US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Anonymous User

US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Logging in (or registering) will help the system to select questions that you need to focus on.

1. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Black insulation is never used
B	Neutral
C	Hot
D	Equipment ground

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	Put a drip loop in the ground connection to prevent water damage to the ground system
C	Make sure all ground wire bends are right angles
D	All these choices are correct

3. - T0C05

Why do exposure limits vary with frequency?

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

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	International Telecommunication Union
B	Frequency Spectrum Manager appointed by the FCC
C	Volunteer Frequency Coordinator recognized by local amateurs
D	FCC Regional Field Office

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

Select	Answer
A	902.0 MHz to 902.1 MHz
B	50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
C	All these choices are correct
D	219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur with a General or Amateur Extra Class license
B	Only a licensed amateur with an Amateur Extra Class license
C	Any licensed amateur
D	Only a licensed amateur who has been licensed continuously for more than 10 years

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Transmission of messages directed only to amateur operators
B	Two-way transmissions by amateur stations
C	Transmissions intended for reception by the general public
D	Any transmission made by the licensed station

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	The FCC
B	The station licensee
C	The frequency coordinator
D	Any licensed operator

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 repeater call sign followed by the station’s call sign
C	The station’s call sign followed by the word “monitoring”
D	“CQ CQ” followed by the repeater’s call sign

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A single repeater with more than one receiver
B	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network
C	A system of repeaters linked by APRS
D	Multiple repeaters with the same control operator

12. - T2C04

What is RACES?

Select	Answer
A	An emergency organization combining amateur radio and citizens band operators and frequencies
B	An FCC part 97 amateur radio service for civil defense communications during national emergencies
C	An international radio experimentation society
D	A radio contest held in a short period, sometimes called a “sprint”

13. - T3A02

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

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

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	All these choices are correct
B	Traditional letter/number designators
C	Channel numbers
D	The approximate wavelength in meters

15. - T3C07

What band is best suited for communicating via meteor scatter?

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

16. - T4A06

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

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

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

Select	Answer
A	Enable the VOX
B	Enable the frequency offset
C	Use the scan mode to select the desired frequency
D	Store it in a memory channel

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Siemens
B	Ohms
C	Mhos
D	Coulombs

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	mh
B	MHz
C	Mhz
D	MH

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	0.5 amperes
B	20,000 amperes
C	100 amperes
D	2 amperes

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Varactor
B	Fuse
C	Thyratron
D	All these choices are correct

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With the letter C
B	With the letter K
C	With a stripe
D	With the word "cathode"

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Transistor
B	Connector
C	Resistor
D	Battery

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Diode
B	Transformer
C	Variable capacitor
D	Transistor

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Input for a preamplifier tuning tone
B	Provides a transmit tuning tone when grounded
C	Switches transceiver from receive to transmit when grounded
D	Input for a key used to send CW

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	Your transmitter is slightly off frequency
B	Your batteries are running low
C	All these choices are correct
D	You are in a bad location

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 resistant jackets prevent harmonic radiation
C	Ultraviolet light can damage the jacket and allow water to enter the cable
D	Ultraviolet and RF signals can mix, causing interference

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A10

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

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

31. - T8B07

What is Doppler shift in reference to satellite communications?

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

32. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	A directional antenna
B	All these choices are correct
C	A calibrated noise bridge
D	Calibrated SWR meter

33. - T8D09

What is CW?

Select	Answer
A	A type of electromagnetic propagation
B	Another name for a Morse code transmission
C	A technique for coil winding
D	A digital mode used primarily on 2 meter FM

34. - T9A01

What is a beam antenna?

Select	Answer
A	An antenna that reverses the phase of received signals
B	An antenna built from aluminum I-beams
C	An omnidirectional antenna invented by Clarence Beam
D	An antenna that concentrates signals in one direction

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Less antenna wear
B	Reduced television interference
C	Reduced signal loss
D	All these choices are correct

Figure T-1