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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	Excessive current could cause a fire
B	The power supply ripple would greatly increase
C	The larger fuse would be likely to blow because it is rated for higher current
D	All these choices are correct

2. - T0B06

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

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

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It affects the average exposure to radiation
B	It affects the peak exposure to radiation
C	It takes into account the thermal effects of the final amplifier
D	It takes into account the antenna feed line loss

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

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

Select	Answer
A	Only in sub-bands allocated to General class or higher licensees
B	On any band if the power is limited to 25 watts
C	In at least some segment of all these bands
D	Only on repeaters

6. - T1C10

How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

Select	Answer
A	As soon as your operator/station license grant appears in the FCC’s license database
B	As soon as your operator/station license grant appears on the ARRL website
C	As soon as you receive your license in the mail from the FCC
D	Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country banned from making such communications by the American Radio Relay League (ARRL)
B	Any country banned from such communications by the International Amateur Radio Union (IARU)
C	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
D	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications

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

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The control operator of the originating station
B	Both the originating station and the repeater owner
C	The owner of the repeater
D	The control operator of the repeater

10. - T2A12

What should you do before calling CQ?

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

11. - T2B11

Which Q signal indicates that you are changing frequency?

Select	Answer
A	QRU
B	QSL
C	QSY
D	QRZ

12. - T2C08

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

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

13. - T3A07

What weather condition might decrease range at microwave frequencies?

Select	Answer
A	Colder temperatures
B	Low barometric pressure
C	High winds
D	Precipitation

14. - T3B11

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

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

15. - T3C11

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

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

16. - T4A07

Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

Select	Answer
A	Computer “line in” to transceiver speaker connector
B	Computer “line in” to transceiver push-to-talk
C	Computer “line out” to transceiver speaker connector
D	Computer “line out” to transceiver push-to-talk

17. - T4B01

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

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

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Amperes
B	Volts
C	Watts
D	Ohms

19. - T5B02

Which is equal to 1,500,000 hertz?

Select	Answer
A	150 kHz
B	1500 MHz
C	15 GHz
D	1500 kHz

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

Select	Answer
A	P = E / I
B	P = E – I
C	P = I + E
D	P = I  E

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	0.125 ohms
B	13.5 ohms
C	18 ohms
D	8 ohms

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Field strength
B	Inductance
C	Resistance
D	Capacitance

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Pole one, pole two, output
B	Input, output, supply
C	Emitter, base, collector
D	Signal, bias, power

24. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Antenna
B	Dummy load
C	Ground
D	Transmitter

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Multi-pole relay
B	Transformer
C	Transducer
D	Integrated circuit

26. - T7A05

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

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

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

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Voltmeter
B	Iambic pentameter
C	Ohmmeter
D	Directional wattmeter

29. - T7D09

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

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

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

Select	Answer
A	All these choices are correct
B	FM signals are harder to tune
C	Only one signal can be received at a time
D	Voice quality is poorer

31. - T8B05

What is a satellite beacon?

Select	Answer
A	The primary transmit antenna on the satellite
B	An indicator light that shows where to point your antenna
C	A reflective surface on the satellite
D	A transmission from a satellite that contains status information

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	Complete the required EchoLink training
B	Register your call sign and provide proof of license
C	Purchase a license to use the EchoLink software
D	All these choices are correct

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	All these choices are correct
B	GPS position data
C	Weather data
D	Text messages

34. - T9A10

In which direction does a half-wave dipole antenna radiate the strongest signal?

Select	Answer
A	Broadside to the antenna
B	Off the ends of the antenna
C	In the direction of the feed line
D	Equally in all directions

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

Figure T-3