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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	All these choices are correct
B	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
C	Touching both terminals with the hands can cause electrical shock
D	Shorting the terminals can cause burns, fire, or an explosion

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

Select	Answer
A	Sharp bends must be avoided
B	Common grounds must be avoided
C	Use only non-insulated wire
D	Wires must be carefully routed with precise right-angle bends

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It affects the peak exposure to radiation
B	It takes into account the thermal effects of the final amplifier
C	It takes into account the antenna feed line loss
D	It affects the average exposure to radiation

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	It is required when in contact with foreign stations
B	It is required when transmitting emergency messages
C	All these choices are correct
D	It is encouraged

5. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Fast-scan television only
B	Fixed digital message forwarding systems only
C	Emergency traffic only
D	Spread spectrum only

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Eight years
B	Ten years
C	Life
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	Earth, repeater, or space stations
C	Repeater, auxiliary, or space stations
D	Beacon, repeater, or space stations

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	Never
B	When the station licensee is away and another licensed amateur is using the station
C	When the transmitting station is an auxiliary station
D	When using automatic control, such as in the case of a repeater

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	Only when presented with a valid warrant by an FCC official or government agent
B	At any time after written notification by the FCC of such inspection
C	At any time ten days after notification by the FCC of such an inspection
D	At any time upon request by an FCC representative

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	“CQ CQ” followed by the repeater’s call sign
B	The repeater call sign followed by the station’s call sign
C	The station’s call sign followed by the word “monitoring”
D	“QSY” followed by your call sign

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

Select	Answer
A	Join the repeater owner’s club
B	Sign your call after the courtesy tone
C	Program your radio with the group’s ID or code
D	Register your radio with the local FCC office

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	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
D	Unless you are reporting an emergency, transmit only when directed by the net control station

13. - T3A06

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

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

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The orientation of the electric field
B	The ratio of the energy in the magnetic field to the energy in the electric field
C	The ratio of the velocity to the wavelength
D	The orientation of the magnetic field

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From dawn to shortly after sunset during periods of low sunspot activity
B	From dawn to shortly after sunset during periods of high sunspot activity
C	From shortly after sunset to dawn during periods of high sunspot activity
D	From shortly after sunset to dawn during periods of low sunspot activity

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	In the feed line, between the transmitter and antenna
B	At the power supply output
C	In parallel with the push-to-talk line and the antenna
D	In the power supply cable, as close as possible to the radio

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

18. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Capacitance
B	Resistance
C	Current
D	Voltage

19. - T5B10

Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

Select	Answer
A	-3 dB
B	-6 dB
C	-1 dB
D	-9 dB

20. - T5C04

What is the unit of inductance?

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

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	2 amperes
B	0.5 amperes
C	20,000 amperes
D	100 amperes

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Varactor
B	Fuse
C	Thyratron
D	All these choices are correct

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Reactor
B	Transistor
C	Transformer
D	Resistor

24. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Transmitter
B	Antenna
C	Ground
D	Dummy load

25. - T6D02

What is a relay?

Select	Answer
A	An inverting amplifier
B	A pass transistor
C	A current controlled amplifier
D	An electrically-controlled switch

26. - T7A09

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

Select	Answer
A	Set the amplifier for proper operation in the selected mode
B	Reduce the received signal noise
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. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Let the transceiver cool off
B	Talk louder into the microphone
C	Change to a higher power level
D	Talk farther away from the microphone

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To prevent transmitting signals over the air when making tests
B	To prevent over-modulation of a transmitter
C	To improve the efficiency of an antenna
D	To improve the signal-to-noise ratio of a receiver

29. - T7D03

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

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

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Spread spectrum
B	Phase shift keying (PSK)
C	Single sideband
D	Packet radio

31. - T8B09

What causes spin fading of satellite signals?

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

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Contesting
B	Simulated emergency exercises
C	Public service events
D	Net operations

33. - T8D05

Which of the following is an application of APRS?

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

34. - T9A02

Which of the following describes a type of antenna loading?

Select	Answer
A	Inserting a resistor in the radiating portion of the antenna to make it resonant
B	Strengthening the radiating elements of a beam antenna to better resist wind damage
C	Installing a spring in the base of a mobile vertical antenna to make it more flexible
D	Electrically lengthening by inserting inductors in radiating elements

35. - T9B02

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

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

Figure T-3