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. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Hot
B	Neutral
C	Equipment ground
D	Black insulation is never used

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	All these choices are correct
B	Make sure all ground wire bends are right angles
C	Put a drip loop in the ground connection to prevent water damage to the ground system
D	Ensure that connections are short and direct

3. - T0C05

Why do exposure limits vary with frequency?

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

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	The local chapter of the Office of National Council of Independent Frequency Coordinators
B	FCC Regional Field Office
C	The FCC Office of Spectrum Management and Coordination Policy
D	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations

5. - T1B08

How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

Select	Answer
A	Digital transmissions are not permitted in those segments
B	International communications are not permitted in those segments
C	U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
D	U.S. amateurs must give foreign amateur stations priority in those segments

6. - T1C01

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

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

7. - T1D11

When may an amateur station transmit without identifying on the air?

Select	Answer
A	When the transmissions are unmodulated
B	When the transmitted power level is below 1 watt
C	When transmitting signals to control model craft
D	When the transmissions are of a brief nature to make station adjustments

8. - T1E09

Which of the following are required for remote control operation?

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

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. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	446.000 MHz
B	146.520 MHz
C	432.100 MHz
D	145.000 MHz

11. - T2B05

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

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

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

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Amplification
B	Polarization rotation
C	Knife-edge diffraction
D	Absorption

14. - T3B10

What frequency range is referred to as HF?

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

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From dawn to shortly after sunset during periods of high sunspot activity
B	From shortly after sunset to dawn during periods of low sunspot activity
C	From dawn to shortly after sunset during periods of low sunspot activity
D	From shortly after sunset to dawn during periods of high sunspot activity

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	A device for voice activated switching from receive to transmit
D	An interlock to prevent unauthorized use of a radio

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	Your output power
B	The codec type being used
C	All these choices are correct
D	Your call sign

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Volts
B	Amperes
C	Watts
D	Ohms

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	28.400 kHz
B	284.00 MHz
C	2.800 MHz
D	28.400 MHz

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Capacitance
B	Admittance
C	Resistance
D	Inductance

21. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Series
B	Branch
C	Resonant
D	Parallel

22. - T6A12

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

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

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Resistor
B	Reactor
C	Transistor
D	Transformer

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Transistor
B	Capacitor
C	Resistor
D	Regulator IC

25. - T6D03

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

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

26. - T7A07

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

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

27. - T7B02

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

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

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Ohmmeter
B	Voltmeter
C	Iambic pentameter
D	Directional wattmeter

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	1 kHz
B	15 kHz
C	3 kHz
D	6 kHz

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Possibility of commanding the satellite to an improper mode
B	Blocking access by other users
C	Overloading the satellite batteries
D	Possibility of rebooting the satellite control computer

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	IRLP
B	DMR
C	EchoLink
D	D-STAR

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing voice over internet connection between repeaters
B	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
C	Showing automatically the number of packets transmitted via PACTOR during a specific time interval
D	Providing information on the number of stations signed into a repeater

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It has 10 times the power gain of a 1/4 wavelength whip
B	It radiates at a very high angle
C	It eliminates distortion caused by reflected signals
D	It has more gain than a 1/4-wavelength antenna

35. - T9B10

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

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

Figure T-2