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	Shorting the terminals can cause burns, fire, or an explosion
C	Touching both terminals with the hands can cause electrical shock
D	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	Local electrical codes
B	FCC Part 97 rules
C	FAA tower lighting regulations
D	UL recommended practices

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

Select	Answer
A	Radiation pattern of the antenna
B	Frequency and power level of the RF field
C	All these choices are correct
D	Distance from the antenna to a person

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	A radio service using amateur stations for emergency management or civil defense communications
B	All these choices are correct
C	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
D	A radio service using amateur frequencies for emergency management or civil defense communications

5. - T1B06

On which HF bands does a Technician class operator have phone privileges?

Select	Answer
A	30 meter band only
B	None
C	80 meter, 40 meter, 15 meter, and 10 meter bands
D	10 meter band only

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. - 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 incidental to an authorized retransmission of manned spacecraft communications
C	When the music is transmitted above 1280 MHz
D	When the music produces no spurious emissions

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	When using a club station whose trustee holds an Amateur Extra Class license
B	As part of a multi-operator contest team
C	At no time
D	When designated as the control operator by an Amateur Extra Class licensee

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
B	A message from a control operator to another amateur station control operator on behalf of another person
C	Operation when the transmitting equipment is licensed to a person other than the control operator
D	Amateur radio communications where three stations are in communications with one another

10. - T2A08

What is the meaning of the procedural signal “CQ”?

Select	Answer
A	Calling any station
B	Only the called station should transmit
C	Test transmission, no reply expected
D	Call on the quarter hour

11. - T2B07

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

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

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	A box on the message form that indicates that the message was received and/or relayed
B	The number of words or word equivalents in the text portion of the message
C	The call sign of the originating station
D	A list of stations that have relayed the message

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

Select	Answer
A	All these choices are correct
B	VHF ionospheric propagation is very sensitive to path length
C	The signal path encounters different concentrations of water vapor
D	Multipath propagation cancels or reinforces signals

14. - T3B10

What frequency range is referred to as HF?

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

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	Faraday rotation
B	Tropospheric ducting
C	F2 region refraction
D	D region refraction

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the battery ampere-hour rating by the average current draw of the equipment
B	Multiply the watts per hour consumed by the equipment by the battery power rating
C	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
D	Multiply the square of the current rating of the battery by the input resistance of the equipment

17. - T4B12

What is the result of tuning an FM receiver above or below a signal’s frequency?

Select	Answer
A	Generation of a heterodyne tone
B	Sideband inversion
C	Distortion of the signal’s audio
D	Change in audio pitch

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Hertz
B	Tesla
C	Farad
D	Henry

19. - T5B04

Which is equal to one microvolt?

Select	Answer
A	One one-millionth of a volt
B	One one-thousandth of a volt
C	One thousand kilovolts
D	One million volts

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Resistance
B	Inductance
C	Capacitance
D	Admittance

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	8 ohms
B	16 ohms
C	3 ohms
D	48 ohms

22. - T6A09

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

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

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With the letter K
B	With a stripe
C	With the letter C
D	With the word "cathode"

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Resistor
B	Transistor
C	Connector
D	Indicator lamp

25. - T6D02

What is a relay?

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

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Phase splitter
B	Mixer
C	Inverter
D	Amplifier

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Add a low-pass filter to the TV antenna input
B	Be sure all TV feed line coaxial connectors are installed properly
C	Add a high-pass filter to the TV antenna input
D	Add a preamplifier to the TV antenna input

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It cannot be used for VHF or UHF antennas
B	It cannot be used at below freezing temperatures
C	It has more loss per foot
D	It requires special techniques to prevent moisture in the cable

29. - T7D07

Which of the following measurements are made using a multimeter?

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

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	SSB signals have narrower bandwidth
B	SSB signals are less susceptible to interference
C	SSB signals are easier to tune in correctly
D	All these choices are correct

31. - T8B04

What mode of transmission is commonly used by amateur radio satellites?

Select	Answer
A	FM
B	SSB
C	CW/data
D	All these choices are correct

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
B	A system for providing access to websites via amateur radio
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. - T8D04

What type of transmission is indicated by the term "NTSC?"

Select	Answer
A	A frame compression scheme for TV signals
B	An analog fast-scan color TV signal
C	A special mode for satellite uplink
D	A Normal Transmission mode in Static Circuit

34. - T9A03

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

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

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	Type N
B	RS-213
C	UHF (PL-259/SO-239)
D	DB-25

Figure T-1