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. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

Select	Answer
A	At the output connector of a transceiver
B	At the ac power service panel
C	On a grounded panel near where feed lines enter the building
D	At the antenna feed point

2. - T0B06

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

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

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Relocate the transmitter
B	Increase the duty cycle
C	All these choices are correct
D	Relocate antennas

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Select	Answer
A	All these choices are correct
B	The FCC
C	FEMA
D	Homeland Security

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	50 watts
B	100 watts
C	200 watts
D	10 watts

6. - T1C01

For which license classes are new licenses currently available from the FCC?

Select	Answer
A	Technician, General, Amateur Extra
B	Technician, Technician Plus, General, Amateur Extra
C	Novice, Technician Plus, General, Advanced
D	Novice, Technician, General, Amateur Extra

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	When broadcasting communications to or from the space shuttle
B	Never
C	When such communications are directly related to the immediate safety of human life or protection of property
D	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	Never
B	When using automatic control, such as in the case of a repeater
C	When the station licensee is away and another licensed amateur is using the station
D	When the transmitting station is an auxiliary station

9. - T1F03

When are you required to transmit your assigned call sign?

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

10. - T2A04

What is an appropriate way to call another station on a repeater if you know the other station's call sign?

Select	Answer
A	Say the station's call sign, then identify with your call sign
B	Say "CQ" three times, then the other station's call sign
C	Say "break, break," then say the station's call sign
D	Wait for the station to call CQ, then answer

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

Select	Answer
A	Join the repeater owner’s club
B	Program your radio with the group’s ID or code
C	Sign your call after the courtesy tone
D	Register your radio with the local FCC office

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	Speak very loudly into the microphone
B	Spell the words using a standard phonetic alphabet
C	All these choices are correct
D	Send the words by voice and Morse code

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	Digital modes are unusable
D	Either vertically or horizontally polarized antennas may be used for transmission or reception

14. - T3B04

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

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

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	D region refraction
B	Faraday rotation
C	F2 region refraction
D	Tropospheric ducting

16. - T4A04

How are the transceiver audio input and output connected in a station configured to operate using FT8?

Select	Answer
A	To a computer running a terminal program and connected to a terminal node controller unit
B	To the audio input and output of a computer running WSJT-X software
C	To an FT8 conversion unit, a keyboard, and a computer monitor
D	To a computer connected to the FT8converter.com website

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	The DMR software version
B	The codec for digitizing audio
C	Your call sign in CW for automatic identification
D	Access information for repeaters and talkgroups

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Mhos
B	Siemens
C	Coulombs
D	Ohms

19. - T5B09

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

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

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

Select	Answer
A	23.8 watts
B	0.7 watts
C	138 watts
D	3.8 watts

21. - T5D03

What formula is used to calculate resistance in a circuit?

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

22. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Potentiometer
B	Power resistor
C	Fixed resistor
D	Transformer

23. - T6B12

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

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

24. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Antenna
B	Transmitter
C	Ground
D	Dummy load

25. - T6D09

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

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

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Sensitivity
B	Linearity
C	Total Harmonic Distortion
D	Selectivity

27. - T7B03

Which of the following can cause radio frequency interference?

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

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	Zero
B	1:1
C	Full Scale
D	50:50

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

Select	Answer
A	In phase
B	In quadrature
C	In series
D	In parallel

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	2.4 kHz
B	150 Hz
C	1000 Hz
D	15 kHz

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	A licensed radio amateur with a transmitter equipped for interrogating the satellite
B	A licensed radio amateur who has registered for an access code from AMSAT
C	Anyone
D	A licensed radio amateur who has been certified by the protocol developer

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A gateway
B	A beacon
C	A repeater
D	A digipeater

33. - T8D08

Which of the following is included in packet radio transmissions?

Select	Answer
A	All these choices are correct
B	Automatic repeat request in case of error
C	A check sum that permits error detection
D	A header that contains the call sign of the station to which the information is being sent

34. - T9A06

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

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

35. - T9B04

What is the major function of an antenna tuner (antenna coupler)?

Select	Answer
A	It automatically selects the proper antenna for the frequency band being used
B	It allows an antenna to be used on both transmit and receive
C	It helps a receiver automatically tune in weak stations
D	It matches the antenna system impedance to the transceiver's output impedance

Figure T-3