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

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Provide an ability to measure for proper tensioning
B	Prevent loosening of the turnbuckle from vibration
C	Secure the guy line if the turnbuckle breaks
D	Provide a ground path for lightning strikes

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

Select	Answer
A	50 MHz
B	1296 MHz
C	440 MHz
D	3.5 MHz

4. - T1A11

When is willful interference to other amateur radio stations permitted?

Select	Answer
A	At any time, stations in the Amateur Radio Service are not protected from willful interference
B	To stop another amateur station that is breaking the FCC rules
C	When making short test transmissions
D	At no time

5. - T1B08

How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

Select	Answer
A	U.S. amateurs must give foreign amateur stations priority in those segments
B	U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
C	International communications are not permitted in those segments
D	Digital transmissions are not permitted in those segments

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur with a General or Amateur Extra Class license
B	Any licensed amateur
C	Only a licensed amateur who has been licensed continuously for more than 10 years
D	Only a licensed amateur with an Amateur Extra Class license

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Only when transmitting control commands to space stations or radio control craft
B	Only when transmitting certain approved digital codes
C	Never
D	Only during contests

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The station licensee
B	The person operating the station equipment
C	The station custodian
D	The third party participant

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

Select	Answer
A	KL7CC stroke W3
B	KL7CC slash W3
C	KL7CC slant W3
D	All these choices are correct

10. - T2A04

What is an appropriate way to call another station on a repeater if you know the other station's call sign?

Select	Answer
A	Say "break, break," then say the station's call sign
B	Wait for the station to call CQ, then answer
C	Say "CQ" three times, then the other station's call sign
D	Say the station's call sign, then identify with your call sign

11. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

Select	Answer
A	Use subaudible tones so both stations can share the frequency
B	Both stations should choose another frequency to avoid conflict
C	The stations should negotiate continued use of the frequency
D	Interference is inevitable, so no action is required

12. - T2C04

What is RACES?

Select	Answer
A	An international radio experimentation society
B	An emergency organization combining amateur radio and citizens band operators and frequencies
C	A radio contest held in a short period, sometimes called a “sprint”
D	An FCC part 97 amateur radio service for civil defense communications during national emergencies

13. - T3A12

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

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

14. - T3B05

What is the relationship between wavelength and frequency?

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

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio signals move somewhat faster than the speed of light
B	Radio waves are blocked by dust particles
C	Radio waves are not blocked by dust particles
D	The atmosphere refracts radio waves slightly

16. - T4A10

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

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

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

Select	Answer
A	The Automatic Frequency Control
B	All these choices are correct
C	The CTCSS or DTMF encoder
D	The keypad or VFO knob

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Ohms
B	Volts
C	Watts
D	Amperes

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	1 microfarad
B	0.001 microfarads
C	1,000,000,000 microfarads
D	1000 microfarads

20. - T5C02

What is the unit of capacitance?

Select	Answer
A	The ohm
B	The farad
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	10 amperes
C	24,000 amperes
D	0.1 amperes

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Single-pole double-throw
B	Double-pole single-throw
C	Single-pole single-throw
D	Double-pole double-throw

23. - T6B06

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

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

24. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Ground
B	Dummy load
C	Transmitter
D	Antenna

25. - T6D05

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

Select	Answer
A	Oscillator
B	Filter
C	Phase inverter
D	Regulator

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for automatically sending and decoding Morse code
B	A device that combines a receiver and transmitter
C	A device for converting receiver and transmitter frequencies to another band
D	A device for matching feed line impedance to 50 ohms

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

28. - T7C01

What is the primary purpose of a dummy load?

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

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Failing to connect one of the probes to ground
B	Not allowing it to warm up properly
C	Attempting to measure voltage when using the resistance setting
D	Attempting to measure resistance using the voltage setting

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	2.4 kHz
B	15 kHz
C	150 Hz
D	1000 Hz

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. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By obtaining a password that is sent via voice to the node
B	By entering the proper internet password
C	By using CTCSS tone codes
D	By using DTMF signals

33. - T8D04

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

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

34. - T9A06

Which of the following types of antenna offers the greatest gain?

Select	Answer
A	5/8 wave vertical
B	Isotropic
C	J pole
D	Yagi

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-58 cable has two shields
B	There is no significant difference between the two types
C	RG-213 cable has less loss at a given frequency
D	RG-58 cable can handle higher power levels

Figure T-2

Figure T-3