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

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	All these choices are correct
B	Make sure all ground wire bends are right angles
C	Put a drip loop in the ground connection to prevent water damage to the ground system
D	Ensure that connections are short and direct

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	It increases by a factor of 3
B	It decreases by 50 percent
C	It increases by a factor of 2
D	There is no adjustment allowed for lower duty cycle

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	FCC Regional Field Office
B	International Telecommunication Union
C	Volunteer Frequency Coordinator recognized by local amateurs
D	Frequency Spectrum Manager appointed by the FCC

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	1500 watts
B	100 watts
C	500 watts
D	50 watts

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
B	Communications incidental to conducting business or remarks of a personal nature
C	Only communications incidental to contest exchanges; all other communications are prohibited
D	Any communications that would be permitted by an international broadcast station

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	International Morse Code Practice
B	Broadcasting
C	Telecommand or transmissions of telemetry
D	In all circumstances

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	When the station licensee is away and another licensed amateur is using the station
B	Never
C	When using automatic control, such as in the case of a repeater
D	When the transmitting station is an auxiliary station

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

Select	Answer
A	All these choices are correct
B	KL7CC slash W3
C	KL7CC slant W3
D	KL7CC stroke W3

10. - T2A07

What is meant by "repeater offset”?

Select	Answer
A	The difference between a repeater’s transmit and receive frequencies
B	The number of simultaneous transmit frequencies used by a repeater
C	The repeater has a time delay to prevent interference
D	The repeater station identification is done on a separate frequency

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To reduce power output
B	To listen on a repeater’s output frequency
C	To increase power output
D	To listen on a repeater’s input frequency

12. - T2C04

What is RACES?

Select	Answer
A	An FCC part 97 amateur radio service for civil defense communications during national emergencies
B	An emergency organization combining amateur radio and citizens band operators and frequencies
C	A radio contest held in a short period, sometimes called a “sprint”
D	An international radio experimentation society

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The troposphere
B	The ionosphere
C	The stratosphere
D	The mesosphere

14. - T3B06

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

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

15. - T3C02

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

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

16. - T4A03

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

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

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	Your call sign
B	All these choices are correct
C	The codec type being used
D	Your output power

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Inductance
B	Ampere-hours
C	Voltage
D	Capacitance

19. - T5B01

How many milliamperes is 1.5 amperes?

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

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	MHz
B	mh
C	MH
D	Mhz

21. - T5D01

What formula is used to calculate current in a circuit?

Select	Answer
A	I = E  R
B	I = E - R
C	I = E / R
D	I = E + R

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Fuse
B	Varactor
C	All these choices are correct
D	Thyratron

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Thermistor
B	Varistor
C	Potentiometer
D	Transistor

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Double-pole switch
B	Transformer
C	Variable inductor
D	Potentiometer

25. - T6D02

What is a relay?

Select	Answer
A	An inverting amplifier
B	A current controlled amplifier
C	An electrically-controlled switch
D	A pass transistor

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	Change the mode of the transmitted signal
D	Reduce the received signal noise

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Preamplifier
B	Low-pass filter
C	Ferrite choke
D	Band-pass filter

28. - T7C08

Which instrument can be used to determine SWR?

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

29. - T7D03

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

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

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Inverted sideband
B	Suppressed sideband
C	Lower sideband
D	Upper sideband

31. - T8B05

What is a satellite beacon?

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

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	All these choices are correct
D	Purchase a license to use the EchoLink software

33. - T8D04

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

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

34. - T9A03

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

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

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It is less expensive than any other type of feed line
B	It can handle more power than any other type of feed line
C	It is easy to use and requires few special installation considerations
D	It has less loss than any other type of feed line

Figure T-2