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. - T0A12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

Select	Answer
A	Ensure that the voltmeter and leads are rated for use at the voltages to be measured
B	Ensure that the voltmeter has very low impedance
C	Ensure that the voltmeter is set to the correct frequency
D	Ensure that the circuit is grounded through the voltmeter

2. - T0B10

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

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

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The percentage of time that a transmitter is not transmitting
B	The difference between the PEP and average power output of a transmitter
C	The difference between the lowest power output and the highest power output of a transmitter
D	The percentage of time that a transmitter is transmitting

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	One
B	No more than two
C	One for each band on which the person plans to operate
D	One for each permanent station location from which the person plans to operate

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	So that modulation sidebands do not extend beyond the band edge
B	All these choices are correct
C	To allow for transmitter frequency drift
D	To allow for calibration error in the transmitter frequency display

6. - T1C01

For which license classes are new licenses currently available from the FCC?

Select	Answer
A	Technician, General, Amateur Extra
B	Novice, Technician Plus, General, Advanced
C	Technician, Technician Plus, General, Amateur Extra
D	Novice, Technician, General, Amateur Extra

7. - T1D04

Under what conditions is an amateur station authorized to transmit music using a phone emission?

Select	Answer
A	When incidental to an authorized retransmission of manned spacecraft communications
B	When the music is transmitted above 1280 MHz
C	When the music produces no spurious emissions
D	When transmissions are limited to less than three minutes per hour

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	The frequency coordinator
B	The station licensee
C	The FCC
D	Any licensed operator

9. - T1F06

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

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

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

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	D-STAR
B	GPRS
C	CTCSS
D	DTMF

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
B	All these choices are correct
C	Unless you are reporting an emergency, transmit only when directed by the net control station
D	Record the time of each of your transmissions

13. - T3A12

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

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

14. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

Select	Answer
A	Wavelength in meters equals frequency in hertz multiplied by 300
B	Wavelength in meters equals 300 divided by frequency in megahertz
C	Wavelength in meters equals frequency in megahertz divided by 300
D	Wavelength in meters equals frequency in hertz divided by 300

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	6 and 10 meters
B	70 centimeters and 1.25 meters
C	23 centimeters
D	All these choices are correct

16. - T4A08

Which of the following conductors is preferred for bonding at RF?

Select	Answer
A	Flat copper strap
B	Copper braid removed from coaxial cable
C	Steel wire
D	Twisted-pair cable

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	All these choices are correct
B	The codec type being used
C	Your call sign
D	Your output power

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Ohms
B	Siemens
C	Coulombs
D	Mhos

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C04

What is the unit of inductance?

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

21. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Resonant
B	Series
C	Branch
D	Parallel

22. - T6A02

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

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

23. - T6B07

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

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

24. - T6C01

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

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

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Transducer
B	Transformer
C	Multi-pole relay
D	Integrated circuit

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Provides a transmit tuning tone when grounded
B	Input for a key used to send CW
C	Switches transceiver from receive to transmit when grounded
D	Input for a preamplifier tuning tone

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The audio amplifier of the transmitter is overloaded
B	The deviation of an FM transmitter is set too low
C	The microphone gain of the transmitter is turned up too high
D	The receiver is unable to reject strong signals outside the AM or FM band

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Solder flux contamination
B	Rapid fluctuation in transmitter output power
C	Moisture contamination
D	Operation at 100% duty cycle for an extended period

29. - T7D02

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

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

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Upper sideband
B	Inverted sideband
C	Suppressed sideband
D	Lower sideband

31. - T8B10

What is a LEO satellite?

Select	Answer
A	A satellite in low earth orbit
B	A satellite in low energy operation mode
C	A sun synchronous satellite
D	A highly elliptical orbit satellite

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	Register your call sign and provide proof of license
B	All these choices are correct
C	Complete the required EchoLink training
D	Purchase a license to use the EchoLink software

33. - T8D04

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

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

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	236
B	112
C	50
D	6

35. - T9B06

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

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