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. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

Select	Answer
A	In series with the hot and neutral conductors
B	In parallel with the hot and neutral conductors
C	In series with the hot conductor only
D	In parallel with the hot conductor only

2. - T0B08

Which is a proper grounding method for a tower?

Select	Answer
A	Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
B	A connection between the tower base and a cold water pipe
C	A ferrite-core RF choke connected between the tower and ground
D	A single four-foot ground rod, driven into the ground no more than 12 inches from the base

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By making sure your antennas have low SWR
B	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
C	By informing the FCC of any changes made in your station
D	All these choices are correct

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	A radio service using amateur stations for emergency management or civil defense communications
B	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
C	All these choices are correct
D	A radio service using amateur frequencies for emergency management or civil defense communications

5. - T1B04

Which amateur band includes 146.52 MHz?

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

6. - T1C01

For which license classes are new licenses currently available from the FCC?

Select	Answer
A	Novice, Technician Plus, General, Advanced
B	Novice, Technician, General, Amateur Extra
C	Technician, Technician Plus, General, Amateur Extra
D	Technician, General, Amateur Extra

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	Telecommand or transmissions of telemetry
B	Broadcasting
C	In all circumstances
D	International Morse Code Practice

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	A control operator is required at all times
B	The control operator must be at the control point
C	The control operator must indirectly manipulate the controls
D	All these choices are correct

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Message forwarding station
B	Repeater station
C	Earth station
D	Beacon station

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 the other station’s call sign followed by your call sign
C	Transmit "CQ" followed by the other station’s call sign
D	Transmit your call sign followed by the other station’s call sign

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Eliminate parasitic oscillations in an RF amplifier
B	Mute the receiver audio when a signal is not present
C	Reduce interference from impulse noise
D	Reduce a CW transmitter's key clicks

12. - T2C03

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

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

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	FM voice is unusable
B	Both the transmitting and receiving antennas must be of the same polarization
C	Either vertically or horizontally polarized antennas may be used for transmission or reception
D	Digital modes are unusable

14. - T3B04

What is the velocity of a radio wave traveling through free space?

Select	Answer
A	Speed that increases as the frequency increases
B	Speed of sound
C	Speed inversely proportional to its wavelength
D	Speed of light

15. - T3C07

What band is best suited for communicating via meteor scatter?

Select	Answer
A	2 meters
B	33 centimeters
C	6 meters
D	70 centimeters

16. - T4A09

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

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

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	All these choices are correct
B	Increased SWR
C	Distorted transmitted audio
D	Frequency instability

18. - T5A10

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

Select	Answer
A	Current
B	Power
C	Resistance
D	Voltage

19. - T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

Select	Answer
A	10 dB
B	3 dB
C	5 dB
D	2 dB

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The coulomb
B	The volt
C	The ohm
D	The ampere

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Resonant
B	Branch
C	Series
D	Parallel

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Capacitance
B	Inductance
C	Resistance
D	Field strength

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Driven element
B	Diode
C	Resistor
D	Fuse

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	Wire lengths
B	Physical appearance of components
C	Component connections
D	All these choices are correct

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Oscillator
B	Filter
C	Regulator
D	Phase inverter

26. - T7A03

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

Select	Answer
A	Amplifier
B	Inverter
C	Mixer
D	Phase splitter

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	Band-pass filter
C	Low-pass filter
D	Preamplifier

28. - T7C02

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

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

29. - T7D11

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

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

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Inverted sideband
B	Upper sideband
C	Lower sideband
D	Suppressed sideband

31. - T8B09

What causes spin fading of satellite signals?

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

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	Sign only the last two letters of your call if there are many other stations calling
B	Contact the station twice to be sure that you are in his log
C	All these choices are correct
D	Send only the minimum information needed for proper identification and the contest exchange

33. - T8D01

Which of the following is a digital communications mode?

Select	Answer
A	IEEE 802.11
B	FT8
C	All these choices are correct
D	Packet radio

34. - T9A08

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

Select	Answer
A	50
B	12
C	112
D	19

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-58 cable has two shields
B	RG-213 cable has less loss at a given frequency
C	There is no significant difference between the two types
D	RG-58 cable can handle higher power levels