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. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

Select	Answer
A	At the ac power service panel
B	On a grounded panel near where feed lines enter the building
C	At the antenna feed point
D	At the output connector of a transceiver

2. - T0B02

What is required when climbing an antenna tower?

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

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Alpha radiation
B	Non-ionizing radiation
C	Ionizing radiation
D	Gamma 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
C	One for each permanent station location from which the person plans to operate
D	One for each band on which the person plans to operate

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	100 watts
C	200 watts
D	10 watts

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
B	From any vessel or craft located in international waters and documented or registered in the United States
C	From within any country that is a member of the United Nations
D	From within any country that belongs to the International Telecommunication Union

7. - T1D11

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

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

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	When the transmitting station is an auxiliary station
B	When using automatic control, such as in the case of a repeater
C	When the station licensee is away and another licensed amateur is using the station
D	Never

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time after written notification by the FCC of such inspection
B	At any time ten days after notification by the FCC of such an inspection
C	Only when presented with a valid warrant by an FCC official or government agent
D	At any time upon request by an FCC representative

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	Make sure you are authorized to use that frequency
B	All these choices are correct
C	Ask if the frequency is in use
D	Listen first to be sure that no one else is using the frequency

11. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

Select	Answer
A	Carrier squelch
B	CTCSS
C	DTMF
D	Tone burst

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	Unless you are reporting an emergency, transmit only when directed by the net control station
B	All these choices are correct
C	Record the time of each of your transmissions
D	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

Select	Answer
A	Left-hand circular
B	Vertical
C	Right-hand circular
D	Horizontal

14. - T3B11

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

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

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	FCC regulations prohibit them from going more than 50 miles
B	UHF signals are usually not propagated by the ionosphere
C	They are too weak to go very far
D	UHF signals are absorbed by the ionospheric D region

16. - T4A02

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

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

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

Select	Answer
A	By enabling the group’s CTCSS tone
B	By retrieving the frequencies from transceiver memory
C	By entering the group’s identification code
D	By activating automatic identification

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	Alternating current
B	All these choices are correct
C	RF current
D	Direct current

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	0.3 amperes
B	3 amperes
C	3,000,000 amperes
D	0.003 amperes

20. - T5C04

What is the unit of inductance?

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

21. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Select	Answer
A	0.25 volts
B	2.5 volts
C	1 volt
D	1.5 volts

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. - T6B08

What does the abbreviation FET stand for?

Select	Answer
A	Free Electron Transmitter
B	Fast Electron Transistor
C	Frequency Emission Transmitter
D	Field Effect Transistor

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Light emitting diode
B	Regulator IC
C	Resistor
D	Inductor

25. - T6D08

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

Select	Answer
A	Zener diode
B	Resistor
C	Potentiometer
D	Capacitor

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

Select	Answer
A	Reactance modulator
B	Oscillator
C	Low-pass filter
D	Phase modulator

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	Immediately turn off your transmitter and contact the nearest FCC office for assistance
D	All these choices are correct

28. - T7C10

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

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

29. - T7D04

Which instrument is used to measure electric current?

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

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	FM
B	DRM
C	SSB
D	PM

31. - T8B07

What is Doppler shift in reference to satellite communications?

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

32. - T8C05

What is a grid locator?

Select	Answer
A	A letter-number designator assigned to a geographic location
B	An instrument for neutralizing a final amplifier
C	A letter-number designator assigned to an azimuth and elevation
D	An instrument for radio direction finding

33. - T8D09

What is CW?

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

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It has 10 times the power gain of a 1/4 wavelength whip
B	It radiates at a very high angle
C	It has more gain than a 1/4-wavelength antenna
D	It eliminates distortion caused by reflected signals

35. - T9B02

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

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

Figure T-2