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

2. - T0B10

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

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

3. - T0C13

Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

Select	Answer
A	Anyone who is near an antenna
B	The FCC
C	The station licensee
D	The local zoning board

4. - T1A01

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

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

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

7. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	When selling amateur radio equipment and not on a regular basis
B	Never
C	When no profit is made on the sale
D	When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	Only an Amateur Extra Class operator
B	Any amateur allowed to transmit on the satellite uplink frequency
C	A General class or higher licensee with a satellite operator certification
D	Only an Amateur Extra Class operator who is also an AMSAT member

9. - T1F06

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

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

10. - T2A02

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

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

11. - T2B08

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

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

12. - T2C02

Which of the following are typical duties of a Net Control Station?

Select	Answer
A	All these choices are correct
B	Call the net to order and direct communications between stations checking in
C	Choose the regular net meeting time and frequency
D	Ensure that all stations checking into the net are properly licensed for operation on the net frequency

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Amplification
B	Polarization rotation
C	Knife-edge diffraction
D	Absorption

14. - T3B08

What frequency range is referred to as VHF?

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

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Quantum tunneling
B	Faraday rotation
C	Doppler shift
D	Knife-edge diffraction

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	Antenna and RF power
B	NMEA GPS location and DC power
C	Receive audio, transmit audio, and transmitter keying
D	Receive and transmit mode, status, and location

17. - T4B07

What does a DMR “code plug” contain?

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

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Amperes
B	Ohms
C	Watts
D	Volts

19. - T5B07

Which is equal to 3.525 MHz?

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

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The coulomb
B	The volt
C	The ampere
D	The ohm

21. - T5D02

What formula is used to calculate voltage in a circuit?

Select	Answer
A	E = I x R
B	E = I / R
C	E = I + R
D	E = I - R

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Inductance
B	Resistance
C	Field strength
D	Capacitance

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Forward current
B	Inductively-coupled RF signal
C	Reverse current
D	Capacitively-coupled RF signal

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Schematic
B	Bill of materials
C	Connector pinout
D	Flow chart

25. - T6D02

What is a relay?

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

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Linearity
B	Total Harmonic Distortion
C	Sensitivity
D	Selectivity

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	Reports of garbled, distorted, or unintelligible voice transmissions
B	The transmitter will not stay on the desired frequency
C	Frequent blowing of power supply fuses
D	Excessive SWR at the antenna connection

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Good impedance match
B	Loss of -4 dB
C	Gain of +4 dB
D	Impedance mismatch

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	Dark black spots
B	A rough or lumpy surface
C	Excessive solder
D	A bright or shiny surface

30. - T8A05

Which of the following types of signal has the narrowest bandwidth?

Select	Answer
A	Slow-scan TV
B	FM voice
C	SSB voice
D	CW

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	All these choices are correct
B	Your signal strength on the downlink should be about the same as the beacon
C	Check your signal strength report in the telemetry data
D	Listen for distortion on your downlink signal

32. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	A calibrated noise bridge
B	Calibrated SWR meter
C	All these choices are correct
D	A directional antenna

33. - T8D04

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

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

34. - T9A01

What is a beam antenna?

Select	Answer
A	An antenna that reverses the phase of received signals
B	An antenna built from aluminum I-beams
C	An antenna that concentrates signals in one direction
D	An omnidirectional antenna invented by Clarence Beam

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The loss increases
B	The loss decreases
C	The characteristic impedance decreases
D	The characteristic impedance increases