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

2. - T0B06

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

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

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	All these choices are correct
B	Relocate the transmitter
C	Increase the duty cycle
D	Relocate antennas

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

5. - T1B04

Which amateur band includes 146.52 MHz?

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

6. - T1C01

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

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

7. - T1D10

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

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

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 station licensee
D	The person operating the station equipment

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	At the end of each communication and every ten minutes during a communication
B	Never, the tactical call is sufficient
C	Once during every hour
D	At the end of every transmission

10. - T2A04

What is an appropriate way to call another station on a repeater if you know the other station's call sign?

Select	Answer
A	Say "break, break," then say the station's call sign
B	Say the station's call sign, then identify with your call sign
C	Wait for the station to call CQ, then answer
D	Say "CQ" three times, then the other station's call sign

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	Your transmit power is too high
B	You are talking too loudly
C	You need to talk louder
D	Your repeater offset is inverted

12. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	The address of the intended recipient
B	Information needed to track the message
C	The email address of the originating station
D	The telephone number of the addressee

13. - T3A12

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

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

14. - T3B04

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

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

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	They are too weak to go very far
B	UHF signals are absorbed by the ionospheric D region
C	FCC regulations prohibit them from going more than 50 miles
D	UHF signals are usually not propagated by the ionosphere

16. - T4A04

How are the transceiver audio input and output connected in a station configured to operate using FT8?

Select	Answer
A	To an FT8 conversion unit, a keyboard, and a computer monitor
B	To the audio input and output of a computer running WSJT-X software
C	To a computer running a terminal program and connected to a terminal node controller unit
D	To a computer connected to the FT8converter.com website

17. - T4B03

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

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

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	RF current
B	All these choices are correct
C	Direct current
D	Alternating current

19. - T5B13

Which is equal to 2425 MHz?

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

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

Select	Answer
A	0.208 watts
B	14.5 watts
C	4.8 watts
D	30 watts

21. - T5D07

What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

Select	Answer
A	1.5 amperes
B	9600 amperes
C	200 amperes
D	0.667 amperes

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Thyratron
B	All these choices are correct
C	Fuse
D	Varactor

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Bipolar junction
B	Tesla-effect
C	Varistor
D	Field-effect

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Resistor
B	Connector
C	Transistor
D	Indicator lamp

25. - T6D05

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

Select	Answer
A	Regulator
B	Phase inverter
C	Filter
D	Oscillator

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Phase converter
B	High-pass filter
C	Low-pass filter
D	Transverter

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	Excessive SWR at the antenna connection
B	The transmitter will not stay on the desired frequency
C	Reports of garbled, distorted, or unintelligible voice transmissions
D	Frequent blowing of power supply fuses

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet light can damage the jacket and allow water to enter the cable
B	Ultraviolet light can increase losses in the cable’s jacket
C	Ultraviolet and RF signals can mix, causing interference
D	Ultraviolet resistant jackets prevent harmonic radiation

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A08

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

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

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	A mode where the satellite receives signals on one band and transmits on another
B	A change in the satellite orbit
C	A special digital communications mode for some satellites
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	Contesting
C	Net operations
D	Simulated emergency exercises

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

Select	Answer
A	A Normal Transmission mode in Static Circuit
B	An analog fast-scan color TV signal
C	A frame compression scheme for TV signals
D	A special mode for satellite uplink

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It eliminates distortion caused by reflected signals
B	It radiates at a very high angle
C	It has more gain than a 1/4-wavelength antenna
D	It has 10 times the power gain of a 1/4 wavelength whip

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The loss decreases
B	The characteristic impedance decreases
C	The characteristic impedance increases
D	The loss increases

Figure T-1