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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Bond them together with heavy wire or conductive strap
B	Waterproof them with silicone caulk or electrical tape
C	Keep them as far apart as possible
D	Tune them for resonance on the lowest frequency of operation

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Prevent loosening of the turnbuckle from vibration
B	Provide a ground path for lightning strikes
C	Provide an ability to measure for proper tensioning
D	Secure the guy line if the turnbuckle breaks

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Lower frequency RF fields have more energy than higher frequency fields
B	Lower frequency RF fields do not penetrate the human body
C	Higher frequency RF fields are transient in nature
D	The human body absorbs more RF energy at some frequencies than at others

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	Frequency Spectrum Manager appointed by the FCC
B	FCC Regional Field Office
C	Volunteer Frequency Coordinator recognized by local amateurs
D	International Telecommunication Union

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	1500 watts
C	100 watts
D	500 watts

6. - T1C05

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

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

7. - T1D04

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

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

8. - T1E09

Which of the following are required for remote control operation?

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

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The control operator of the originating station
B	The owner of the repeater
C	Both the originating station and the repeater owner
D	The control operator of the repeater

10. - T2A03

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

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

11. - T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

Select	Answer
A	Improper transceiver offset
B	You are using the wrong DCS code
C	You are using the wrong CTCSS tone
D	All these choices are correct

12. - T2C11

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

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

13. - T3A03

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

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

14. - T3B02

What property of a radio wave defines its polarization?

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

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Discharges of lightning during electrical storms
B	Sunspots and solar flares
C	Temperature inversions in the atmosphere
D	Updrafts from hurricanes and tornadoes

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	The distance that the meter will be located from the antenna
B	All these choices are correct
C	The frequency and power level at which the measurements will be made
D	The types of modulation being used at the station

17. - T4B05

What does the scanning function of an FM transceiver do?

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

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Ohms
B	Watts
C	Amperes
D	Volts

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	15,000 milliamperes
B	15 milliamperes
C	1500 milliamperes
D	150 milliamperes

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	khz
B	KHZ
C	khZ
D	kHz

21. - T5D08

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

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

22. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

Select	Answer
A	Capacitor
B	Oscillator
C	Potentiometer
D	Resistor

23. - T6B02

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

Select	Answer
A	Resistor
B	Fuse
C	Diode
D	Driven element

24. - T6C01

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

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

25. - T6D07

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

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

26. - T7A07

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

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

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The microphone gain of the transmitter is turned up too high
B	The receiver is unable to reject strong signals outside the AM or FM band
C	The deviation of an FM transmitter is set too low
D	The audio amplifier of the transmitter is overloaded

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet resistant jackets prevent harmonic radiation
B	Ultraviolet light can damage the jacket and allow water to enter the cable
C	Ultraviolet and RF signals can mix, causing interference
D	Ultraviolet light can increase losses in the cable’s jacket

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

Select	Answer
A	In phase
B	In series
C	In quadrature
D	In parallel

30. - T8A09

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

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

31. - T8B02

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

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

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

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

33. - T8D06

What does the abbreviation "PSK" mean?

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

34. - T9A09

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

Select	Answer
A	6
B	236
C	112
D	50

35. - T9B04

What is the major function of an antenna tuner (antenna coupler)?

Select	Answer
A	It helps a receiver automatically tune in weak stations
B	It matches the antenna system impedance to the transceiver's output impedance
C	It allows an antenna to be used on both transmit and receive
D	It automatically selects the proper antenna for the frequency band being used