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

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
B	Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
C	The height of the power line above ground
D	1/2 wavelength at the operating frequency

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	RF burn to skin
B	All these choices are correct
C	Radiation poisoning
D	Electrocution

4. - T1A11

When is willful interference to other amateur radio stations permitted?

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

5. - T1B04

Which amateur band includes 146.52 MHz?

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

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur with an Amateur Extra Class license
B	Only a licensed amateur who has been licensed continuously for more than 10 years
C	Only a licensed amateur with a General or Amateur Extra Class license
D	Any licensed amateur

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
B	When broadcasting communications to or from the space shuttle
C	Never
D	When such communications are directly related to the immediate safety of human life or protection of property

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 third party participant
C	The person operating the station equipment
D	The station licensee

9. - T1F11

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

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

10. - T2A12

What should you do before calling CQ?

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

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	So stations within range of each other can communicate without tying up a repeater
B	For working DX only
C	So stations with simple transmitters can access the repeater without automated offset
D	For contest operation

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	Speak very loudly into the microphone
B	Send the words by voice and Morse code
C	All these choices are correct
D	Spell the words using a standard phonetic alphabet

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	Range increase
B	Absorption
C	Deflection
D	There is little effect

14. - T3B10

What frequency range is referred to as HF?

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

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. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	The distance that the meter will be located from the antenna
B	The frequency and power level at which the measurements will be made
C	The types of modulation being used at the station
D	All these choices are correct

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 tone squelch
C	The bandwidth selection
D	The AGC or limiter

18. - T5A10

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

Select	Answer
A	Voltage
B	Resistance
C	Current
D	Power

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	28.400 MHz
B	284.00 MHz
C	28.400 kHz
D	2.800 MHz

20. - T5C04

What is the unit of inductance?

Select	Answer
A	The coulomb
B	The henry
C	The farad
D	The ohm

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	13.5 ohms
B	0.125 ohms
C	8 ohms
D	18 ohms

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Capacitor
B	Inductor
C	Varistor
D	Diode

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Source and drain
B	Gate and base
C	Plus and minus
D	Anode and cathode

24. - T6C01

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

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

25. - T6D07

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

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

26. - T7A04

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

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

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

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	50:50
B	1:1
C	Full Scale
D	Zero

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	Excessive solder
B	A rough or lumpy surface
C	A bright or shiny surface
D	Dark black spots

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	3 kHz
B	1 kHz
C	6 kHz
D	15 kHz

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

Select	Answer
A	The signal strength of received signals
B	Time of day accurate to plus or minus 1/10 second
C	All these choices are correct
D	Health and status of the satellite

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By using DTMF signals
B	By entering the proper internet password
C	By using CTCSS tone codes
D	By obtaining a password that is sent via voice to the node

33. - T8D06

What does the abbreviation "PSK" mean?

Select	Answer
A	Pulse Shift Keying
B	Phase Shift Keying
C	Phased Slide Keying
D	Packet Short Keying

34. - T9A08

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

Select	Answer
A	50
B	112
C	12
D	19

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 less expensive than any other type of feed line
C	It is easy to use and requires few special installation considerations
D	It has less loss than any other type of feed line