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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Half-wave rectification
B	Overheating or out-gassing
C	Excess output ripple
D	Inverse memory effect

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	The antenna will not work properly because of induced voltages
B	The antenna could contact high-voltage power lines
C	The 60 Hz radiations from the feed line may increase the SWR
D	All these choices are correct

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	By calculation based on FCC OET Bulletin 65
B	By calculation based on computer modeling
C	All these choices are correct
D	By measurement of field strength using calibrated equipment

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Providing personal radio communications for as many citizens as possible
B	Advancing skills in the technical and communication phases of the radio art
C	All these choices are correct
D	Providing communications for international non-profit organizations

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	70 centimeters
B	6 meters
C	20 meters
D	2 meters

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 any vessel or craft located in international waters and documented or registered in the United States
D	From within any country that is a member of the United Nations

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Transmission of messages directed only to amateur operators
B	Any transmission made by the licensed station
C	Two-way transmissions by amateur stations
D	Transmissions intended for reception by the general public

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 station licensee is away and another licensed amateur is using the station
C	Never
D	When the transmitting station is an auxiliary station

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time ten days after notification by the FCC of such an inspection
B	Only when presented with a valid warrant by an FCC official or government agent
C	At any time upon request by an FCC representative
D	At any time after written notification by the FCC of such inspection

10. - T2A01

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

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

11. - T2B01

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

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

12. - T2C04

What is RACES?

Select	Answer
A	An FCC part 97 amateur radio service for civil defense communications during national emergencies
B	A radio contest held in a short period, sometimes called a “sprint”
C	An emergency organization combining amateur radio and citizens band operators and frequencies
D	An international radio experimentation society

13. - T3A10

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

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

14. - T3B03

What are the two components of a radio wave?

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

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	Tropospheric ducting
B	Faraday rotation
C	D region refraction
D	F2 region refraction

16. - T4A12

What is an electronic keyer?

Select	Answer
A	A device that assists in manual sending of Morse code
B	An interlock to prevent unauthorized use of a radio
C	A device for voice activated switching from receive to transmit
D	A device for switching antennas from transmit to receive

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Turn up the audio level until it overcomes the squelch threshold
B	Enable squelch enhancement
C	Turn on the anti-squelch function
D	Set the squelch threshold so that receiver output audio is on all the time

18. - T5A10

Which term describes the rate at which electrical energy is used?

Select	Answer
A	Power
B	Current
C	Voltage
D	Resistance

19. - T5B13

Which is equal to 2425 MHz?

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

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	Mhz
B	mh
C	MH
D	MHz

21. - T5D04

What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

Select	Answer
A	30 ohms
B	3 ohms
C	270 ohms
D	93 ohms

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Capacitor
B	Varistor
C	Diode
D	Inductor

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Transistor
B	Alternator
C	Pentagrid converter
D	Triode

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Transistor
B	Connector
C	Resistor
D	Battery

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Integrated circuit
B	Multi-pole relay
C	Transducer
D	Transformer

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Mixer
B	Inverter
C	Phase splitter
D	Amplifier

27. - T7B02

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

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

28. - T7C02

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

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

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	SSB
B	DRM
C	PM
D	FM

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Doppler shift of the received signal
B	Rotation of the satellite and its antennas
C	Interfering signals within the satellite uplink band
D	Circular polarized noise interference radiated from the sun

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

33. - T8D07

Which of the following describes DMR?

Select	Answer
A	An automatic position tracking mode for FM mobiles communicating through repeaters
B	A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
C	An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
D	A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction

34. - T9A02

Which of the following describes a type of antenna loading?

Select	Answer
A	Strengthening the radiating elements of a beam antenna to better resist wind damage
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	Installing a spring in the base of a mobile vertical antenna to make it more flexible

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It can handle more power than any other type of feed line
B	It is easy to use and requires few special installation considerations
C	It is less expensive than any other type of feed line
D	It has less loss than any other type of feed line

Figure T-1