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

2. - T0B07

Which of the following is an important safety rule to remember when using a crank-up tower?

Select	Answer
A	This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
B	All these choices are correct
C	This type of tower must never be painted
D	This type of tower must never be grounded

3. - T0C01

What type of radiation are radio signals?

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

4. - T1A11

When is willful interference to other amateur radio stations permitted?

Select	Answer
A	To stop another amateur station that is breaking the FCC rules
B	At no time
C	At any time, stations in the Amateur Radio Service are not protected from willful interference
D	When making short test transmissions

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.050 MHz to 28.150 MHz
B	28.300 MHz to 28.500 MHz
C	28.500 MHz to 28.600 MHz
D	28.100 MHz to 28.300 MHz

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to obtain FCC type acceptance prior to using a home-built transmitter
B	Failure to provide and maintain a correct email address with the FCC
C	Failure to have a copy of your license available at your station
D	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation

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	Broadcasting
C	Telecommand or transmissions of telemetry
D	In all circumstances

8. - T1E01

When may an amateur station transmit without a control operator?

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

9. - T1F08

What is the definition of third party communications?

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

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit the other station’s call sign followed by your call sign
B	Transmit "CQ" followed by the other station’s call sign
C	Transmit your call sign followed by the other station’s call sign
D	Transmit a signal report followed by your call sign

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QRN
B	QRM
C	QTH
D	QSB

12. - T2C01

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

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

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	No significant changes will occur if the signals are transmitted using FM
B	Error rates are likely to increase
C	Transmission rates must be increased by a factor equal to the number of separate paths observed
D	Transmission rates must be decreased by a factor equal to the number of separate paths observed

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	300 to 3000 MHz
B	300 to 3000 kHz
C	30 to 300 MHz
D	3 to 30 MHz

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Doppler shift
B	Quantum tunneling
C	Knife-edge diffraction
D	Faraday rotation

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To minimize voltage drop when transmitting
B	To provide a good counterpoise for the antenna
C	To avoid RF interference
D	All these choices are correct

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

Select	Answer
A	The keypad or VFO knob
B	The Automatic Frequency Control
C	All these choices are correct
D	The CTCSS or DTMF encoder

18. - T5A09

Which of the following describes alternating current?

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

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	18 dB
B	12 dB
C	10 dB
D	28 dB

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

Select	Answer
A	23.8 watts
B	3.8 watts
C	138 watts
D	0.7 watts

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

Select	Answer
A	8 ohms
B	13.5 ohms
C	18 ohms
D	0.125 ohms

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Single-pole double-throw
B	Double-pole double-throw
C	Single-pole single-throw
D	Double-pole single-throw

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Varistor
B	Tesla-effect
C	Field-effect
D	Bipolar junction

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Resistor
B	Ground symbol
C	Battery
D	Transistor

25. - T6D07

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

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

26. - T7A04

Which term describes the ability of a receiver to discriminate between multiple signals?

Select	Answer
A	Selectivity
B	Discrimination ratio
C	Sensitivity
D	Harmonic distortion

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	Your transmitter is slightly off frequency
B	Your batteries are running low
C	You are in a bad location
D	All these choices are correct

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. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

Select	Answer
A	PSK
B	FM or PM
C	AM
D	SSB

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	A mode where the satellite receives signals on one band and transmits on another
B	An observed change in signal frequency caused by relative motion between the satellite and Earth station
C	A special digital communications mode for some satellites
D	A change in the satellite orbit

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. - T8D09

What is CW?

Select	Answer
A	A type of electromagnetic propagation
B	Another name for a Morse code transmission
C	A technique for coil winding
D	A digital mode used primarily on 2 meter FM

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	It has low efficiency
B	All these choices are correct
C	It is mechanically fragile
D	It transmits only circularly polarized signals

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are commonly used at HF and VHF frequencies
B	They are a bayonet-type connector
C	They are preferred for microwave operation
D	They are watertight

Figure T-2

Figure T-1