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	At the antenna feed point
D	On a grounded panel near where feed lines enter the building

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	FCC Part 97 rules
B	UL recommended practices
C	Local electrical codes
D	FAA tower lighting regulations

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
B	RF radiation is perfectly safe
C	RF radiation can only be detected with an RF dosimeter
D	RF radiation is limited in range to a few feet

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Advancing skills in the technical and communication phases of the radio art
B	All these choices are correct
C	Providing personal radio communications for as many citizens as possible
D	Providing communications for international non-profit organizations

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	50 watts
B	100 watts
C	1500 watts
D	500 watts

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From within any country that belongs to the International Telecommunication Union
B	From within any country that is a member of the United Nations
C	From any vessel or craft located in international waters and documented or registered in the United States
D	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Never
B	Only when transmitting certain approved digital codes
C	Only when transmitting control commands to space stations or radio control craft
D	Only during contests

8. - T1E09

Which of the following are required for remote control operation?

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

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 stroke W3
D	KL7CC slant W3

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

Select	Answer
A	Plus or minus 5 MHz
B	Plus or minus 1 MHz
C	Plus or minus 500 kHz
D	Plus or minus 600 kHz

11. - T2B07

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

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

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	All these choices are correct
B	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
C	Record the time of each of your transmissions
D	Unless you are reporting an emergency, transmit only when directed by the net control station

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	Transmission rates must be increased by a factor equal to the number of separate paths observed
B	Transmission rates must be decreased by a factor equal to the number of separate paths observed
C	No significant changes will occur if the signals are transmitted using FM
D	Error rates are likely to increase

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength and frequency increase as path length increases
B	Wavelength gets longer as frequency increases
C	Wavelength gets shorter as frequency increases
D	Wavelength and frequency are unrelated

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	Backscatter
B	D region absorption
C	Sporadic E
D	Gray-line propagation

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	Receive and transmit mode, status, and location
C	NMEA GPS location and DC power
D	Antenna and RF power

17. - T4B01

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

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

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Henry
B	Hertz
C	Farad
D	Tesla

19. - T5B07

Which is equal to 3.525 MHz?

Select	Answer
A	0.003525 kHz
B	3,525,000 kHz
C	35.25 kHz
D	3525 kHz

20. - T5C02

What is the unit of capacitance?

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

21. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Select	Answer
A	2.5 volts
B	0.25 volts
C	1.5 volts
D	1 volt

22. - T6A11

Which of the following battery chemistries is not rechargeable?

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

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Varistor
B	Field-effect
C	Tesla-effect
D	Bipolar junction

24. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable resistor
B	Variable transformer
C	Variable inductor
D	Variable capacitor

25. - T6D02

What is a relay?

Select	Answer
A	An electrically-controlled switch
B	An inverting amplifier
C	A current controlled amplifier
D	A pass transistor

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	Between the antenna and receiver
B	At the output of the transmitter power amplifier
C	Between the transmitter and the antenna tuner
D	At the output of the receiver audio amplifier

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	Excessive SWR at the antenna connection
B	Frequent blowing of power supply fuses
C	Reports of garbled, distorted, or unintelligible voice transmissions
D	The transmitter will not stay on the desired frequency

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Rapid fluctuation in transmitter output power
B	Operation at 100% duty cycle for an extended period
C	Moisture contamination
D	Solder flux contamination

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 operating at the correct frequency
C	Ensure that the applied voltages are correct
D	Ensure that the circuit is grounded

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

Select	Answer
A	FM signals are harder to tune
B	Voice quality is poorer
C	Only one signal can be received at a time
D	All these choices are correct

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

Select	Answer
A	All these choices are correct
B	Health and status of the satellite
C	The signal strength of received signals
D	Time of day accurate to plus or minus 1/10 second

32. - T8C11

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

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

33. - T8D10

Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

Select	Answer
A	Weak signal propagation beacons
B	All these choices are correct
C	Meteor scatter
D	Earth-Moon-Earth

34. - T9A11

What is antenna gain?

Select	Answer
A	The additional power that is added to the transmitter power
B	The additional power that is required in the antenna when transmitting on a higher frequency
C	The increase in impedance on receive or transmit compared to a reference antenna
D	The increase in signal strength in a specified direction compared to a reference antenna

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	The ratio of amplifier power output to input
B	A measure of how well a load is matched to a transmission line
C	The transmitter efficiency ratio
D	An indication of the quality of your station’s ground connection

Figure T-2