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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	The power supply ripple would greatly increase
B	Excessive current could cause a fire
C	The larger fuse would be likely to blow because it is rated for higher current
D	All these choices are correct

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. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
B	By informing the FCC of any changes made in your station
C	All these choices are correct
D	By making sure your antennas have low SWR

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	A printed copy of the certificate of successful completion of examination
B	An email notification from the NCVEC granting the license
C	The license appears in the FCC ULS database
D	All these choices are correct

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

Select	Answer
A	In at least some segment of all these bands
B	Only on repeaters
C	On any band if the power is limited to 25 watts
D	Only in sub-bands allocated to General class or higher licensees

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Communications incidental to conducting business or remarks of a personal nature
B	Only communications incidental to contest exchanges; all other communications are prohibited
C	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
D	Any communications that would be permitted by an international broadcast station

7. - T1D04

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

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

8. - T1E06

When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

Select	Answer
A	At no time
B	When using a club station whose trustee holds an Amateur Extra Class license
C	When designated as the control operator by an Amateur Extra Class licensee
D	As part of a multi-operator contest team

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign followed by the indicator RPT
B	Send the call sign using only a phone emission
C	Send the call sign followed by the indicator R
D	Send the call sign using a CW or phone emission

10. - T2A12

What should you do before calling CQ?

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

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Reduce a CW transmitter's key clicks
B	Mute the receiver audio when a signal is not present
C	Eliminate parasitic oscillations in an RF amplifier
D	Reduce interference from impulse noise

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	The number of stations checking in and out of a net
B	Messages exchanged by net stations
C	Requests to activate the net by a served agency
D	Operation by mobile or portable stations

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

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. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	70 centimeters and 1.25 meters
B	23 centimeters
C	6 and 10 meters
D	All these choices are correct

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	FT8 digital communications via AFSK
B	RTTY encoding and decoding without a computer
C	High-speed digital communications for meteor scatter
D	Communication using digital voice or data systems via the internet

17. - T4B05

What does the scanning function of an FM transceiver do?

Select	Answer
A	Tunes through a range of frequencies to check for activity
B	Checks incoming signal deviation
C	Prevents interference to nearby repeaters
D	Checks for messages left on a digital bulletin board

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	They have relatively high density
B	All these choices are correct
C	They have many free protons
D	They have many free electrons

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	1000 microfarads
B	0.001 microfarads
C	1,000,000,000 microfarads
D	1 microfarad

20. - T5C04

What is the unit of inductance?

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

21. - T5D08

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

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

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	Two circuits are opened or closed
B	Two circuits are each switched between one of two other circuits
C	A single circuit is switched between one of two other circuits
D	A single circuit is opened or closed

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	Gain
B	Forward resistance
C	On resistance
D	Forward voltage drop

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Flow chart
B	Bill of materials
C	Schematic
D	Connector pinout

25. - T6D01

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

Select	Answer
A	Reflector
B	Transformer
C	Amplifier
D	Rectifier

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Impedance matching
B	Modulation
C	Low-pass filtering
D	Oscillation

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Let the transceiver cool off
B	Change to a higher power level
C	Talk louder into the microphone
D	Talk farther away from the microphone

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 has more loss per foot
C	It cannot be used for VHF or UHF antennas
D	It cannot be used at below freezing temperatures

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Upper sideband
B	Lower sideband
C	Inverted sideband
D	Suppressed sideband

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	Check your signal strength report in the telemetry data
B	Your signal strength on the downlink should be about the same as the beacon
C	Listen for distortion on your downlink signal
D	All these choices are correct

32. - T8C02

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

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

33. - T8D11

What is an ARQ transmission system?

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

34. - T9A11

What is antenna gain?

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

35. - T9B03

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

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