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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	All these choices are correct
B	Shorting the terminals can cause burns, fire, or an explosion
C	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
D	Touching both terminals with the hands can cause electrical shock

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

Select	Answer
A	Use only non-insulated wire
B	Wires must be carefully routed with precise right-angle bends
C	Sharp bends must be avoided
D	Common grounds must be avoided

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	All these choices are correct
B	By calculation based on FCC OET Bulletin 65
C	By calculation based on computer modeling
D	By measurement of field strength using calibrated equipment

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	All these choices are correct
B	It is required when transmitting emergency messages
C	It is required when in contact with foreign stations
D	It is encouraged

5. - T1B08

How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

Select	Answer
A	U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
B	International communications are not permitted in those segments
C	Digital transmissions are not permitted in those segments
D	U.S. amateurs must give foreign amateur stations priority in those segments

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 who has been licensed continuously for more than 10 years
C	Only a licensed amateur with an Amateur Extra Class license
D	Any licensed amateur

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	Any such language is prohibited
B	The FCC maintains a list of words that are not permitted to be used on amateur frequencies
C	The ITU maintains a list of words that are not permitted to be used on amateur frequencies
D	There is no such prohibition

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	A General class or higher licensee with a satellite operator certification
B	Only an Amateur Extra Class operator
C	Only an Amateur Extra Class operator who is also an AMSAT member
D	Any amateur allowed to transmit on the satellite uplink frequency

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least every 15 minutes during and at the end of a communication
B	At least once during each transmission
C	At least every 10 minutes during and at the end of a communication
D	At the beginning of each contact, and every 10 minutes thereafter

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	Make sure you are authorized to use that frequency
B	Listen first to be sure that no one else is using the frequency
C	All these choices are correct
D	Ask if the frequency is in use

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To reduce power output
B	To increase power output
C	To listen on a repeater’s input frequency
D	To listen on a repeater’s output frequency

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only when part of a RACES emergency plan
B	Yes, but only when part of a FEMA emergency plan
C	No
D	Yes, but only in situations involving the immediate safety of human life or protection of property

13. - T3A03

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

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

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The ratio of the energy in the magnetic field to the energy in the electric field
B	The orientation of the magnetic field
C	The orientation of the electric field
D	The ratio of the velocity to the wavelength

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	UHF signals are usually not propagated by the ionosphere
B	They are too weak to go very far
C	UHF signals are absorbed by the ionospheric D region
D	FCC regulations prohibit them from going more than 50 miles

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the battery ampere-hour rating by the average current draw of the equipment
B	Multiply the watts per hour consumed by the equipment by the battery power rating
C	Multiply the square of the current rating of the battery by the input resistance of the equipment
D	Divide the watt-hour rating of the battery by the peak power consumption of the equipment

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	Use the scan mode to select the desired frequency
C	Enable the frequency offset
D	Store it in a memory channel

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Henry
B	Tesla
C	Hertz
D	Farad

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	0.003 amperes
B	3,000,000 amperes
C	0.3 amperes
D	3 amperes

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Resistance
B	Admittance
C	Capacitance
D	Inductance

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

Select	Answer
A	13.5 ohms
B	18 ohms
C	8 ohms
D	0.125 ohms

22. - T6A11

Which of the following battery chemistries is not rechargeable?

Select	Answer
A	Nickel-cadmium
B	Carbon-zinc
C	Lead-acid
D	Lithium-ion

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Fuse
B	Resistor
C	Driven element
D	Diode

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Transistor
B	Resistor
C	Regulator IC
D	Capacitor

25. - T6D11

Which of the following is a resonant or tuned circuit?

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

26. - T7A07

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

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

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Switch the transmitter to a narrow-band mode
B	Block the amateur signal with a filter at the antenna input of the affected receiver
C	Switch the transmitter from FM to SSB
D	Block the interfering signal with a filter on the amateur transmitter

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It requires special techniques to prevent moisture in the cable
B	It cannot be used at below freezing temperatures
C	It cannot be used for VHF or UHF antennas
D	It has more loss per foot

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A05

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

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

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
B	The satellite operates using ultraviolet frequencies
C	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
D	The satellite frequencies are usually variable

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

Select	Answer
A	A set of rules specifying how to identify your station when linked over the internet to another station
B	A technique employed to “spot” DX stations via the internet
C	A method of delivering voice communications over the internet using digital techniques
D	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
B	A wide-bandwidth digital voice mode employing DMR protocols
C	An internet linking protocol used to network repeaters
D	A satellite communications network using modified commercial satellite TV hardware

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	112
B	19
C	50
D	12

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It is easy to use and requires few special installation considerations
B	It has less loss than any other type of feed line
C	It is less expensive than any other type of feed line
D	It can handle more power than any other type of feed line

Figure T-2