the end of a communication
C	At least every 15 minutes during and at the end of a communication
D	At least once during each transmission

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A plan devised by a club to indicate frequency band usage
B	A list of operating schedules
C	A list of available net frequencies
D	A voluntary guideline for using different modes or activities within an amateur band

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	So stations with simple transmitters can access the repeater without automated offset
B	For contest operation
C	So stations within range of each other can communicate without tying up a repeater
D	For working DX only

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 address of the intended recipient
C	The telephone number of the addressee
D	The email address of the originating station

13. - T3A02

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

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

14. - T3B04

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

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

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	UHF signals are absorbed by the ionospheric D region
B	UHF signals are usually not propagated by the ionosphere
C	They are too weak to go very far
D	FCC regulations prohibit them from going more than 50 miles

16. - T4A08

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

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

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The tone squelch
B	The AGC or limiter
C	The bandwidth selection
D	The RIT or Clarifier

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Volts
B	Amperes
C	Ohms
D	Watts

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	15 milliamperes
B	15,000 milliamperes
C	150 milliamperes
D	1500 milliamperes

20. - T5C02

What is the unit of capacitance?

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

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	216 amperes
B	0.1 amperes
C	24,000 amperes
D	10 amperes

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Capacitor
B	Inductor
C	Varistor
D	Diode

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Capacitively-coupled RF signal
B	Inductively-coupled RF signal
C	Forward current
D	Reverse current

24. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Dummy load
B	Ground
C	Transmitter
D	Antenna

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Zener diode
B	Capacitor
C	Resistor
D	Potentiometer

26. - T7A10

What device increases the transmitted output power from a transceiver?

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

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	All these choices are correct
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	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Moisture contamination
B	Operation at 100% duty cycle for an extended period
C	Solder flux contamination
D	Rapid fluctuation in transmitter output power

29. - T7D07

Which of the following measurements are made using a multimeter?

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

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	SSB
B	PM
C	DRM
D	FM

31. - T8B09

What causes spin fading of satellite signals?

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

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	D-STAR
B	IRLP
C	EchoLink
D	DMR

33. - T8D06

What does the abbreviation "PSK" mean?

Select	Answer
A	Phased Slide Keying
B	Phase Shift Keying
C	Packet Short Keying
D	Pulse Shift Keying

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 travelling-wave antenna
C	A ground-wave antenna
D	A vertically polarized antenna

35. - T9B07

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

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

Figure T-3