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 prevent power supply ripple from damaging a component
B	To remove power in case of overload
C	All these choices are correct
D	To limit current to prevent shocks

2. - T0B08

Which is a proper grounding method for a tower?

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

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	By calculation based on computer modeling
B	All these choices are correct
C	By calculation based on FCC OET Bulletin 65
D	By measurement of field strength using calibrated equipment

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	The FCC Office of Spectrum Management and Coordination Policy
B	The local chapter of the Office of National Council of Independent Frequency Coordinators
C	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
D	FCC Regional Field Office

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	28.50 MHz
B	222.15 MHz
C	49.00 MHz
D	52.525 MHz

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

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

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Using a computer or other device to send CW automatically
B	Repeater operation
C	Using a computer or other device to identify automatically
D	Controlling a station over the internet

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

Select	Answer
A	Any language recognized by the United Nations
B	English
C	Any language recognized by the ITU
D	English, French, or Spanish

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

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

Select	Answer
A	Must match the repeater color code for access
B	Identifies the codec used
C	Defines the frequency pair to use
D	Defines the minimum signal level required for access

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	A box on the message form that indicates that the message was received and/or relayed
B	A list of stations that have relayed the message
C	The number of words or word equivalents in the text portion of the message
D	The call sign of the originating station

13. - T3A08

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

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

14. - T3B03

What are the two components of a radio wave?

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

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From dawn to shortly after sunset during periods of low sunspot activity
B	From dawn to shortly after sunset during periods of high sunspot activity
C	From shortly after sunset to dawn during periods of low sunspot activity
D	From shortly after sunset to dawn during periods of high sunspot activity

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 a computer connected to the FT8converter.com website
C	To a computer running a terminal program and connected to a terminal node controller unit
D	To the audio input and output of a computer running WSJT-X software

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Increases the number of frequencies that can be stored in memory
B	Increases the amount of offset between receive and transmit frequencies
C	Permits noise or interference reduction by selecting a bandwidth matching the mode
D	Permits monitoring several modes at once by selecting a separate filter for each mode

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Mercury
B	Glass
C	Aluminum
D	Copper

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	1 microfarad
B	0.001 microfarads
C	1,000,000,000 microfarads
D	1000 microfarads

20. - T5C08

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

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

21. - T5D14

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

Select	Answer
A	Branch
B	Parallel
C	Resonant
D	Series

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Inductor
B	Capacitor
C	Diode
D	Varistor

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With the letter K
B	With the letter C
C	With a stripe
D	With the word "cathode"

24. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable transformer
B	Variable resistor
C	Variable inductor
D	Variable capacitor

25. - T6D05

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

Select	Answer
A	Regulator
B	Filter
C	Phase inverter
D	Oscillator

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Select	Answer
A	Reduce the received signal noise
B	Set the amplifier for proper operation in the selected mode
C	Change the frequency range of the amplifier to operate in the proper segment of the band
D	Change the mode of the transmitted signal

27. - T7B11

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

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

28. - T7C08

Which instrument can be used to determine SWR?

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

29. - T7D11

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

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

30. - T8A12

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

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

31. - T8B11

Who may receive telemetry from a space station?

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

32. - T8C05

What is a grid locator?

Select	Answer
A	An instrument for radio direction finding
B	A letter-number designator assigned to an azimuth and elevation
C	A letter-number designator assigned to a geographic location
D	An instrument for neutralizing a final amplifier

33. - T8D01

Which of the following is a digital communications mode?

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

34. - T9A11

What is antenna gain?

Select	Answer
A	The additional power that is required in the antenna when transmitting on a higher frequency
B	The increase in signal strength in a specified direction compared to a reference antenna
C	The additional power that is added to the transmitter power
D	The increase in impedance on receive or transmit compared to a reference antenna

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	All these choices are correct
B	Reduced signal loss
C	Less antenna wear
D	Reduced television interference

Figure T-2