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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may cause involuntary muscle contractions
B	It may disrupt the electrical functions of cells
C	It may cause injury by heating tissue
D	All these choices are correct

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Prevent loosening of the turnbuckle from vibration
B	Provide an ability to measure for proper tensioning
C	Secure the guy line if the turnbuckle breaks
D	Provide a ground path for lightning strikes

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Relocate the transmitter
B	All these choices are correct
C	Relocate antennas
D	Increase the duty cycle

4. - T1A05

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

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

5. - T1B02

Which amateurs may contact the International Space Station (ISS) on VHF bands?

Select	Answer
A	Any amateur holding a Technician class or higher license
B	Any amateur holding a General class or higher license who has applied for and received approval from NASA
C	Any amateur holding a Technician class or higher license who has applied for and received approval from NASA
D	Any amateur holding a General class or higher license

6. - T1C10

How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

Select	Answer
A	Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
B	As soon as your operator/station license grant appears on the ARRL website
C	As soon as you receive your license in the mail from the FCC
D	As soon as your operator/station license grant appears in the FCC’s license database

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 when transmitting control commands to space stations or radio control craft
C	Never
D	Only during contests

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	A control operator is required at all times
B	The control operator must indirectly manipulate the controls
C	The control operator must be at the control point
D	All these choices are correct

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

Select	Answer
A	Any language recognized by the United Nations
B	English
C	English, French, or Spanish
D	Any language recognized by the ITU

10. - T2A07

What is meant by "repeater offset”?

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

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. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	Messages exchanged by net stations
B	Operation by mobile or portable stations
C	Requests to activate the net by a served agency
D	The number of stations checking in and out of a net

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Knife-edge diffraction
B	Absorption
C	Polarization rotation
D	Amplification

14. - T3B09

What frequency range is referred to as UHF?

Select	Answer
A	300 to 3000 kHz
B	30 to 300 MHz
C	300 to 3000 MHz
D	30 to 300 kHz

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	Sporadic E
B	Gray-line propagation
C	D region absorption
D	Backscatter

16. - T4A03

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

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

17. - T4B04

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

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

18. - T5A10

Which term describes the rate at which electrical energy is used?

Select	Answer
A	Power
B	Resistance
C	Voltage
D	Current

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	12 dB
B	28 dB
C	10 dB
D	18 dB

20. - T5C04

What is the unit of inductance?

Select	Answer
A	The farad
B	The ohm
C	The henry
D	The coulomb

21. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Parallel
B	Branch
C	Resonant
D	Series

22. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

Select	Answer
A	Potentiometer
B	Oscillator
C	Resistor
D	Capacitor

23. - T6B07

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

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

24. - T6C12

Which of the following is accurately represented in electrical schematics?

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

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Transformer
B	Diode
C	Variable capacitor
D	Transistor

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	A voltage divider
B	An RF power amplifier
C	An impedance network
D	All these choices are correct

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The microphone gain of the transmitter is turned up too high
B	The deviation of an FM transmitter is set too low
C	The audio amplifier of the transmitter is overloaded
D	The receiver is unable to reject strong signals outside the AM or FM band

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

Select	Answer
A	A frequency counter
B	An antenna analyzer
C	A VTVM
D	A Q meter

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	All these choices are correct
B	SSB signals have narrower bandwidth
C	SSB signals are less susceptible to interference
D	SSB signals are easier to tune in correctly

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite operates using ultraviolet frequencies
B	The satellite frequencies are usually variable
C	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
D	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band

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. - T8D06

What does the abbreviation "PSK" mean?

Select	Answer
A	Phase Shift Keying
B	Pulse Shift Keying
C	Packet Short Keying
D	Phased Slide Keying

34. - T9A02

Which of the following describes a type of antenna loading?

Select	Answer
A	Strengthening the radiating elements of a beam antenna to better resist wind damage
B	Installing a spring in the base of a mobile vertical antenna to make it more flexible
C	Inserting a resistor in the radiating portion of the antenna to make it resonant
D	Electrically lengthening by inserting inductors in radiating elements

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	The ratio of amplifier power output to input
B	An indication of the quality of your station’s ground connection
C	A measure of how well a load is matched to a transmission line
D	The transmitter efficiency ratio