US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Anonymous User

US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Logging in (or registering) will help the system to select questions that you need to focus on.

1. - T0A07

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

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

2. - T0B05

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

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

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

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	Frequency Spectrum Manager appointed by the FCC
B	Volunteer Frequency Coordinator recognized by local amateurs
C	International Telecommunication Union
D	FCC Regional Field Office

5. - T1B06

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

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

6. - T1C01

For which license classes are new licenses currently available from the FCC?

Select	Answer
A	Novice, Technician, General, Amateur Extra
B	Technician, General, Amateur Extra
C	Novice, Technician Plus, General, Advanced
D	Technician, Technician Plus, General, Amateur Extra

7. - T1D04

Under what conditions is an amateur station authorized to transmit music using a phone emission?

Select	Answer
A	When the music is transmitted above 1280 MHz
B	When incidental to an authorized retransmission of manned spacecraft communications
C	When the music produces no spurious emissions
D	When transmissions are limited to less than three minutes per hour

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	The FCC
B	The station licensee
C	Any licensed operator
D	The frequency coordinator

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	At the end of each communication and every ten minutes during a communication
B	Never, the tactical call is sufficient
C	At the end of every transmission
D	Once during every hour

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	All these choices are correct
B	Notify the FCC of the transmissions
C	Conduct tests only between 10 p.m. and 6 a.m. local time
D	Identify the transmitting station

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 a CW transmitter's key clicks
D	Reduce interference from impulse noise

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	Making decisions as to whether messages are worthy of relay or delivery
B	All these choices are correct
C	Ensuring that any newsworthy messages are relayed to the news media
D	Passing messages exactly as received

13. - T3A07

What weather condition might decrease range at microwave frequencies?

Select	Answer
A	Colder temperatures
B	Low barometric pressure
C	High winds
D	Precipitation

14. - T3B09

What frequency range is referred to as UHF?

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

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	Backscatter
C	D region absorption
D	Gray-line propagation

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	At the power supply output
B	In the power supply cable, as close as possible to the radio
C	In the feed line, between the transmitter and antenna
D	In parallel with the push-to-talk line and the antenna

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The RIT or Clarifier
B	The tone squelch
C	The bandwidth selection
D	The AGC or limiter

18. - T5A11

What type of current flow is opposed by resistance?

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

19. - T5B02

Which is equal to 1,500,000 hertz?

Select	Answer
A	15 GHz
B	150 kHz
C	1500 MHz
D	1500 kHz

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

Select	Answer
A	0.208 watts
B	30 watts
C	14.5 watts
D	4.8 watts

21. - T5D03

What formula is used to calculate resistance in a circuit?

Select	Answer
A	R = E / I
B	R = E - I
C	R = E x I
D	R = E + I

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	Lead-acid
B	All these choices are correct
C	Lithium-ion
D	Nickel-metal hydride

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Anode and cathode
B	Source and drain
C	Gate and base
D	Plus and minus

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Transistor
B	Regulator IC
C	Capacitor
D	Resistor

25. - T6D06

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

Select	Answer
A	Diode
B	Transformer
C	Transistor
D	Variable capacitor

26. - T7A02

What is a transceiver?

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

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Switch the transmitter to a narrow-band mode
B	Switch the transmitter from FM to SSB
C	Block the interfering signal with a filter on the amateur transmitter
D	Block the amateur signal with a filter at the antenna input of the affected receiver

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Iambic pentameter
B	Ohmmeter
C	Voltmeter
D	Directional wattmeter

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	A bright or shiny surface
B	Excessive solder
C	Dark black spots
D	A rough or lumpy surface

30. - T8A04

Which type of modulation is commonly used for VHF and UHF voice repeaters?

Select	Answer
A	FM or PM
B	PSK
C	AM
D	SSB

31. - T8B07

What is Doppler shift in reference to satellite communications?

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

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

Select	Answer
A	A set of rules specifying how to identify your station when linked over the internet to another station
B	A technique employed to “spot” DX stations via the internet
C	A method of delivering voice communications over the internet using digital techniques
D	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Showing automatically the number of packets transmitted via PACTOR during a specific time interval
B	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
C	Providing voice over internet connection between repeaters
D	Providing information on the number of stations signed into a repeater

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	19
B	112
C	50
D	12

35. - T9B08

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

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

Figure T-2