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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	Touching both terminals with the hands can cause electrical shock
B	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
C	Shorting the terminals can cause burns, fire, or an explosion
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	Provide an ability to measure for proper tensioning
B	Provide a ground path for lightning strikes
C	Secure the guy line if the turnbuckle breaks
D	Prevent loosening of the turnbuckle from vibration

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By making sure your antennas have low SWR
B	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
C	All these choices are correct
D	By informing the FCC of any changes made in your station

4. - T1A04

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

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

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	50 watts
C	500 watts
D	100 watts

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

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
B	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
C	Any country banned from making such communications by the American Radio Relay League (ARRL)
D	Any country banned from such communications by the International Amateur Radio Union (IARU)

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	The control operator and the station licensee
B	Only the station licensee
C	Only the control operator
D	All licensed amateurs who are present at the operation

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. - T2A03

What is a common repeater frequency offset in the 70 cm band?

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

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	So stations within range of each other can communicate without tying up a repeater
B	For contest operation
C	For working DX only
D	So stations with simple transmitters can access the repeater without automated offset

12. - T2C03

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

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

13. - T3A11

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

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

14. - T3B02

What property of a radio wave defines its polarization?

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

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. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	All these choices are correct
B	The types of modulation being used at the station
C	The distance that the meter will be located from the antenna
D	The frequency and power level at which the measurements will be made

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. - T5A02

Electrical power is measured in which of the following units?

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

19. - T5B07

Which is equal to 3.525 MHz?

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

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	kHz
B	khz
C	khZ
D	KHZ

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	8 volts
B	0.2 volts
C	12 volts
D	20 volts

22. - T6A05

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

Select	Answer
A	Oscillator
B	Potentiometer
C	Resistor
D	Capacitor

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. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Ground symbol
B	Resistor
C	Transistor
D	Lamp

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Resistor
B	Potentiometer
C	Zener diode
D	Capacitor

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	At the output of the receiver audio amplifier
B	Between the transmitter and the antenna tuner
C	Between the antenna and receiver
D	At the output of the transmitter power amplifier

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	Harmonics
B	Fundamental overload
C	Spurious emissions
D	All these choices are correct

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To improve the efficiency of an antenna
B	To prevent over-modulation of a transmitter
C	To prevent transmitting signals over the air when making tests
D	To improve the signal-to-noise ratio of a receiver

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 3 MHz
B	More than 10 MHz
C	About 6 MHz
D	About 1 MHz

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	An observed change in signal frequency caused by relative motion between the satellite and Earth station
B	A special digital communications mode for some satellites
C	A mode where the satellite receives signals on one band and transmits on another
D	A change in the satellite orbit

32. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	A calibrated noise bridge
B	Calibrated SWR meter
C	All these choices are correct
D	A directional antenna

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 system used to encrypt command signals to an amateur radio satellite
C	A method of compressing data using autonomous reiterative Q codes prior to final encoding
D	A special transmission format limited to video signals

34. - T9A05

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

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

35. - T9B08

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

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

Figure T-1