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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Bond them together with heavy wire or conductive strap
B	Tune them for resonance on the lowest frequency of operation
C	Keep them as far apart as possible
D	Waterproof them with silicone caulk or electrical tape

2. - T0B08

Which is a proper grounding method for a tower?

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

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By informing the FCC of any changes made in your station
B	By making sure your antennas have low SWR
C	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
D	All these choices are correct

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	The local chapter of the Office of National Council of Independent Frequency Coordinators
B	The FCC Office of Spectrum Management and Coordination Policy
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. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Fixed digital message forwarding systems only
B	Fast-scan television only
C	Spread spectrum only
D	Emergency traffic only

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. - T1D04

Under what conditions is an amateur station authorized to transmit music using a phone emission?

Select	Answer
A	When incidental to an authorized retransmission of manned spacecraft communications
B	When the music is transmitted above 1280 MHz
C	When the music produces no spurious emissions
D	When transmissions are limited to less than three minutes per hour

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	All these choices are correct
C	Operating the station over the internet
D	Repeater operation

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	The person must be a U.S. citizen
B	All these choices are correct
C	The foreign station must be in a country with which the U.S. has a third party agreement
D	The licensed control operator must do the station identification

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A plan devised by a club to indicate frequency band usage
B	A list of operating schedules
C	A list of available net frequencies
D	A voluntary guideline for using different modes or activities within an amateur band

11. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

Select	Answer
A	The stations should negotiate continued use of the frequency
B	Interference is inevitable, so no action is required
C	Use subaudible tones so both stations can share the frequency
D	Both stations should choose another frequency to avoid conflict

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

13. - T3A12

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

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

14. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

Select	Answer
A	Wavelength in meters equals frequency in hertz divided by 300
B	Wavelength in meters equals frequency in megahertz divided by 300
C	Wavelength in meters equals frequency in hertz multiplied by 300
D	Wavelength in meters equals 300 divided by frequency in megahertz

15. - T3C02

What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

Select	Answer
A	There is less atmospheric interference (static) on HF
B	HF antennas are generally smaller
C	Long-distance ionospheric propagation is far more common on HF
D	HF accommodates wider bandwidth signals

16. - T4A12

What is an electronic keyer?

Select	Answer
A	An interlock to prevent unauthorized use of a radio
B	A device for voice activated switching from receive to transmit
C	A device that assists in manual sending of Morse code
D	A device for switching antennas from transmit to receive

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

Select	Answer
A	By activating automatic identification
B	By enabling the group’s CTCSS tone
C	By retrieving the frequencies from transceiver memory
D	By entering the group’s identification code

18. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Capacitance
B	Voltage
C	Current
D	Resistance

19. - T5B07

Which is equal to 3.525 MHz?

Select	Answer
A	3,525,000 kHz
B	35.25 kHz
C	3525 kHz
D	0.003525 kHz

20. - T5C12

What is impedance?

Select	Answer
A	The opposition to AC current flow
B	The Q or Quality Factor of a component
C	The inverse of resistance
D	The power handling capability of a component

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Select	Answer
A	9 volts
B	1 volt
C	10 volts
D	11 volts

22. - T6A06

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

Select	Answer
A	Inductor
B	Diode
C	Capacitor
D	Varistor

23. - T6B12

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

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

24. - T6C08

What is component 9 in figure T-2?

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

25. - T6D05

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

Select	Answer
A	Oscillator
B	Regulator
C	Phase inverter
D	Filter

26. - T7A09

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

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

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	Spurious emissions
B	All these choices are correct
C	Harmonics
D	Fundamental overload

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

Select	Answer
A	To lower the SWR on the transmission line
B	To protect the output amplifier transistors
C	To comply with FCC rules on spectral purity
D	Because power supplies cannot supply enough current at high SWR

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

Select	Answer
A	In quadrature
B	In parallel
C	In phase
D	In series

30. - T8A11

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

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

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Interfering signals within the satellite uplink band
B	Circular polarized noise interference radiated from the sun
C	Doppler shift of the received signal
D	Rotation of the satellite and its antennas

32. - T8C05

What is a grid locator?

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

33. - T8D04

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

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

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	All these choices are correct
B	It has low efficiency
C	It transmits only circularly polarized signals
D	It is mechanically fragile

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	Multi-conductor unbalanced cable
B	75-ohm flexible coax
C	Air-insulated hardline
D	50-ohm flexible coax

Figure T-2