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

2. - T0B11

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

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

3. - T0C07

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

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

4. - T1A07

What is the FCC Part 97 definition of a space station?

Select	Answer
A	A manned satellite orbiting Earth
B	Any satellite orbiting Earth
C	An amateur station located more than 50 km above Earth's surface
D	An amateur station using amateur radio satellites for relay of signals

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

Select	Answer
A	Only on repeaters
B	On any band if the power is limited to 25 watts
C	In at least some segment of all these bands
D	Only in sub-bands allocated to General class or higher licensees

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From within any country that belongs to the International Telecommunication Union
B	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
C	From within any country that is a member of the United Nations
D	From any vessel or craft located in international waters and documented or registered in the United States

7. - T1D01

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

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

8. - T1E03

Who must designate the station control operator?

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

9. - T1F10

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

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

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	All these choices are correct
B	Identify the transmitting station
C	Notify the FCC of the transmissions
D	Conduct tests only between 10 p.m. and 6 a.m. local time

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	Your repeater offset is inverted
B	Your transmit power is too high
C	You need to talk louder
D	You are talking too loudly

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	Messages exchanged by net stations
B	Requests to activate the net by a served agency
C	Operation by mobile or portable stations
D	The number of stations checking in and out of a net

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The mesosphere
B	The stratosphere
C	The ionosphere
D	The troposphere

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Electric and magnetic fields
B	Voltage and current
C	Impedance and reactance
D	Ionizing and non-ionizing radiation

15. - T3C01

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

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

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	24.0 volts at 12 amperes
B	13.8 volts at 4 amperes
C	13.8 volts at 12 amperes
D	24.0 volts at 4 amperes

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	All these choices are correct
B	Frequency instability
C	Distorted transmitted audio
D	Increased SWR

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	Direct current
B	All these choices are correct
C	Alternating current
D	RF current

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	12 dB
B	10 dB
C	18 dB
D	28 dB

20. - T5C05

What is the unit of impedance?

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

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

Select	Answer
A	18 ohms
B	13.5 ohms
C	8 ohms
D	0.125 ohms

22. - T6A07

What electrical component is typically constructed as a coil of wire?

Select	Answer
A	Switch
B	Capacitor
C	Inductor
D	Diode

23. - T6B03

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

Select	Answer
A	Transistor
B	Varistor
C	Thermistor
D	Potentiometer

24. - T6C01

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

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

25. - T6D02

What is a relay?

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

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Select	Answer
A	Change the frequency range of the amplifier to operate in the proper segment of the band
B	Set the amplifier for proper operation in the selected mode
C	Change the mode of the transmitted signal
D	Reduce the received signal noise

27. - T7B03

Which of the following can cause radio frequency interference?

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

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	Zero
B	50:50
C	Full Scale
D	1:1

29. - T7D09

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

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

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

Select	Answer
A	Only one signal can be received at a time
B	Voice quality is poorer
C	All these choices are correct
D	FM signals are harder to tune

31. - T8B05

What is a satellite beacon?

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

32. - T8C04

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

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

33. - T8D09

What is CW?

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

34. - T9A11

What is antenna gain?

Select	Answer
A	The additional power that is added to the transmitter power
B	The additional power that is required in the antenna when transmitting on a higher frequency
C	The increase in impedance on receive or transmit compared to a reference antenna
D	The increase in signal strength in a specified direction compared to a reference antenna

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Overload from a strong local station
B	Over-modulation
C	Local thunderstorm
D	Loose connection in the antenna or feed line