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. - T0A04

What is the purpose of a fuse in an electrical circuit?

Select	Answer
A	All these choices are correct
B	To remove power in case of overload
C	To limit current to prevent shocks
D	To prevent power supply ripple from damaging a component

2. - T0B04

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

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

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation is perfectly safe
B	RF radiation is limited in range to a few feet
C	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
D	RF radiation can only be detected with an RF dosimeter

4. - T1A08

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

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

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.300 MHz to 28.500 MHz
B	28.050 MHz to 28.150 MHz
C	28.100 MHz to 28.300 MHz
D	28.500 MHz to 28.600 MHz

6. - T1C05

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

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

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Transmissions intended for reception by the general public
B	Any transmission made by the licensed station
C	Two-way transmissions by amateur stations
D	Transmission of messages directed only to amateur operators

8. - T1E03

Who must designate the station control operator?

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

9. - T1F03

When are you required to transmit your assigned call sign?

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

10. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Full duplex
B	Simplex
C	Multiplex
D	Diplex

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To listen on a repeater’s output frequency
B	To listen on a repeater’s input frequency
C	To increase power output
D	To reduce power output

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	Operation by mobile or portable stations
C	Requests to activate the net by a served agency
D	Messages exchanged by net stations

13. - T3A07

What weather condition might decrease range at microwave frequencies?

Select	Answer
A	Precipitation
B	Colder temperatures
C	Low barometric pressure
D	High winds

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength gets longer as frequency increases
B	Wavelength and frequency are unrelated
C	Wavelength gets shorter as frequency increases
D	Wavelength and frequency increase as path length increases

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

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	NMEA GPS location and DC power
B	Receive and transmit mode, status, and location
C	Receive audio, transmit audio, and transmitter keying
D	Antenna and RF power

17. - T4B09

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

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

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Capacitance
B	Voltage
C	Inductance
D	Ampere-hours

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C04

What is the unit of inductance?

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

21. - T5D02

What formula is used to calculate voltage in a circuit?

Select	Answer
A	E = I x R
B	E = I / R
C	E = I - R
D	E = I + R

22. - T6A07

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

Select	Answer
A	Inductor
B	Diode
C	Switch
D	Capacitor

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Emitter, base, collector
B	Signal, bias, power
C	Input, output, supply
D	Pole one, pole two, output

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Ground symbol
B	Transistor
C	Resistor
D	Battery

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 increase the current carrying capability of the wire
C	To prevent coupling of unwanted signals to or from the wire
D	To couple the wire to other signals

26. - T7A04

Which term describes the ability of a receiver to discriminate between multiple signals?

Select	Answer
A	Harmonic distortion
B	Discrimination ratio
C	Sensitivity
D	Selectivity

27. - T7B03

Which of the following can cause radio frequency interference?

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

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

Select	Answer
A	An antenna analyzer
B	A VTVM
C	A frequency counter
D	A Q meter

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	Rosin-core solder
C	Acid-core solder
D	Lead-tin solder

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	PM
B	FM
C	SSB
D	DRM

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

Select	Answer
A	Time of day accurate to plus or minus 1/10 second
B	Health and status of the satellite
C	All these choices are correct
D	The signal strength of received signals

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A technique for measuring signal strength of an amateur transmitter via the internet
B	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
C	A system for informing amateurs in real time of the frequency of active DX stations
D	A system for providing access to websites via amateur radio

33. - T8D05

Which of the following is an application of APRS?

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

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	It has low efficiency
B	It transmits only circularly polarized signals
C	It is mechanically fragile
D	All these choices are correct

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Reduced television interference
B	Reduced signal loss
C	All these choices are correct
D	Less antenna wear

Figure T-1