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. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	Use three-wire cords and plugs for all AC powered equipment
B	Install mechanical interlocks in high-voltage circuits
C	Connect all AC powered station equipment to a common safety ground
D	All these choices are correct

2. - T0B02

What is required when climbing an antenna tower?

Select	Answer
A	Use appropriate tie-off to the tower at all times
B	Always wear an approved climbing harness
C	Have sufficient training on safe tower climbing techniques
D	All these choices are correct

3. - T0C13

Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

Select	Answer
A	The local zoning board
B	The station licensee
C	The FCC
D	Anyone who is near an antenna

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

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	50 watts
B	10 watts
C	200 watts
D	100 watts

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to provide and maintain a correct email address with the FCC
B	Failure to have a copy of your license available at your station
C	Failure to obtain FCC type acceptance prior to using a home-built transmitter
D	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	Never
B	When broadcasting communications to or from the space shuttle
C	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
D	When such communications are directly related to the immediate safety of human life or protection of property

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The class of operator license held by the control operator
B	The highest class of operator license held by anyone on the premises
C	The frequencies printed on the license grant
D	The frequency authorized by the frequency coordinator

9. - T1F11

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

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

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. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A system of repeaters linked by APRS
B	Multiple repeaters with the same control operator
C	A single repeater with more than one receiver
D	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	Send the words by voice and Morse code
B	Speak very loudly into the microphone
C	Spell the words using a standard phonetic alphabet
D	All these choices are correct

13. - T3A07

What weather condition might decrease range at microwave frequencies?

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

14. - T3B11

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

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

15. - T3C09

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

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

16. - T4A08

Which of the following conductors is preferred for bonding at RF?

Select	Answer
A	Steel wire
B	Flat copper strap
C	Copper braid removed from coaxial cable
D	Twisted-pair cable

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	Your output power
D	The codec type being used

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Watts
B	Amperes
C	Volts
D	Ohms

19. - T5B07

Which is equal to 3.525 MHz?

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

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

Select	Answer
A	14.5 watts
B	0.208 watts
C	4.8 watts
D	30 watts

21. - T5D03

What formula is used to calculate resistance in a circuit?

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

22. - T6A09

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

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

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Plus and minus
B	Anode and cathode
C	Gate and base
D	Source and drain

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Transistor
B	Ground symbol
C	Battery
D	Resistor

25. - T6D09

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

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

26. - T7A01

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

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

27. - T7B11

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

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

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet light can increase losses in the cable’s jacket
B	Ultraviolet and RF signals can mix, causing interference
C	Ultraviolet resistant jackets prevent harmonic radiation
D	Ultraviolet light can damage the jacket and allow water to enter the cable

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Impedance and reactance
B	All these choices are correct
C	Signal strength and noise
D	Voltage and resistance

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Packet radio
B	Phase shift keying (PSK)
C	Spread spectrum
D	Single sideband

31. - T8B09

What causes spin fading of satellite signals?

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

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	D-STAR
B	DMR
C	IRLP
D	EchoLink

33. - T8D05

Which of the following is an application of APRS?

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

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Shortening it
B	Lengthening it
C	Inserting coils in series with radiating wires
D	Adding capacitive loading to the ends of the radiating wires

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The loss decreases
B	The characteristic impedance increases
C	The loss increases
D	The characteristic impedance decreases

Figure T-1