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

2. - T0B11

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

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

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

4. - T1A07

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

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

5. - T1B06

On which HF bands does a Technician class operator have phone privileges?

Select	Answer
A	None
B	80 meter, 40 meter, 15 meter, and 10 meter bands
C	30 meter band only
D	10 meter band only

6. - T1C09

What is the grace period for renewal if an amateur license expires?

Select	Answer
A	Three years
B	Two years
C	Five years
D	Ten years

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	The FCC maintains a list of words that are not permitted to be used on amateur frequencies
B	The ITU maintains a list of words that are not permitted to be used on amateur frequencies
C	There is no such prohibition
D	Any such language is prohibited

8. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The location at which the control operator function is performed
B	The location of the station’s transmitting apparatus
C	The mailing address of the station licensee
D	The location of the station’s transmitting antenna

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

Select	Answer
A	Any language recognized by the ITU
B	Any language recognized by the United Nations
C	English, French, or Spanish
D	English

10. - T2A10

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

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

11. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

Select	Answer
A	Use subaudible tones so both stations can share the frequency
B	Interference is inevitable, so no action is required
C	Both stations should choose another frequency to avoid conflict
D	The stations should negotiate continued use of the frequency

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. - 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	Absorption
C	Range increase
D	Deflection

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	300 to 3000 MHz
B	3 to 30 MHz
C	300 to 3000 kHz
D	30 to 300 MHz

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Faraday rotation
B	Quantum tunneling
C	Doppler shift
D	Knife-edge diffraction

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	The frequency and power level at which the measurements will be made
B	All these choices are correct
C	The types of modulation being used at the station
D	The distance that the meter will be located from the antenna

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

Select	Answer
A	Use the scan mode to select the desired frequency
B	Enable the frequency offset
C	Store it in a memory channel
D	Enable the VOX

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	All these choices are correct
B	They have relatively high density
C	They have many free protons
D	They have many free electrons

19. - T5B13

Which is equal to 2425 MHz?

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

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

Select	Answer
A	132 amperes
B	12 amperes
C	10 amperes
D	0.1 amperes

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	16 ohms
B	48 ohms
C	8 ohms
D	3 ohms

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Varistor
B	Capacitor
C	Diode
D	Inductor

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Source and drain
B	Plus and minus
C	Gate and base
D	Anode and cathode

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	Wire lengths
B	Physical appearance of components
C	Component connections
D	All these choices are correct

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To decrease the resistance of DC power connections
B	To couple the wire to other signals
C	To increase the current carrying capability of the wire
D	To prevent coupling of unwanted signals to or from the wire

26. - T7A03

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

Select	Answer
A	Phase splitter
B	Inverter
C	Mixer
D	Amplifier

27. - T7B03

Which of the following can cause radio frequency interference?

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

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It distorts the signal
B	It increases the SWR
C	It is converted into heat
D	It is radiated as harmonics

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Tin-copper solder
B	Lead-tin solder
C	Acid-core solder
D	Rosin-core solder

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

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A gateway
B	A digipeater
C	A beacon
D	A repeater

33. - T8D09

What is CW?

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

34. - T9A01

What is a beam antenna?

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

35. - T9B09

What can cause erratic changes in SWR?

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