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 and neutral conductors
C	In series with the hot conductor only
D	In parallel with the hot conductor only

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	Local electrical codes
B	FCC Part 97 rules
C	UL recommended practices
D	FAA tower lighting regulations

3. - T0C10

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

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

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	No more than two
B	One for each band on which the person plans to operate
C	One
D	One for each permanent station location from which the person plans to operate

5. - T1B06

On which HF bands does a Technician class operator have phone privileges?

Select	Answer
A	10 meter band only
B	None
C	80 meter, 40 meter, 15 meter, and 10 meter bands
D	30 meter band only

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

7. - T1D11

When may an amateur station transmit without identifying on the air?

Select	Answer
A	When transmitting signals to control model craft
B	When the transmissions are unmodulated
C	When the transmissions are of a brief nature to make station adjustments
D	When the transmitted power level is below 1 watt

8. - T1E06

When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

Select	Answer
A	At no time
B	When using a club station whose trustee holds an Amateur Extra Class license
C	As part of a multi-operator contest team
D	When designated as the control operator by an Amateur Extra Class licensee

9. - T1F06

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

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

10. - T2A01

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

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

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Mute the receiver audio when a signal is not present
B	Eliminate parasitic oscillations in an RF amplifier
C	Reduce interference from impulse noise
D	Reduce a CW transmitter's key clicks

12. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	The address of the intended recipient
B	The telephone number of the addressee
C	The email address of the originating station
D	Information needed to track the message

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Change from vertical to horizontal polarization
B	Increase the antenna SWR
C	Try the long path
D	Try to find a path that reflects signals to the repeater

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The orientation of the magnetic field
B	The ratio of the energy in the magnetic field to the energy in the electric field
C	The ratio of the velocity to the wavelength
D	The orientation of the electric field

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

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the battery ampere-hour rating by the average current draw of the equipment
B	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
C	Multiply the square of the current rating of the battery by the input resistance of the equipment
D	Multiply the watts per hour consumed by the equipment by the battery power rating

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Permits noise or interference reduction by selecting a bandwidth matching the mode
B	Increases the number of frequencies that can be stored in memory
C	Increases the amount of offset between receive and transmit frequencies
D	Permits monitoring several modes at once by selecting a separate filter for each mode

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	They have many free electrons
B	They have many free protons
C	All these choices are correct
D	They have relatively high density

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	1,000,000,000 microfarads
B	0.001 microfarads
C	1000 microfarads
D	1 microfarad

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	Mhz
B	MH
C	MHz
D	mh

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

Select	Answer
A	8 ohms
B	0.125 ohms
C	13.5 ohms
D	18 ohms

22. - T6A05

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

Select	Answer
A	Capacitor
B	Oscillator
C	Potentiometer
D	Resistor

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Diode
B	Driven element
C	Resistor
D	Fuse

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Transistor
B	Capacitor
C	Resistor
D	Regulator IC

25. - T6D09

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

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

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Modulation
B	Oscillation
C	Impedance matching
D	Low-pass filtering

27. - T7B02

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

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

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It distorts the signal
B	It is radiated as harmonics
C	It is converted into heat
D	It increases the SWR

29. - T7D03

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

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

30. - T8A01

Which of the following is a form of amplitude modulation?

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

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	A licensed radio amateur who has registered for an access code from AMSAT
B	Anyone
C	A licensed radio amateur with a transmitter equipped for interrogating the satellite
D	A licensed radio amateur who has been certified by the protocol developer

32. - T8C01

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

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

33. - T8D11

What is an ARQ transmission system?

Select	Answer
A	An error correction method in which the receiving station detects errors and sends a request for retransmission
B	A method of compressing data using autonomous reiterative Q codes prior to final encoding
C	A system used to encrypt command signals to an amateur radio satellite
D	A special transmission format limited to video signals

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 is mechanically fragile
C	All these choices are correct
D	It has low efficiency

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	All these choices are correct
B	Water intrusion into coaxial connectors
C	High SWR
D	Multiple connectors in the line

Figure T-2