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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
B	All these choices are correct
C	Touching both terminals with the hands can cause electrical shock
D	Shorting the terminals can cause burns, fire, or an explosion

2. - T0B03

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

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

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	Electrocution
B	All these choices are correct
C	Radiation poisoning
D	RF burn to skin

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	International Telecommunication Union
B	Volunteer Frequency Coordinator recognized by local amateurs
C	FCC Regional Field Office
D	Frequency Spectrum Manager appointed by the FCC

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.050 MHz to 28.150 MHz
B	28.500 MHz to 28.600 MHz
C	28.100 MHz to 28.300 MHz
D	28.300 MHz to 28.500 MHz

6. - T1C01

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

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

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
B	Any country banned from making such communications by the American Radio Relay League (ARRL)
C	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
D	Any country banned from such communications by the International Amateur Radio Union (IARU)

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	The control operator must indirectly manipulate the controls
B	A control operator is required at all times
C	The control operator must be at the control point
D	All these choices are correct

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least once during each transmission
B	At least every 15 minutes during and at the end of a communication
C	At the beginning of each contact, and every 10 minutes thereafter
D	At least every 10 minutes during and at the end of a communication

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	“CQ CQ” followed by the repeater’s call sign
B	The station’s call sign followed by the word “monitoring”
C	“QSY” followed by your call sign
D	The repeater call sign followed by the station’s call sign

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. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only when part of a RACES emergency plan
B	Yes, but only when part of a FEMA emergency plan
C	Yes, but only in situations involving the immediate safety of human life or protection of property
D	No

13. - T3A06

What is the meaning of the term “picket fencing”?

Select	Answer
A	Local vs long-distance communications
B	Rapid flutter on mobile signals due to multipath propagation
C	A type of ground system used with vertical antennas
D	Alternating transmissions during a net operation

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	The approximate wavelength in meters
B	Channel numbers
C	Traditional letter/number designators
D	All these choices are correct

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	Sporadic E
B	D region absorption
C	Gray-line propagation
D	Backscatter

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	In the feed line, between the transmitter and antenna
B	In parallel with the push-to-talk line and the antenna
C	At the power supply output
D	In the power supply cable, as close as possible to the radio

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The tone squelch
B	The bandwidth selection
C	The AGC or limiter
D	The RIT or Clarifier

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Frequency
B	Pulse rate
C	Speed
D	Wavelength

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	0.002425 GHz
B	2425 GHz
C	24.25 GHz
D	2.425 GHz

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

Select	Answer
A	0.208 watts
B	4.8 watts
C	30 watts
D	14.5 watts

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Series
B	Resonant
C	Branch
D	Parallel

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Varistor
B	Diode
C	Capacitor
D	Inductor

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Signal, bias, power
B	Emitter, base, collector
C	Input, output, supply
D	Pole one, pole two, output

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Variable inductor
B	Potentiometer
C	Transformer
D	Double-pole switch

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	FET
B	Zener diode
C	LED
D	Bipolar transistor

26. - T7A07

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

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

27. - T7B03

Which of the following can cause radio frequency interference?

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

28. - T7C02

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

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

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Steady full-scale reading
B	Decreasing resistance with time
C	Increasing resistance with time
D	Alternating between open and short circuit

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	More than 10 MHz
B	About 6 MHz
C	About 3 MHz
D	About 1 MHz

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. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	DMR
B	D-STAR
C	EchoLink
D	IRLP

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	An internet linking protocol used to network repeaters
B	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
C	A satellite communications network using modified commercial satellite TV hardware
D	A wide-bandwidth digital voice mode employing DMR protocols

34. - T9A05

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

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

35. - T9B10

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

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

Figure T-2