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

2. - T0B01

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

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

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Relocate antennas
B	Relocate the transmitter
C	All these choices are correct
D	Increase the duty cycle

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	International Telecommunication Union
B	FCC Regional Field Office
C	Frequency Spectrum Manager appointed by the FCC
D	Volunteer Frequency Coordinator recognized by local amateurs

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

6. - T1C04

What may happen if the FCC is unable to reach you by email?

Select	Answer
A	Fine and suspension of operator license
B	Revocation of the station license or suspension of the operator license
C	Revocation of access to the license record in the FCC system
D	Nothing; there is no such requirement

7. - T1D04

Under what conditions is an amateur station authorized to transmit music using a phone emission?

Select	Answer
A	When transmissions are limited to less than three minutes per hour
B	When the music produces no spurious emissions
C	When the music is transmitted above 1280 MHz
D	When incidental to an authorized retransmission of manned spacecraft 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	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. - T1F04

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

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

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

Select	Answer
A	Plus or minus 500 kHz
B	Plus or minus 5 MHz
C	Plus or minus 1 MHz
D	Plus or minus 600 kHz

11. - T2B11

Which Q signal indicates that you are changing frequency?

Select	Answer
A	QSY
B	QSL
C	QRZ
D	QRU

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	Passing messages exactly as received
B	Ensuring that any newsworthy messages are relayed to the news media
C	All these choices are correct
D	Making decisions as to whether messages are worthy of relay or delivery

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	Either vertically or horizontally polarized antennas may be used for transmission or reception
B	Both the transmitting and receiving antennas must be of the same polarization
C	FM voice is unusable
D	Digital modes are unusable

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	30 to 300 MHz
B	300 to 3000 MHz
C	300 to 3000 kHz
D	3 to 30 MHz

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 low sunspot activity
D	From shortly after sunset to dawn during periods of high sunspot activity

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	All these choices are correct
B	The types of modulation being used at the station
C	The distance that the meter will be located from the antenna
D	The frequency and power level at which the measurements will be made

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	Your call sign in CW for automatic identification
B	The codec for digitizing audio
C	Access information for repeaters and talkgroups
D	The DMR software version

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Glass
B	Mercury
C	Aluminum
D	Copper

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	12 dB
B	18 dB
C	28 dB
D	10 dB

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	MH
B	mh
C	Mhz
D	MHz

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Parallel
B	Branch
C	Resonant
D	Series

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	All these choices are correct
B	Lead-acid
C	Nickel-metal hydride
D	Lithium-ion

23. - T6B05

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

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

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	Physical appearance of components
B	Component connections
C	Wire lengths
D	All these choices are correct

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Variable capacitor
B	Transistor
C	Transformer
D	Diode

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Impedance matching
B	Modulation
C	Low-pass filtering
D	Oscillation

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Low-pass filter
B	Preamplifier
C	Band-pass filter
D	Ferrite choke

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A low-voltage power supply and a DC relay
B	A high-gain amplifier and a TR switch
C	A non-inductive resistor mounted on a heat sink
D	A 50-ohm reactance used to terminate a transmission line

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Rosin-core solder
B	Tin-copper solder
C	Acid-core solder
D	Lead-tin solder

30. - T8A01

Which of the following is a form of amplitude modulation?

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

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The satellite transmitted power
B	The last observed time of zero Doppler shift
C	All these choices are correct
D	The Keplerian elements

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

Select	Answer
A	Radio direction finding
B	Doppler radar
C	Echolocation
D	Phase locking

33. - T8D02

What is a “talkgroup” on a DMR repeater?

Select	Answer
A	A way for groups of users to share a channel at different times without hearing other users on the channel
B	A group of operators sharing common interests
C	A net that meets at a specified time
D	A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together

34. - T9A03

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

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

35. - T9B07

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

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