US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Anonymous User

US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Logging in (or registering) will help the system to select questions that you need to focus on.

1. - T0A04

What is the purpose of a fuse in an electrical circuit?

Select	Answer
A	All these choices are correct
B	To limit current to prevent shocks
C	To remove power in case of overload
D	To prevent power supply ripple from damaging a component

2. - T0B09

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

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

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

Select	Answer
A	1296 MHz
B	50 MHz
C	3.5 MHz
D	440 MHz

4. - T1A06

What is the FCC Part 97 definition of a beacon?

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

5. - T1B01

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

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

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Eight years
B	Five years
C	Life
D	Ten years

7. - T1D07

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

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

8. - T1E06

When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

Select	Answer
A	As part of a multi-operator contest team
B	When using a club station whose trustee holds an Amateur Extra Class license
C	At no time
D	When designated as the control operator by an Amateur Extra Class licensee

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	The person must be a U.S. citizen
B	The licensed control operator must do the station identification
C	All these choices are correct
D	The foreign station must be in a country with which the U.S. has a third party agreement

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit a signal report 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 the other station’s call sign followed by your call sign

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	D-STAR
B	GPRS
C	DTMF
D	CTCSS

12. - T2C04

What is RACES?

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

13. - T3A02

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

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

14. - T3B10

What frequency range is referred to as HF?

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

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio waves are blocked by dust particles
B	Radio waves are not blocked by dust particles
C	Radio signals move somewhat faster than the speed of light
D	The atmosphere refracts radio waves slightly

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	In parallel with the push-to-talk line and the antenna
B	At the power supply output
C	In the power supply cable, as close as possible to the radio
D	In the feed line, between the transmitter and antenna

17. - T4B12

What is the result of tuning an FM receiver above or below a signal’s frequency?

Select	Answer
A	Distortion of the signal’s audio
B	Generation of a heterodyne tone
C	Sideband inversion
D	Change in audio pitch

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Mercury
B	Glass
C	Copper
D	Aluminum

19. - T5B03

Which is equal to one kilovolt?

Select	Answer
A	One one-thousandth of a volt
B	One million volts
C	One hundred volts
D	One thousand volts

20. - T5C11

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

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

21. - T5D08

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

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

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	Varactor
D	Thyratron

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Forward current
B	Inductively-coupled RF signal
C	Reverse current
D	Capacitively-coupled RF signal

24. - T6C01

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

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

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Transistor
B	Relay
C	Meter
D	Potentiometer

26. - T7A07

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

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

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Ferrite choke
B	Low-pass filter
C	Preamplifier
D	Band-pass filter

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Ohmmeter
B	Voltmeter
C	Iambic pentameter
D	Directional wattmeter

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Failing to connect one of the probes to ground
B	Attempting to measure resistance using the voltage setting
C	Not allowing it to warm up properly
D	Attempting to measure voltage when using the resistance setting

30. - T8A07

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

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

31. - T8B06

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

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

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	DMR
B	D-STAR
C	IRLP
D	EchoLink

33. - T8D11

What is an ARQ transmission system?

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

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	12
B	19
C	50
D	112

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	DB-25
B	Type N
C	UHF (PL-259/SO-239)
D	RS-213