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

2. - T0B01

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

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

3. - T0C05

Why do exposure limits vary with frequency?

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

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	A printed copy of the certificate of successful completion of examination
B	An email notification from the NCVEC granting the license
C	All these choices are correct
D	The license appears in the FCC ULS database

5. - T1B06

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

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

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
B	From within any country that belongs to the International Telecommunication Union
C	From within any country that is a member of the United Nations
D	From any vessel or craft located in international waters and documented or registered in the United States

7. - T1D11

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

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

8. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The mailing address of the station licensee
B	The location of the station’s transmitting antenna
C	The location of the station’s transmitting apparatus
D	The location at which the control operator function is performed

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time after written notification by the FCC of such inspection
B	At any time upon request by an FCC representative
C	Only when presented with a valid warrant by an FCC official or government agent
D	At any time ten days after notification by the FCC of such an inspection

10. - T2A09

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

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

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	GPRS
B	D-STAR
C	DTMF
D	CTCSS

12. - T2C05

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

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

13. - T3A06

What is the meaning of the term “picket fencing”?

Select	Answer
A	Alternating transmissions during a net operation
B	Local vs long-distance communications
C	Rapid flutter on mobile signals due to multipath propagation
D	A type of ground system used with vertical antennas

14. - T3B01

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

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

15. - T3C11

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

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

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	The types of modulation being used at the station
B	The frequency and power level at which the measurements will be made
C	The distance that the meter will be located from the antenna
D	All these choices are correct

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	500 Hz
B	1000 Hz
C	2400 Hz
D	5000 Hz

18. - T5A09

Which of the following describes alternating current?

Select	Answer
A	Current that alternates between a negative direction and zero
B	All these answers are correct
C	Current that alternates between a positive direction and zero
D	Current that alternates between positive and negative directions

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

Select	Answer
A	0.1 amperes
B	132 amperes
C	10 amperes
D	12 amperes

21. - T5D13

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

Select	Answer
A	Parallel
B	Resonant
C	Branch
D	Series

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Resistance
B	Field strength
C	Inductance
D	Capacitance

23. - T6B01

Which is true about forward voltage drop in a diode?

Select	Answer
A	It is proportional to peak inverse voltage
B	It indicates that the diode is defective
C	It has no impact on the voltage delivered to the load
D	It is lower in some diode types than in others

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Resistor
B	Capacitor
C	Regulator IC
D	Transistor

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	Integrated circuit
C	Transformer
D	Transducer

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	Switches transceiver from receive to transmit when grounded
D	Provides a transmit tuning tone when grounded

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
B	Make sure your station meets the standards of good amateur practice
C	Work with your neighbor to identify the offending device
D	All these choices are correct

28. - T7C10

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

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

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Failing to connect one of the probes to ground
B	Not allowing it to warm up properly
C	Attempting to measure voltage when using the resistance setting
D	Attempting to measure resistance using the voltage setting

30. - T8A05

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

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

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

32. - T8C03

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

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

33. - T8D07

Which of the following describes DMR?

Select	Answer
A	An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
B	A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
C	A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
D	An automatic position tracking mode for FM mobiles communicating through repeaters

34. - T9A05

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

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

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	Multi-conductor unbalanced cable
B	50-ohm flexible coax
C	Air-insulated hardline
D	75-ohm flexible coax

Figure T-2