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	On a grounded panel near where feed lines enter the building
B	At the ac power service panel
C	At the antenna feed point
D	At the output connector of a transceiver

2. - T0B02

What is required when climbing an antenna tower?

Select	Answer
A	Have sufficient training on safe tower climbing techniques
B	Always wear an approved climbing harness
C	Use appropriate tie-off to the tower at all times
D	All these choices are correct

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Non-ionizing radiation
B	Ionizing radiation
C	Gamma radiation
D	Alpha radiation

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

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	So that modulation sidebands do not extend beyond the band edge
B	All these choices are correct
C	To allow for calibration error in the transmitter frequency display
D	To allow for transmitter frequency drift

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	KF1XXX
B	All these choices are correct
C	KA1X
D	W1XX

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	International Morse Code Practice
B	Telecommand or transmissions of telemetry
C	In all circumstances
D	Broadcasting

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	Never
B	When using automatic control, such as in the case of a repeater
C	When the transmitting station is an auxiliary station
D	When the station licensee is away and another licensed amateur is using the station

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	Once during every hour
B	Never, the tactical call is sufficient
C	At the end of every transmission
D	At the end of each communication and every ten minutes during a communication

10. - T2A03

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

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

11. - T2B01

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

Select	Answer
A	To listen on a repeater’s output frequency
B	To reduce power output
C	To increase power output
D	To listen on a repeater’s input 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 in situations involving the immediate safety of human life or protection of property
B	Yes, but only when part of a RACES emergency plan
C	No
D	Yes, but only when part of a FEMA emergency plan

13. - T3A06

What is the meaning of the term “picket fencing”?

Select	Answer
A	A type of ground system used with vertical antennas
B	Local vs long-distance communications
C	Alternating transmissions during a net operation
D	Rapid flutter on mobile signals due to multipath propagation

14. - T3B02

What property of a radio wave defines its polarization?

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

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. - T4A11

Where should the negative power return of a mobile transceiver be connected in a vehicle?

Select	Answer
A	At the 12 volt battery chassis ground
B	To any metal part of the vehicle
C	At the antenna mount
D	Through the transceiver’s mounting bracket

17. - T4B04

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

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

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Henry
B	Hertz
C	Farad
D	Tesla

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C02

What is the unit of capacitance?

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

21. - T5D07

What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

Select	Answer
A	9600 amperes
B	1.5 amperes
C	0.667 amperes
D	200 amperes

22. - T6A09

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

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

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Potentiometer
B	Transistor
C	Thermistor
D	Varistor

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	Component connections
B	Wire lengths
C	All these choices are correct
D	Physical appearance of components

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	Bipolar transistor
B	FET
C	Zener diode
D	LED

26. - T7A08

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

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

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	Harmonics
B	All these choices are correct
C	Fundamental overload
D	Spurious emissions

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It is converted into heat
B	It is radiated as harmonics
C	It increases the SWR
D	It distorts the signal

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	A bright or shiny surface
B	A rough or lumpy surface
C	Dark black spots
D	Excessive solder

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	1000 Hz
B	15 kHz
C	150 Hz
D	2.4 kHz

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Blocking access by other users
B	Possibility of commanding the satellite to an improper mode
C	Possibility of rebooting the satellite control computer
D	Overloading the satellite batteries

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	Register your call sign and provide proof of license
B	All these choices are correct
C	Complete the required EchoLink training
D	Purchase a license to use the EchoLink software

33. - T8D13

What is FT8?

Select	Answer
A	A digital slow-scan TV mode with forward error correction and automatic color compensation
B	An eight channel multiplex mode for FM repeaters
C	A wideband FM voice mode
D	A digital mode capable of low signal-to-noise operation

34. - T9A10

In which direction does a half-wave dipole antenna radiate the strongest signal?

Select	Answer
A	Broadside to the antenna
B	Off the ends of the antenna
C	Equally in all directions
D	In the direction of the feed line

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