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. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

Select	Answer
A	In parallel with the hot and neutral conductors
B	In series with the hot conductor only
C	In parallel with the hot conductor only
D	In series with the hot and neutral conductors

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	When no mechanical work is being performed
B	Never
C	When the work being done is not more than 20 feet above the ground
D	When no electrical work is being performed

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It affects the average exposure to radiation
B	It affects the peak exposure to radiation
C	It takes into account the thermal effects of the final amplifier
D	It takes into account the antenna feed line loss

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

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

Select	Answer
A	On any band if the power is limited to 25 watts
B	Only in sub-bands allocated to General class or higher licensees
C	In at least some segment of all these bands
D	Only on repeaters

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	Yes, for up to one year
B	Yes, for up to two years
C	Yes, as soon as you apply for renewal
D	No, you must wait until the license has been renewed

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	All these choices are correct
B	When the communication is related to the sale of amateur equipment by the control operator's employer
C	When the communication is incidental to classroom instruction at an educational institution
D	When the communication is made to obtain emergency information for a local broadcast station

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

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

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least once during each transmission
B	At the beginning of each contact, and every 10 minutes thereafter
C	At least every 10 minutes during and at the end of a communication
D	At least every 15 minutes during and at the end of a communication

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

Select	Answer
A	Plus or minus 1 MHz
B	Plus or minus 500 kHz
C	Plus or minus 600 kHz
D	Plus or minus 5 MHz

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

Select	Answer
A	Join the repeater owner’s club
B	Sign your call after the courtesy tone
C	Register your radio with the local FCC office
D	Program your radio with the group’s ID or code

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	An international radio experimentation society
D	A radio contest held in a short period, sometimes called a “sprint”

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	Both the transmitting and receiving antennas must be of the same polarization
B	Either vertically or horizontally polarized antennas may be used for transmission or reception
C	Digital modes are unusable
D	FM voice is unusable

14. - T3B03

What are the two components of a radio wave?

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

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	6 and 10 meters
B	23 centimeters
C	70 centimeters and 1.25 meters
D	All these choices are correct

16. - T4A03

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

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

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	2400 Hz
B	5000 Hz
C	500 Hz
D	1000 Hz

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Amperes
B	Watt-hours
C	Watts
D	Volts

19. - T5B04

Which is equal to one microvolt?

Select	Answer
A	One million volts
B	One one-thousandth of a volt
C	One one-millionth of a volt
D	One thousand kilovolts

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Admittance
B	Resistance
C	Capacitance
D	Inductance

21. - T5D11

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

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

22. - T6A01

What electrical component opposes the flow of current in a DC circuit?

Select	Answer
A	Resistor
B	Inductor
C	Transformer
D	Inverter

23. - T6B03

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

Select	Answer
A	Potentiometer
B	Transistor
C	Thermistor
D	Varistor

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Transistor
B	Resistor
C	Connector
D	Indicator lamp

25. - T6D11

Which of the following is a resonant or tuned circuit?

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

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for converting receiver and transmitter frequencies to another band
B	A device that combines a receiver and transmitter
C	A device for automatically sending and decoding Morse code
D	A device for matching feed line impedance to 50 ohms

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Select	Answer
A	Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
B	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
C	All these choices are correct
D	Immediately turn off your transmitter and contact the nearest FCC office for assistance

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Good impedance match
B	Impedance mismatch
C	Loss of -4 dB
D	Gain of +4 dB

29. - T7D04

Which instrument is used to measure electric current?

Select	Answer
A	An electrometer
B	A voltmeter
C	An ammeter
D	An ohmmeter

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	PM
B	SSB
C	FM
D	DRM

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The last observed time of zero Doppler shift
B	The satellite transmitted power
C	All these choices are correct
D	The Keplerian elements

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

Select	Answer
A	Radio direction finding
B	Doppler radar
C	Echolocation
D	Phase locking

33. - T8D09

What is CW?

Select	Answer
A	Another name for a Morse code transmission
B	A technique for coil winding
C	A type of electromagnetic propagation
D	A digital mode used primarily on 2 meter FM

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

35. - T9B02

What is the most common impedance of coaxial cables used in amateur radio?

Select	Answer
A	8 ohms
B	12 ohms
C	50 ohms
D	600 ohms

Figure T-1