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. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Hot
B	Equipment ground
C	Neutral
D	Black insulation is never used

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	When no mechanical work is being performed
B	When the work being done is not more than 20 feet above the ground
C	Never
D	When no electrical work is being performed

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Gamma radiation
B	Non-ionizing radiation
C	Ionizing radiation
D	Alpha radiation

4. - T1A01

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

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

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

Select	Answer
A	219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
B	All these choices are correct
C	50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
D	902.0 MHz to 902.1 MHz

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

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	The FCC maintains a list of words that are not permitted to be used on amateur frequencies
B	There is no such prohibition
C	Any such language is prohibited
D	The ITU maintains a list of words that are not permitted to be used on amateur frequencies

8. - T1E01

When may an amateur station transmit without a control operator?

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

9. - T1F01

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

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

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	432.100 MHz
B	145.000 MHz
C	446.000 MHz
D	146.520 MHz

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A system of repeaters linked by APRS
B	A single repeater with more than one receiver
C	Multiple repeaters with the same control operator
D	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	Requests to activate the net by a served agency
B	Operation by mobile or portable stations
C	The number of stations checking in and out of a net
D	Messages exchanged by net stations

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	Range increase
B	Absorption
C	Deflection
D	There is little effect

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength and frequency increase as path length increases
B	Wavelength and frequency are unrelated
C	Wavelength gets shorter as frequency increases
D	Wavelength gets longer as frequency increases

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Updrafts from hurricanes and tornadoes
B	Discharges of lightning during electrical storms
C	Temperature inversions in the atmosphere
D	Sunspots and solar flares

16. - T4A10

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

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

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	Change in audio pitch
C	Distortion of the signal’s audio
D	Sideband inversion

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. - T5B07

Which is equal to 3.525 MHz?

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

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

Select	Answer
A	P = E / I
B	P = I  E
C	P = E – I
D	P = I + E

21. - T5D08

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

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

22. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Power resistor
B	Transformer
C	Fixed resistor
D	Potentiometer

23. - T6B06

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

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

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Transistor
B	Ground symbol
C	Resistor
D	Battery

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Regulator
B	Filter
C	Oscillator
D	Phase inverter

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	Between the transmitter and the antenna tuner
B	At the output of the receiver audio amplifier
C	Between the antenna and receiver
D	At the output of the transmitter power 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	Be sure all TV feed line coaxial connectors are installed properly
B	Add a low-pass filter to the TV antenna input
C	Add a preamplifier to the TV antenna input
D	Add a high-pass filter to the TV antenna input

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

Select	Answer
A	To lower the SWR on the transmission line
B	To protect the output amplifier transistors
C	To comply with FCC rules on spectral purity
D	Because power supplies cannot supply enough current at high SWR

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

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

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	About 150 kHz
B	Less than 500 Hz
C	Between 10 and 15 kHz
D	Between 50 and 125 kHz

31. - T8B09

What causes spin fading of satellite signals?

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

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A digipeater
B	A repeater
C	A beacon
D	A gateway

33. - T8D01

Which of the following is a digital communications mode?

Select	Answer
A	IEEE 802.11
B	All these choices are correct
C	Packet radio
D	FT8

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Inserting coils in series with radiating wires
B	Shortening it
C	Lengthening it
D	Adding capacitive loading to the ends of the radiating wires

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It is less expensive than any other type of feed line
B	It has less loss than any other type of feed line
C	It can handle more power than any other type of feed line
D	It is easy to use and requires few special installation considerations

Figure T-1