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. - T0A04

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

Select	Answer
A	To remove power in case of overload
B	All these choices are correct
C	To limit current to prevent shocks
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 will not work properly because of induced voltages
B	All these choices are correct
C	The 60 Hz radiations from the feed line may increase the SWR
D	The antenna could contact high-voltage power lines

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

Select	Answer
A	Frequency and power level of the RF field
B	Distance from the antenna to a person
C	All these choices are correct
D	Radiation pattern of the antenna

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Select	Answer
A	All these choices are correct
B	Homeland Security
C	The FCC
D	FEMA

5. - T1B06

On which HF bands does a Technician class operator have phone privileges?

Select	Answer
A	80 meter, 40 meter, 15 meter, and 10 meter bands
B	30 meter band only
C	10 meter band only
D	None

6. - T1C08

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

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

7. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
B	Never
C	When no profit is made on the sale
D	When selling amateur radio equipment and not on a regular basis

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	Controlling a model aircraft, boat, or car by amateur radio
B	Operating the station over the internet
C	All these choices are correct
D	Repeater operation

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least once during each transmission
B	At least every 15 minutes during and at the end of a communication
C	At least every 10 minutes during and at the end of a communication
D	At the beginning of each contact, and every 10 minutes thereafter

10. - T2A12

What should you do before calling CQ?

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

11. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

Select	Answer
A	DTMF
B	CTCSS
C	Tone burst
D	Carrier squelch

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	Making decisions as to whether messages are worthy of relay or delivery
B	Ensuring that any newsworthy messages are relayed to the news media
C	Passing messages exactly as received
D	All these choices are correct

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

Select	Answer
A	Random combining of signals arriving via different paths
B	Frequency shift due to Faraday rotation
C	Interference from thunderstorms
D	Intermodulation distortion

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Electric and magnetic fields
B	Impedance and reactance
C	Voltage and current
D	Ionizing and non-ionizing radiation

15. - T3C11

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

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

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	RTTY encoding and decoding without a computer
B	High-speed digital communications for meteor scatter
C	Communication using digital voice or data systems via the internet
D	FT8 digital communications via AFSK

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	Tunes through a range of frequencies to check for activity
C	Prevents interference to nearby repeaters
D	Checks incoming signal deviation

18. - T5A11

What type of current flow is opposed by resistance?

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

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	15,000 milliamperes
B	1500 milliamperes
C	150 milliamperes
D	15 milliamperes

20. - T5C05

What is the unit of impedance?

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

21. - T5D04

What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

Select	Answer
A	30 ohms
B	3 ohms
C	93 ohms
D	270 ohms

22. - T6A11

Which of the following battery chemistries is not rechargeable?

Select	Answer
A	Lead-acid
B	Carbon-zinc
C	Lithium-ion
D	Nickel-cadmium

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Resistor
B	Transistor
C	Reactor
D	Transformer

24. - T6C12

Which of the following is accurately represented in electrical schematics?

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

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Give off light when current flows through it
B	Supply electrical energy
C	Control the flow of current
D	Convert electrical energy into radio waves

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

Select	Answer
A	Low-pass filter
B	Phase modulator
C	Reactance modulator
D	Oscillator

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. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To improve the efficiency of an antenna
B	To prevent over-modulation of a transmitter
C	To prevent transmitting signals over the air when making tests
D	To improve the signal-to-noise ratio of a receiver

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	About 150 kHz
B	Less than 500 Hz
C	Between 50 and 125 kHz
D	Between 10 and 15 kHz

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	A licensed radio amateur who has registered for an access code from AMSAT
B	Anyone
C	A licensed radio amateur with a transmitter equipped for interrogating the satellite
D	A licensed radio amateur who has been certified by the protocol developer

32. - T8C04

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

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

33. - T8D04

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

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

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

Select	Answer
A	All these choices are correct
B	The bandwidth of the antenna will decrease, increasing SWR
C	The SWR might decrease, decreasing the signal strength
D	Signal strength is reduced due to the shielding effect of the vehicle

35. - T9B10

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

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

Figure T-1