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. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	All these choices are correct
B	Connect all AC powered station equipment to a common safety ground
C	Install mechanical interlocks in high-voltage circuits
D	Use three-wire cords and plugs for all AC powered equipment

2. - T0B03

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

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

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	All these choices are correct
C	By making sure your antennas have low SWR
D	By informing the FCC of any changes made in your station

4. - T1A08

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

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

5. - T1B10

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

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

6. - T1C04

What may happen if the FCC is unable to reach you by email?

Select	Answer
A	Nothing; there is no such requirement
B	Revocation of the station license or suspension of the operator license
C	Fine and suspension of operator license
D	Revocation of access to the license record in the FCC system

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Beacon, repeater, or space stations
B	Earth, repeater, or space stations
C	Repeater, auxiliary, or space stations
D	Auxiliary, beacon, or Earth stations

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 station licensee
C	The third party participant
D	The person operating the station equipment

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

Select	Answer
A	Any language recognized by the United Nations
B	English, French, or Spanish
C	Any language recognized by the ITU
D	English

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

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

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	Your transmit power is too high
B	You need to talk louder
C	Your repeater offset is inverted
D	You are talking too loudly

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	When operating under special FEMA rules
B	When operating a RACES station
C	When operating under special ARES rules
D	FCC rules always apply

13. - T3A03

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

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

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Voltage and current
B	Ionizing and non-ionizing radiation
C	Electric and magnetic fields
D	Impedance and reactance

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	Faraday rotation
B	Tropospheric ducting
C	D region refraction
D	F2 region refraction

16. - T4A04

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

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

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The tone squelch
B	The AGC or limiter
C	The RIT or Clarifier
D	The bandwidth selection

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Volts
B	Amperes
C	Watt-hours
D	Watts

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	0.3 amperes
B	0.003 amperes
C	3 amperes
D	3,000,000 amperes

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

Select	Answer
A	10 amperes
B	0.1 amperes
C	12 amperes
D	132 amperes

21. - T5D14

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

Select	Answer
A	Parallel
B	Resonant
C	Series
D	Branch

22. - T6A09

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

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

23. - T6B11

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

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

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Ground symbol
B	Lamp
C	Resistor
D	Transistor

25. - T6D07

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

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

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Select	Answer
A	Change the mode of the transmitted signal
B	Set the amplifier for proper operation in the selected mode
C	Change the frequency range of the amplifier to operate in the proper segment of the band
D	Reduce the received signal noise

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	Work with your neighbor to identify the offending device
B	All these choices are correct
C	Make sure your station meets the standards of good amateur practice
D	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

Select	Answer
A	A VTVM
B	A Q meter
C	A frequency counter
D	An antenna analyzer

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 grounded
B	Ensure that the circuit is not powered
C	Ensure that the circuit is operating at the correct frequency
D	Ensure that the applied voltages are correct

30. - T8A06

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

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

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The last observed time of zero Doppler shift
B	The satellite transmitted power
C	The Keplerian elements
D	All these choices are correct

32. - T8C02

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

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

33. - T8D11

What is an ARQ transmission system?

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

34. - T9A09

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

Select	Answer
A	6
B	112
C	50
D	236

35. - T9B04

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

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

Figure T-1