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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	All these choices are correct
B	The larger fuse would be likely to blow because it is rated for higher current
C	The power supply ripple would greatly increase
D	Excessive current could cause a fire

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	The 60 Hz radiations from the feed line may increase the SWR
B	The antenna could contact high-voltage power lines
C	The antenna will not work properly because of induced voltages
D	All these choices are correct

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	By calculation based on computer modeling
B	By calculation based on FCC OET Bulletin 65
C	By measurement of field strength using calibrated equipment
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	FCC Regional Field Office
B	Volunteer Frequency Coordinator recognized by local amateurs
C	International Telecommunication Union
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	28.100 MHz to 28.300 MHz
B	28.300 MHz to 28.500 MHz
C	28.500 MHz to 28.600 MHz
D	28.050 MHz to 28.150 MHz

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	Yes, for up to two years
B	Yes, for up to one year
C	No, you must wait until the license has been renewed
D	Yes, as soon as you apply for renewal

7. - T1D11

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

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

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	All licensed amateurs who are present at the operation
B	Only the station licensee
C	The control operator and the station licensee
D	Only the control operator

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	The licensed control operator must do the station identification
B	All these choices are correct
C	The foreign station must be in a country with which the U.S. has a third party agreement
D	The person must be a U.S. citizen

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	The station’s call sign followed by the word “monitoring”
B	“CQ CQ” followed by the repeater’s call sign
C	The repeater call sign followed by the station’s call sign
D	“QSY” followed by your call sign

11. - T2B08

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

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

12. - T2C05

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

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

13. - T3A02

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

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

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. - T3C07

What band is best suited for communicating via meteor scatter?

Select	Answer
A	2 meters
B	70 centimeters
C	33 centimeters
D	6 meters

16. - T4A06

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

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

17. - T4B08

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

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

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Mercury
B	Glass
C	Aluminum
D	Copper

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	15 milliamperes
B	15,000 milliamperes
C	1500 milliamperes
D	150 milliamperes

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	khz
B	kHz
C	khZ
D	KHZ

21. - T5D02

What formula is used to calculate voltage in a circuit?

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

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Inductance
B	Resistance
C	Field strength
D	Capacitance

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	Forward resistance
B	On resistance
C	Forward voltage drop
D	Gain

24. - T6C08

What is component 9 in figure T-2?

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

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Multi-pole relay
B	Transducer
C	Integrated circuit
D	Transformer

26. - T7A06

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

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

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 receiver is unable to reject strong signals outside the AM or FM band
C	The audio amplifier of the transmitter is overloaded
D	The deviation of an FM transmitter is set too low

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To improve the signal-to-noise ratio of a receiver
B	To prevent transmitting signals over the air when making tests
C	To improve the efficiency of an antenna
D	To prevent over-modulation of a transmitter

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 6 MHz
B	More than 10 MHz
C	About 3 MHz
D	About 1 MHz

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

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	Purchase a license to use the EchoLink software
B	Register your call sign and provide proof of license
C	Complete the required EchoLink training
D	All these choices are correct

33. - T8D02

What is a “talkgroup” on a DMR repeater?

Select	Answer
A	A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together
B	A way for groups of users to share a channel at different times without hearing other users on the channel
C	A net that meets at a specified time
D	A group of operators sharing common interests

34. - T9A06

Which of the following types of antenna offers the greatest gain?

Select	Answer
A	Yagi
B	J pole
C	5/8 wave vertical
D	Isotropic

35. - T9B09

What can cause erratic changes in SWR?

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

Figure T-2