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

2. - T0B02

What is required when climbing an antenna tower?

Select	Answer
A	All these choices are correct
B	Use appropriate tie-off to the tower at all times
C	Have sufficient training on safe tower climbing techniques
D	Always wear an approved climbing harness

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
B	RF radiation can only be detected with an RF dosimeter
C	RF radiation is perfectly safe
D	RF radiation is limited in range to a few feet

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	It is required when transmitting emergency messages
B	It is required when in contact with foreign stations
C	It is encouraged
D	All these choices are correct

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	49.00 MHz
B	222.15 MHz
C	28.50 MHz
D	52.525 MHz

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Communications incidental to conducting business or remarks of a personal nature
B	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
C	Any communications that would be permitted by an international broadcast station
D	Only communications incidental to contest exchanges; all other communications are prohibited

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	There is no such prohibition
B	Any such language is prohibited
C	The ITU maintains a list of words that are not permitted to be used on amateur frequencies
D	The FCC maintains a list of words that are not permitted to be used on amateur frequencies

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	Only an Amateur Extra Class operator who is also an AMSAT member
B	A General class or higher licensee with a satellite operator certification
C	Any amateur allowed to transmit on the satellite uplink frequency
D	Only an Amateur Extra Class operator

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	The club must have at least four members
B	The club must be registered with the American Radio Relay League
C	The trustee must have an Amateur Extra Class operator license grant
D	All these choices are correct

10. - T2A12

What should you do before calling CQ?

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

11. - T2B06

What type of signaling uses pairs of audio tones?

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

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	Requests to activate the net by a served agency
B	The number of stations checking in and out of a net
C	Operation by mobile or portable stations
D	Messages exchanged by net stations

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	Received signal strength is reduced
B	Signals have an echo effect
C	Nothing significant will happen
D	The modulation sidebands might become inverted

14. - T3B11

What is the approximate velocity of a radio wave in free space?

Select	Answer
A	300,000,000 miles per hour
B	300,000,000 meters per second
C	150,000 meters per second
D	150,000 miles per hour

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Sunspots and solar flares
B	Updrafts from hurricanes and tornadoes
C	Temperature inversions in the atmosphere
D	Discharges of lightning during electrical storms

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the battery ampere-hour rating by the average current draw of the equipment
B	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
C	Multiply the watts per hour consumed by the equipment by the battery power rating
D	Multiply the square of the current rating of the battery by the input resistance of the equipment

17. - T4B05

What does the scanning function of an FM transceiver do?

Select	Answer
A	Checks for messages left on a digital bulletin board
B	Prevents interference to nearby repeaters
C	Tunes through a range of frequencies to check for activity
D	Checks incoming signal deviation

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	They have relatively high density
B	They have many free protons
C	They have many free electrons
D	All these choices are correct

19. - T5B05

Which is equal to 500 milliwatts?

Select	Answer
A	5 watts
B	50 watts
C	0.5 watts
D	0.02 watts

20. - T5C11

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

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

21. - T5D03

What formula is used to calculate resistance in a circuit?

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

22. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

Select	Answer
A	Potentiometer
B	Capacitor
C	Resistor
D	Oscillator

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. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Connector
B	Transistor
C	Battery
D	Resistor

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	An inductor and a capacitor in series or parallel
B	A circuit designed to provide high-fidelity audio
C	A resistor circuit used for reducing standing wave ratio
D	A linear voltage regulator

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for matching feed line impedance to 50 ohms
B	A device for converting receiver and transmitter frequencies to another band
C	A device that combines a receiver and transmitter
D	A device for automatically sending and decoding Morse code

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Talk louder into the microphone
B	Talk farther away from the microphone
C	Change to a higher power level
D	Let the transceiver cool off

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It cannot be used at below freezing temperatures
B	It has more loss per foot
C	It cannot be used for VHF or UHF antennas
D	It requires special techniques to prevent moisture in the cable

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

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

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	All these choices are correct
D	SSB signals are easier to tune in correctly

31. - T8B07

What is Doppler shift in reference to satellite communications?

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

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Public service events
B	Net operations
C	Simulated emergency exercises
D	Contesting

33. - T8D13

What is FT8?

Select	Answer
A	A digital slow-scan TV mode with forward error correction and automatic color compensation
B	A wideband FM voice mode
C	An eight channel multiplex mode for FM repeaters
D	A digital mode capable of low signal-to-noise operation

34. - T9A09

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

Select	Answer
A	236
B	112
C	6
D	50

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	A measure of how well a load is matched to a transmission line
B	The ratio of amplifier power output to input
C	An indication of the quality of your station’s ground connection
D	The transmitter efficiency ratio

Figure T-1