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. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Hot
B	Neutral
C	Equipment ground
D	Black insulation is never used

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	Insulate the base of the tower to avoid lightning strikes
B	Wear a ground strap connected to your wrist at all times
C	Look for and stay clear of any overhead electrical wires
D	All these choices are correct

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

Select	Answer
A	Radiation pattern of the antenna
B	Frequency and power level of the RF field
C	All these choices are correct
D	Distance from the antenna to a person

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A government transmitter marking the amateur radio band edges
B	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
C	A bulletin sent by the FCC to announce a national emergency
D	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

Select	Answer
A	Only in sub-bands allocated to General class or higher licensees
B	Only on repeaters
C	On any band if the power is limited to 25 watts
D	In at least some segment of all these bands

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Any communications that would be permitted by an international broadcast station
B	Only communications incidental to contest exchanges; all other communications are prohibited
C	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
D	Communications incidental to conducting business or remarks of a personal nature

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Only when transmitting control commands to space stations or radio control craft
B	Only during contests
C	Only when transmitting certain approved digital codes
D	Never

8. - T1E07

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

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

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least every 15 minutes during and at the end of a communication
B	At least every 10 minutes during and at the end of a communication
C	At least once during each transmission
D	At the beginning of each contact, and every 10 minutes thereafter

10. - T2A04

What is an appropriate way to call another station on a repeater if you know the other station's call sign?

Select	Answer
A	Say "CQ" three times, then the other station's call sign
B	Wait for the station to call CQ, then answer
C	Say the station's call sign, then identify with your call sign
D	Say "break, break," then say the station's call sign

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To listen on a repeater’s output frequency
B	To reduce power output
C	To increase power output
D	To listen on a repeater’s input frequency

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	Send the words by voice and Morse code
C	Speak very loudly into the microphone
D	All these choices are correct

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	FM voice is unusable
B	Both the transmitting and receiving antennas must be of the same polarization
C	Either vertically or horizontally polarized antennas may be used for transmission or reception
D	Digital modes are unusable

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Electric and magnetic fields
B	Ionizing and non-ionizing radiation
C	Impedance and reactance
D	Voltage and current

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	Faraday rotation
B	Tropospheric ducting
C	F2 region refraction
D	D region refraction

16. - T4A05

Where should an RF power meter be installed?

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

17. - T4B08

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

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

18. - T5A10

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

Select	Answer
A	Voltage
B	Power
C	Resistance
D	Current

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. - T5C12

What is impedance?

Select	Answer
A	The power handling capability of a component
B	The opposition to AC current flow
C	The inverse of resistance
D	The Q or Quality Factor of a component

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	3 ohms
B	48 ohms
C	8 ohms
D	16 ohms

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Inductance
B	Resistance
C	Field strength
D	Capacitance

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Tesla-effect
B	Field-effect
C	Bipolar junction
D	Varistor

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Transistor
B	Indicator lamp
C	Connector
D	Resistor

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Supply electrical energy
B	Convert electrical energy into radio waves
C	Give off light when current flows through it
D	Control the flow of current

26. - T7A05

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

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

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	All these choices are correct
B	Your transmitter is slightly off frequency
C	Your batteries are running low
D	You are in a bad location

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Loss of -4 dB
B	Gain of +4 dB
C	Impedance mismatch
D	Good impedance match

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Acid-core solder
B	Tin-copper solder
C	Rosin-core solder
D	Lead-tin solder

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Suppressed sideband
B	Lower sideband
C	Inverted sideband
D	Upper sideband

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Possibility of commanding the satellite to an improper mode
B	Blocking access by other users
C	Overloading the satellite batteries
D	Possibility of rebooting the satellite control computer

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	Send only the minimum information needed for proper identification and the contest exchange
B	Contact the station twice to be sure that you are in his log
C	All these choices are correct
D	Sign only the last two letters of your call if there are many other stations calling

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	Weather data
B	All these choices are correct
C	Text messages
D	GPS position data

34. - T9A05

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

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

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Overload from a strong local station
B	Local thunderstorm
C	Loose connection in the antenna or feed line
D	Over-modulation

Figure T-1