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. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

Select	Answer
A	At the ac power service panel
B	On a grounded panel near where feed lines enter the building
C	At the antenna feed point
D	At the output connector of a transceiver

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 ferrite-core RF choke connected between the tower and ground
C	A connection between the tower base and a cold water pipe
D	A single four-foot ground rod, driven into the ground no more than 12 inches from the base

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	The human body absorbs more RF energy at some frequencies than at others
B	Lower frequency RF fields have more energy than higher frequency fields
C	Lower frequency RF fields do not penetrate the human body
D	Higher frequency RF fields are transient in nature

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	All these choices are correct
B	A printed copy of the certificate of successful completion of examination
C	The license appears in the FCC ULS database
D	An email notification from the NCVEC granting the license

5. - T1B03

Which frequency is in the 6 meter amateur band?

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

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	KA1X
B	All these choices are correct
C	W1XX
D	KF1XXX

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Only when transmitting certain approved digital codes
B	Only during contests
C	Never
D	Only when transmitting control commands to space stations or radio control craft

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	Only the control operator
B	Only the station licensee
C	The control operator and the station licensee
D	All licensed amateurs who are present at the operation

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	The club must be registered with the American Radio Relay League
B	The trustee must have an Amateur Extra Class operator license grant
C	All these choices are correct
D	The club must have at least four members

10. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Simplex
B	Full duplex
C	Multiplex
D	Diplex

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	CTCSS
B	GPRS
C	DTMF
D	D-STAR

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only when part of a RACES emergency plan
B	No
C	Yes, but only in situations involving the immediate safety of human life or protection of property
D	Yes, but only when part of a FEMA emergency plan

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	Intermodulation distortion
C	Interference from thunderstorms
D	Frequency shift due to Faraday rotation

14. - T3B03

What are the two components of a radio wave?

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

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Knife-edge diffraction
B	Faraday rotation
C	Quantum tunneling
D	Doppler shift

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To avoid RF interference
B	All these choices are correct
C	To provide a good counterpoise for the antenna
D	To minimize voltage drop when transmitting

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

Select	Answer
A	Enable the VOX
B	Store it in a memory channel
C	Use the scan mode to select the desired frequency
D	Enable the frequency offset

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Coulombs
B	Siemens
C	Mhos
D	Ohms

19. - T5B08

Which is equal to 1,000,000 picofarads?

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

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	MH
B	mh
C	MHz
D	Mhz

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	16 ohms
B	8 ohms
C	48 ohms
D	3 ohms

22. - T6A06

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

Select	Answer
A	Capacitor
B	Varistor
C	Inductor
D	Diode

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Inductively-coupled RF signal
B	Forward current
C	Reverse current
D	Capacitively-coupled RF signal

24. - T6C12

Which of the following is accurately represented in electrical schematics?

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

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	A linear voltage regulator
B	A circuit designed to provide high-fidelity audio
C	An inductor and a capacitor in series or parallel
D	A resistor circuit used for reducing standing wave ratio

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Selectivity
B	Total Harmonic Distortion
C	Linearity
D	Sensitivity

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
B	Work with your neighbor to identify the offending device
C	Make sure your station meets the standards of good amateur practice
D	All these choices are correct

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	50:50
B	1:1
C	Full Scale
D	Zero

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Increasing resistance with time
B	Steady full-scale reading
C	Decreasing resistance with time
D	Alternating between open and short circuit

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	1000 Hz
B	150 Hz
C	2.4 kHz
D	15 kHz

31. - T8B05

What is a satellite beacon?

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

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. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing voice over internet connection between repeaters
B	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
C	Providing information on the number of stations signed into a repeater
D	Showing automatically the number of packets transmitted via PACTOR during a specific time interval

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

Select	Answer
A	A travelling-wave antenna
B	A horizontally polarized antenna
C	A vertically polarized antenna
D	A ground-wave antenna

35. - T9B10

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

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