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. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	Connect all AC powered station equipment to a common safety ground
B	Install mechanical interlocks in high-voltage circuits
C	Use three-wire cords and plugs for all AC powered equipment
D	All these choices are correct

2. - T0B08

Which is a proper grounding method for a tower?

Select	Answer
A	A connection between the tower base and a cold water pipe
B	Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
C	A ferrite-core RF choke connected between the tower and ground
D	A single four-foot ground rod, driven into the ground no more than 12 inches from the base

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	It increases by a factor of 2
B	There is no adjustment allowed for lower duty cycle
C	It increases by a factor of 3
D	It decreases by 50 percent

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	Providing communications for international non-profit organizations
C	Advancing skills in the technical and communication phases of the radio art
D	All these choices are correct

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

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	KF1XXX
B	All these choices are correct
C	KA1X
D	W1XX

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	Telecommand or transmissions of telemetry
B	International Morse Code Practice
C	Broadcasting
D	In all circumstances

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

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The owner of the repeater
B	The control operator of the repeater
C	Both the originating station and the repeater owner
D	The control operator of the originating station

10. - T2A08

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

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

11. - T2B11

Which Q signal indicates that you are changing frequency?

Select	Answer
A	QSL
B	QSY
C	QRZ
D	QRU

12. - T2C11

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

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

13. - T3A07

What weather condition might decrease range at microwave frequencies?

Select	Answer
A	High winds
B	Low barometric pressure
C	Colder temperatures
D	Precipitation

14. - T3B09

What frequency range is referred to as UHF?

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

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	D region refraction
C	F2 region refraction
D	Tropospheric ducting

16. - T4A07

Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

Select	Answer
A	Computer “line out” to transceiver push-to-talk
B	Computer “line in” to transceiver speaker connector
C	Computer “line out” to transceiver speaker connector
D	Computer “line in” to transceiver push-to-talk

17. - T4B12

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

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

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Inductance
B	Ampere-hours
C	Voltage
D	Capacitance

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C04

What is the unit of inductance?

Select	Answer
A	The henry
B	The ohm
C	The farad
D	The coulomb

21. - T5D02

What formula is used to calculate voltage in a circuit?

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

22. - T6A12

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

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

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Potentiometer
B	Varistor
C	Thermistor
D	Transistor

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	Flow chart
D	Connector pinout

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Control the flow of current
B	Supply electrical energy
C	Give off light when current flows through it
D	Convert electrical energy into radio waves

26. - T7A08

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

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

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	All these choices are correct
B	Harmonics
C	Fundamental overload
D	Spurious emissions

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

Select	Answer
A	A frequency counter
B	A Q meter
C	An antenna analyzer
D	A VTVM

29. - T7D04

Which instrument is used to measure electric current?

Select	Answer
A	An ammeter
B	An ohmmeter
C	An electrometer
D	A voltmeter

30. - T8A04

Which type of modulation is commonly used for VHF and UHF voice repeaters?

Select	Answer
A	SSB
B	FM or PM
C	PSK
D	AM

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	A mode where the satellite receives signals on one band and transmits on another
B	A change in the satellite orbit
C	A special digital communications mode for some satellites
D	An observed change in signal frequency caused by relative motion between the satellite and Earth station

32. - T8C05

What is a grid locator?

Select	Answer
A	An instrument for neutralizing a final amplifier
B	A letter-number designator assigned to an azimuth and elevation
C	A letter-number designator assigned to a geographic location
D	An instrument for radio direction finding

33. - T8D10

Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

Select	Answer
A	Earth-Moon-Earth
B	Meteor scatter
C	Weak signal propagation beacons
D	All these choices are correct

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. - T9B10

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

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

Figure T-2

Figure T-1