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

2. - T0B05

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

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

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The difference between the PEP and average power output of a transmitter
B	The difference between the lowest power output and the highest power output of a transmitter
C	The percentage of time that a transmitter is not transmitting
D	The percentage of time that a transmitter is transmitting

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
B	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
C	A government transmitter marking the amateur radio band edges
D	A bulletin sent by the FCC to announce a national emergency

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	100 watts
C	1500 watts
D	500 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	Revocation of access to the license record in the FCC system
D	Fine and suspension of operator license

7. - T1D02

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

Select	Answer
A	Telecommand or transmissions of telemetry
B	Broadcasting
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 station licensee
D	The third party participant

9. - T1F05

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

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

10. - T2A12

What should you do before calling CQ?

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

11. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

Select	Answer
A	DTMF
B	Carrier squelch
C	CTCSS
D	Tone burst

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 when part of a FEMA emergency plan
B	Yes, but only in situations involving the immediate safety of human life or protection of property
C	No
D	Yes, but only when part of a RACES emergency plan

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Knife-edge diffraction
B	Amplification
C	Polarization rotation
D	Absorption

14. - T3B09

What frequency range is referred to as UHF?

Select	Answer
A	30 to 300 kHz
B	300 to 3000 MHz
C	30 to 300 MHz
D	300 to 3000 kHz

15. - T3C07

What band is best suited for communicating via meteor scatter?

Select	Answer
A	70 centimeters
B	33 centimeters
C	6 meters
D	2 meters

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	NMEA GPS location and DC power
B	Antenna and RF power
C	Receive and transmit mode, status, and location
D	Receive audio, transmit audio, and transmitter keying

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

18. - T5A09

Which of the following describes alternating current?

Select	Answer
A	Current that alternates between positive and negative directions
B	All these answers are correct
C	Current that alternates between a negative direction and zero
D	Current that alternates between a positive direction and zero

19. - T5B13

Which is equal to 2425 MHz?

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

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The coulomb
B	The ohm
C	The volt
D	The ampere

21. - T5D03

What formula is used to calculate resistance in a circuit?

Select	Answer
A	R = E / I
B	R = E + I
C	R = E x I
D	R = E - I

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	A single circuit is 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	Two circuits are opened or closed

23. - T6B01

Which is true about forward voltage drop in a diode?

Select	Answer
A	It indicates that the diode is defective
B	It is proportional to peak inverse voltage
C	It has no impact on the voltage delivered to the load
D	It is lower in some diode types than in others

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Resistor
B	Capacitor
C	Regulator IC
D	Transistor

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To couple the wire to other signals
B	To increase the current carrying capability of the wire
C	To decrease the resistance of DC power connections
D	To prevent coupling of unwanted signals to or from the wire

26. - T7A08

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

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

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	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
B	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
C	All these choices are correct
D	Immediately turn off your transmitter and contact the nearest FCC office for assistance

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Loss of -4 dB
B	Good impedance match
C	Gain of +4 dB
D	Impedance mismatch

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

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	SSB signals are easier to tune in correctly
B	SSB signals are less susceptible to interference
C	SSB signals have narrower bandwidth
D	All these choices are correct

31. - T8B10

What is a LEO satellite?

Select	Answer
A	A sun synchronous satellite
B	A satellite in low earth orbit
C	A highly elliptical orbit satellite
D	A satellite in low energy operation mode

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A system for providing access to websites via amateur radio
B	A technique for measuring signal strength of an amateur transmitter via the internet
C	A system for informing amateurs in real time of the frequency of active DX stations
D	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
B	An internet linking protocol used to network repeaters
C	A wide-bandwidth digital voice mode employing DMR protocols
D	A satellite communications network using modified commercial satellite TV hardware

34. - T9A02

Which of the following describes a type of antenna loading?

Select	Answer
A	Installing a spring in the base of a mobile vertical antenna to make it more flexible
B	Electrically lengthening by inserting inductors in radiating elements
C	Inserting a resistor in the radiating portion of the antenna to make it resonant
D	Strengthening the radiating elements of a beam antenna to better resist wind damage

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Overload from a strong local station
B	Local thunderstorm
C	Over-modulation
D	Loose connection in the antenna or feed line

Figure T-2