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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Excess output ripple
B	Half-wave rectification
C	Overheating or out-gassing
D	Inverse memory effect

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	1/2 wavelength at the operating frequency
B	The height of the power line above ground
C	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
D	Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires

3. - T0C09

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

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

4. - T1A05

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

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

5. - T1B01

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

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

6. - T1C05

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

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

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

8. - T1E09

Which of the following are required for remote control operation?

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

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least every 10 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 15 minutes during and at the end of a communication
D	At least once during each transmission

10. - T2A09

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

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

11. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

Select	Answer
A	Tone burst
B	Carrier squelch
C	DTMF
D	CTCSS

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	The call sign of the originating station
B	The number of words or word equivalents in the text portion of the message
C	A list of stations that have relayed the message
D	A box on the message form that indicates that the message was received and/or relayed

13. - T3A06

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

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

14. - T3B04

What is the velocity of a radio wave traveling through free space?

Select	Answer
A	Speed of light
B	Speed that increases as the frequency increases
C	Speed of sound
D	Speed inversely proportional to its wavelength

15. - T3C02

What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

Select	Answer
A	Long-distance ionospheric propagation is far more common on HF
B	There is less atmospheric interference (static) on HF
C	HF accommodates wider bandwidth signals
D	HF antennas are generally smaller

16. - T4A12

What is an electronic keyer?

Select	Answer
A	A device for voice activated switching from receive to transmit
B	An interlock to prevent unauthorized use of a radio
C	A device that assists in manual sending of Morse code
D	A device for switching antennas from transmit to receive

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	Distorted transmitted audio
B	Frequency instability
C	Increased SWR
D	All these choices are correct

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Wavelength
B	Pulse rate
C	Speed
D	Frequency

19. - T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

Select	Answer
A	3 dB
B	5 dB
C	2 dB
D	10 dB

20. - T5C02

What is the unit of capacitance?

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

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Series
B	Branch
C	Parallel
D	Resonant

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Capacitor
B	Diode
C	Varistor
D	Inductor

23. - T6B12

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

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

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Resistor
B	Ground symbol
C	Transistor
D	Lamp

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	A resistor circuit used for reducing standing wave ratio
B	A linear voltage regulator
C	An inductor and a capacitor in series or parallel
D	A circuit designed to provide high-fidelity audio

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Mixer
B	Amplifier
C	Phase splitter
D	Inverter

27. - T7B02

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

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

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 prevent over-modulation of a transmitter
D	To improve the efficiency of an antenna

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the circuit is not powered
B	Ensure that the circuit is grounded
C	Ensure that the circuit is operating at the correct frequency
D	Ensure that the applied voltages are correct

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Packet radio
B	Spread spectrum
C	Phase shift keying (PSK)
D	Single sideband

31. - T8B02

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

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

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	D-STAR
C	DMR
D	EchoLink

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	Text messages
B	All these choices are correct
C	GPS position data
D	Weather data

34. - T9A05

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

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

35. - T9B09

What can cause erratic changes in SWR?

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

Figure T-1