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

2. - T0B02

What is required when climbing an antenna tower?

Select	Answer
A	Have sufficient training on safe tower climbing techniques
B	All these choices are correct
C	Always wear an approved climbing harness
D	Use appropriate tie-off to the tower at all times

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	The human body absorbs more RF energy at some frequencies than at others
B	Lower frequency RF fields have more energy than higher frequency fields
C	Higher frequency RF fields are transient in nature
D	Lower frequency RF fields do not penetrate the human body

4. - T1A08

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

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

5. - T1B06

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

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

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	KA1X
B	All these choices are correct
C	KF1XXX
D	W1XX

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	When broadcasting communications to or from the space shuttle
B	When such communications are directly related to the immediate safety of human life or protection of property
C	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
D	Never

8. - T1E09

Which of the following are required for remote control operation?

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

9. - T1F06

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

Select	Answer
A	All these choices are correct
B	KL7CC stroke W3
C	KL7CC slash W3
D	KL7CC slant 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 "CQ" three times, then the other station's call sign
B	Wait for the station to call CQ, then answer
C	Say "break, break," then say the station's call sign
D	Say the station's call sign, then identify with your call sign

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A system of repeaters linked by APRS
B	Multiple repeaters with the same control operator
C	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network
D	A single repeater with more than one receiver

12. - T2C05

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

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

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Try to find a path that reflects signals to the repeater
B	Try the long path
C	Change from vertical to horizontal polarization
D	Increase the antenna SWR

14. - T3B10

What frequency range is referred to as HF?

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

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio signals move somewhat faster than the speed of light
B	Radio waves are blocked by dust particles
C	Radio waves are not blocked by dust particles
D	The atmosphere refracts radio waves slightly

16. - T4A12

What is an electronic keyer?

Select	Answer
A	A device for switching antennas from transmit to receive
B	A device that assists in manual sending of Morse code
C	An interlock to prevent unauthorized use of a radio
D	A device for voice activated switching from receive to transmit

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Permits noise or interference reduction by selecting a bandwidth matching the mode
B	Permits monitoring several modes at once by selecting a separate filter for each mode
C	Increases the amount of offset between receive and transmit frequencies
D	Increases the number of frequencies that can be stored in memory

18. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Current
B	Capacitance
C	Voltage
D	Resistance

19. - T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

Select	Answer
A	10 dB
B	2 dB
C	5 dB
D	3 dB

20. - T5C04

What is the unit of inductance?

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

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Select	Answer
A	10 volts
B	1 volt
C	9 volts
D	11 volts

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Double-pole double-throw
B	Single-pole double-throw
C	Double-pole single-throw
D	Single-pole single-throw

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Alternator
B	Triode
C	Pentagrid converter
D	Transistor

24. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable transformer
B	Variable capacitor
C	Variable resistor
D	Variable inductor

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Potentiometer
B	Transistor
C	Relay
D	Meter

26. - T7A03

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

Select	Answer
A	Amplifier
B	Inverter
C	Mixer
D	Phase splitter

27. - T7B02

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

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

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet resistant jackets prevent harmonic radiation
B	Ultraviolet and RF signals can mix, causing interference
C	Ultraviolet light can damage the jacket and allow water to enter the cable
D	Ultraviolet light can increase losses in the cable’s jacket

29. - T7D10

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

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

30. - T8A05

Which of the following types of signal has the narrowest bandwidth?

Select	Answer
A	FM voice
B	CW
C	SSB voice
D	Slow-scan TV

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	A licensed radio amateur who has been certified by the protocol developer
B	Anyone
C	A licensed radio amateur who has registered for an access code from AMSAT
D	A licensed radio amateur with a transmitter equipped for interrogating the satellite

32. - T8C05

What is a grid locator?

Select	Answer
A	An instrument for radio direction finding
B	A letter-number designator assigned to an azimuth and elevation
C	A letter-number designator assigned to a geographic location
D	An instrument for neutralizing a final amplifier

33. - T8D01

Which of the following is a digital communications mode?

Select	Answer
A	FT8
B	All these choices are correct
C	IEEE 802.11
D	Packet radio

34. - T9A05

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

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

35. - T9B09

What can cause erratic changes in SWR?

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

Figure T-2