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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may cause injury by heating tissue
B	All these choices are correct
C	It may cause involuntary muscle contractions
D	It may disrupt the electrical functions of cells

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	Never
B	When no mechanical work is being performed
C	When the work being done is not more than 20 feet above the ground
D	When no electrical work is being performed

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	RF burn to skin
B	Electrocution
C	All these choices are correct
D	Radiation poisoning

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	One
B	No more than two
C	One for each permanent station location from which the person plans to operate
D	One for each band on which the person plans to operate

5. - T1B07

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

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

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

7. - T1D02

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

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

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The station custodian
B	The person operating the station equipment
C	The third party participant
D	The station licensee

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
B	Operation when the transmitting equipment is licensed to a person other than the control operator
C	A message from a control operator to another amateur station control operator on behalf of another person
D	Amateur radio communications where three stations are in communications with one another

10. - T2A08

What is the meaning of the procedural signal “CQ”?

Select	Answer
A	Call on the quarter hour
B	Test transmission, no reply expected
C	Only the called station should transmit
D	Calling any station

11. - T2B01

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

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

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	A list of stations that have relayed the message
B	A box on the message form that indicates that the message was received and/or relayed
C	The call sign of the originating station
D	The number of words or word equivalents in the text portion of the message

13. - T3A06

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

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

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The orientation of the magnetic field
B	The orientation of the electric field
C	The ratio of the energy in the magnetic field to the energy in 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 absorbed by the ionospheric D region
B	They are too weak to go very far
C	UHF signals are usually not propagated by the ionosphere
D	FCC regulations prohibit them from going more than 50 miles

16. - T4A04

How are the transceiver audio input and output connected in a station configured to operate using FT8?

Select	Answer
A	To the audio input and output of a computer running WSJT-X software
B	To a computer running a terminal program and connected to a terminal node controller unit
C	To an FT8 conversion unit, a keyboard, and a computer monitor
D	To a computer connected to the FT8converter.com website

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	The codec for digitizing audio
B	Your call sign in CW for automatic identification
C	The DMR software version
D	Access information for repeaters and talkgroups

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Siemens
B	Mhos
C	Coulombs
D	Ohms

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	24.25 GHz
B	0.002425 GHz
C	2.425 GHz
D	2425 GHz

20. - T5C06

What does the abbreviation “RF” mean?

Select	Answer
A	Radio frequency signals of all types
B	The resonant frequency of a tuned circuit
C	Reflective force in antenna transmission lines
D	The real frequency transmitted as opposed to the apparent frequency

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Branch
B	Parallel
C	Series
D	Resonant

22. - T6A11

Which of the following battery chemistries is not rechargeable?

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

23. - T6B02

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

Select	Answer
A	Resistor
B	Driven element
C	Diode
D	Fuse

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Connector
B	Indicator lamp
C	Resistor
D	Transistor

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Potentiometer
B	Meter
C	Relay
D	Transistor

26. - T7A07

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

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

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Select	Answer
A	Immediately turn off your transmitter and contact the nearest FCC office for assistance
B	Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
C	All these choices are correct
D	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated

28. - T7C07

What happens to power lost in a feed line?

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

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	Between 50 and 125 kHz
B	Between 10 and 15 kHz
C	Less than 500 Hz
D	About 150 kHz

31. - T8B03

Which of the following are provided by satellite tracking programs?

Select	Answer
A	The apparent frequency of the satellite transmission, including effects of Doppler shift
B	All these choices are correct
C	Maps showing the real-time position of the satellite track over Earth
D	The time, azimuth, and elevation of the start, maximum altitude, and end of a pass

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By obtaining a password that is sent via voice to the node
B	By using DTMF signals
C	By entering the proper internet password
D	By using CTCSS tone codes

33. - T8D06

What does the abbreviation "PSK" mean?

Select	Answer
A	Phased Slide Keying
B	Packet Short Keying
C	Phase Shift Keying
D	Pulse Shift Keying

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	236
B	50
C	112
D	6

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	DB-25
B	UHF (PL-259/SO-239)
C	Type N
D	RS-213

Figure T-1