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. - T0A12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

Select	Answer
A	Ensure that the voltmeter is set to the correct frequency
B	Ensure that the voltmeter has very low impedance
C	Ensure that the circuit is grounded through the voltmeter
D	Ensure that the voltmeter and leads are rated for use at the voltages to be measured

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	Insulate the base of the tower to avoid lightning strikes
B	Wear a ground strap connected to your wrist at all times
C	Look for and stay clear of any overhead electrical wires
D	All these choices are correct

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
B	By informing the FCC of any changes made in your station
C	By making sure your antennas have low SWR
D	All these choices are correct

4. - T1A08

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

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

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	222.15 MHz
B	52.525 MHz
C	49.00 MHz
D	28.50 MHz

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur with a General or Amateur Extra Class license
B	Only a licensed amateur who has been licensed continuously for more than 10 years
C	Any licensed amateur
D	Only a licensed amateur with an Amateur Extra Class license

7. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	When selling amateur radio equipment and not on a regular basis
B	When no profit is made on the sale
C	When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
D	Never

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The highest class of operator license held by anyone on the premises
B	The frequency authorized by the frequency coordinator
C	The frequencies printed on the license grant
D	The class of operator license held by the control operator

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At the beginning of each contact, and every 10 minutes thereafter
B	At least every 10 minutes during and at the end of a communication
C	At least every 15 minutes during and at the end of a communication
D	At least once during each transmission

10. - T2A06

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

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

11. - T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

Select	Answer
A	All these choices are correct
B	You are using the wrong DCS code
C	You are using the wrong CTCSS tone
D	Improper transceiver offset

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	Ensuring that any newsworthy messages are relayed to the news media
B	Passing messages exactly as received
C	All these choices are correct
D	Making decisions as to whether messages are worthy of relay or delivery

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	FM voice is unusable
B	Both the transmitting and receiving antennas must be of the same polarization
C	Either vertically or horizontally polarized antennas may be used for transmission or reception
D	Digital modes are unusable

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They are at right angles
B	They are in parallel
C	They travel at different speeds
D	They revolve in opposite directions

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

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To minimize voltage drop when transmitting
B	To provide a good counterpoise for the antenna
C	To avoid RF interference
D	All these choices are correct

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

Select	Answer
A	By activating automatic identification
B	By entering the group’s identification code
C	By retrieving the frequencies from transceiver memory
D	By enabling the group’s CTCSS tone

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Farad
B	Henry
C	Tesla
D	Hertz

19. - T5B04

Which is equal to one microvolt?

Select	Answer
A	One million volts
B	One one-millionth of a volt
C	One one-thousandth of a volt
D	One thousand kilovolts

20. - T5C03

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

Select	Answer
A	Admittance
B	Resistance
C	Inductance
D	Capacitance

21. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Select	Answer
A	0.25 volts
B	1 volt
C	1.5 volts
D	2.5 volts

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Capacitance
B	Field strength
C	Resistance
D	Inductance

23. - T6B08

What does the abbreviation FET stand for?

Select	Answer
A	Free Electron Transmitter
B	Frequency Emission Transmitter
C	Fast Electron Transistor
D	Field Effect Transistor

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Double-pole switch
B	Potentiometer
C	Variable inductor
D	Transformer

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Transformer
B	Diode
C	Variable capacitor
D	Transistor

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Low-pass filter
B	Transverter
C	High-pass filter
D	Phase converter

27. - T7B03

Which of the following can cause radio frequency interference?

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

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 efficiency of an antenna
D	To improve the signal-to-noise ratio of a receiver

29. - T7D10

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

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

30. - T8A05

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

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

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	All these choices are correct
B	Listen for distortion on your downlink signal
C	Your signal strength on the downlink should be about the same as the beacon
D	Check your signal strength report in the telemetry data

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Net operations
B	Public service events
C	Contesting
D	Simulated emergency exercises

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. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	50
B	19
C	112
D	12

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The characteristic impedance increases
B	The loss decreases
C	The loss increases
D	The characteristic impedance decreases

Figure T-2