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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Waterproof them with silicone caulk or electrical tape
B	Bond them together with heavy wire or conductive strap
C	Keep them as far apart as possible
D	Tune them for resonance on the lowest frequency of operation

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	UL recommended practices
B	Local electrical codes
C	FCC Part 97 rules
D	FAA tower lighting regulations

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation is limited in range to a few feet
B	RF radiation can only be detected with an RF dosimeter
C	RF radiation is perfectly safe
D	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	It is required when transmitting emergency messages
B	It is required when in contact with foreign stations
C	All these choices are correct
D	It is encouraged

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	6 meters
B	2 meters
C	20 meters
D	70 centimeters

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. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Beacon, repeater, or space stations
B	Auxiliary, beacon, or Earth stations
C	Earth, repeater, or space stations
D	Repeater, auxiliary, or space stations

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	Controlling a model aircraft, boat, or car by amateur radio
B	Operating the station over the internet
C	All these choices are correct
D	Repeater operation

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Repeater station
B	Message forwarding station
C	Beacon station
D	Earth station

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A voluntary guideline for using different modes or activities within an amateur band
B	A list of operating schedules
C	A list of available net frequencies
D	A plan devised by a club to indicate frequency band usage

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Mute the receiver audio when a signal is not present
B	Eliminate parasitic oscillations in an RF amplifier
C	Reduce a CW transmitter's key clicks
D	Reduce interference from impulse noise

12. - T2C11

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

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

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

Select	Answer
A	Left-hand circular
B	Horizontal
C	Right-hand circular
D	Vertical

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The ratio of the energy in the magnetic field to the energy in the electric field
B	The orientation of the magnetic field
C	The ratio of the velocity to the wavelength
D	The orientation of the electric field

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	UHF signals are usually not propagated by the ionosphere
B	They are too weak to go very far
C	UHF signals are absorbed by the ionospheric D region
D	FCC regulations prohibit them from going more than 50 miles

16. - T4A10

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

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

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	5000 Hz
B	1000 Hz
C	500 Hz
D	2400 Hz

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Copper
B	Mercury
C	Glass
D	Aluminum

19. - T5B13

Which is equal to 2425 MHz?

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

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

Select	Answer
A	P = I  E
B	P = E – I
C	P = I + E
D	P = E / I

21. - T5D03

What formula is used to calculate resistance in a circuit?

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

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	A single circuit is opened or closed
B	Two circuits are each switched between one of two other circuits
C	Two circuits are opened or closed
D	A single circuit is switched between one of two other circuits

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	Forward voltage drop
B	Forward resistance
C	Gain
D	On resistance

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Transistor
B	Ground symbol
C	Lamp
D	Resistor

25. - T6D09

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

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

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Inverter
B	Phase splitter
C	Mixer
D	Amplifier

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Block the amateur signal with a filter at the antenna input of the affected receiver
B	Switch the transmitter from FM to SSB
C	Block the interfering signal with a filter on the amateur transmitter
D	Switch the transmitter to a narrow-band mode

28. - T7C01

What is the primary purpose of a dummy load?

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

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Phase shift keying (PSK)
B	Spread spectrum
C	Packet radio
D	Single sideband

31. - T8B05

What is a satellite beacon?

Select	Answer
A	A transmission from a satellite that contains status information
B	The primary transmit antenna on the satellite
C	A reflective surface on the satellite
D	An indicator light that shows where to point your antenna

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	Send only the minimum information needed for proper identification and the contest exchange
B	All these choices are correct
C	Sign only the last two letters of your call if there are many other stations calling
D	Contact the station twice to be sure that you are in his log

33. - T8D09

What is CW?

Select	Answer
A	A type of electromagnetic propagation
B	Another name for a Morse code transmission
C	A technique for coil winding
D	A digital mode used primarily on 2 meter FM

34. - T9A01

What is a beam antenna?

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

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Less antenna wear
B	Reduced signal loss
C	Reduced television interference
D	All these choices are correct

Figure T-1