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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Tune them for resonance on the lowest frequency of operation
B	Keep them as far apart as possible
C	Bond them together with heavy wire or conductive strap
D	Waterproof them with silicone caulk or electrical tape

2. - T0B07

Which of the following is an important safety rule to remember when using a crank-up tower?

Select	Answer
A	This type of tower must never be painted
B	This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
C	All these choices are correct
D	This type of tower must never be grounded

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	It increases by a factor of 2
B	It decreases by 50 percent
C	It increases by a factor of 3
D	There is no adjustment allowed for lower duty cycle

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A bulletin sent by the FCC to announce a national emergency
B	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
C	A government transmitter marking the amateur radio band edges
D	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	1500 watts
B	50 watts
C	100 watts
D	500 watts

6. - T1C09

What is the grace period for renewal if an amateur license expires?

Select	Answer
A	Ten years
B	Five years
C	Three years
D	Two years

7. - T1D04

Under what conditions is an amateur station authorized to transmit music using a phone emission?

Select	Answer
A	When the music produces no spurious emissions
B	When incidental to an authorized retransmission of manned spacecraft communications
C	When the music is transmitted above 1280 MHz
D	When transmissions are limited to less than three minutes per hour

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The frequencies printed on the license grant
B	The highest class of operator license held by anyone on the premises
C	The frequency authorized by the frequency coordinator
D	The class of operator license held by the control operator

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

Select	Answer
A	KL7CC slash W3
B	All these choices are correct
C	KL7CC slant W3
D	KL7CC stroke W3

10. - T2A11

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

Select	Answer
A	Full duplex
B	Multiplex
C	Simplex
D	Diplex

11. - T2B11

Which Q signal indicates that you are changing frequency?

Select	Answer
A	QSY
B	QRZ
C	QRU
D	QSL

12. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	The telephone number of the addressee
B	The email address of the originating station
C	The address of the intended recipient
D	Information needed to track the message

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

Select	Answer
A	Vertical
B	Right-hand circular
C	Left-hand circular
D	Horizontal

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 and frequency increase as path length increases
D	Wavelength gets shorter as frequency increases

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Faraday rotation
B	Doppler shift
C	Quantum tunneling
D	Knife-edge diffraction

16. - T4A06

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

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

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	The codec type being used
B	Your call sign
C	Your output power
D	All these choices are correct

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Volts
B	Watts
C	Amperes
D	Watt-hours

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

Select	Answer
A	P = E / I
B	P = I  E
C	P = I + E
D	P = E – I

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	12 volts
B	0.2 volts
C	20 volts
D	8 volts

22. - T6A02

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

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

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Transistor
B	Transformer
C	Resistor
D	Reactor

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Transistor
B	Connector
C	Battery
D	Resistor

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Transformer
B	Amplifier
C	Reflector
D	Rectifier

26. - T7A06

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

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

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Add a preamplifier to the TV antenna input
B	Add a low-pass filter to the TV antenna input
C	Be sure all TV feed line coaxial connectors are installed properly
D	Add a high-pass filter to the TV antenna input

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. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Voltage and resistance
B	All these choices are correct
C	Signal strength and noise
D	Impedance and reactance

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	15 kHz
B	3 kHz
C	6 kHz
D	1 kHz

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	A change in the satellite orbit
B	A special digital communications mode for some satellites
C	An observed change in signal frequency caused by relative motion between the satellite and Earth station
D	A mode where the satellite receives signals on one band and transmits on another

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	Sign only the last two letters of your call if there are many other stations calling
B	Send only the minimum information needed for proper identification and the contest exchange
C	Contact the station twice to be sure that you are in his log
D	All these choices are correct

33. - T8D11

What is an ARQ transmission system?

Select	Answer
A	A method of compressing data using autonomous reiterative Q codes prior to final encoding
B	A special transmission format limited to video signals
C	A system used to encrypt command signals to an amateur radio satellite
D	An error correction method in which the receiving station detects errors and sends a request for retransmission

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It radiates at a very high angle
B	It has more gain than a 1/4-wavelength antenna
C	It eliminates distortion caused by reflected signals
D	It has 10 times the power gain of a 1/4 wavelength whip

35. - T9B02

What is the most common impedance of coaxial cables used in amateur radio?

Select	Answer
A	8 ohms
B	12 ohms
C	600 ohms
D	50 ohms

Figure T-1