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. - T0A12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

Select	Answer
A	Ensure that the voltmeter is set to the correct frequency
B	Ensure that the voltmeter has very low impedance
C	Ensure that the voltmeter and leads are rated for use at the voltages to be measured
D	Ensure that the circuit is grounded through the voltmeter

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	Put a drip loop in the ground connection to prevent water damage to the ground system
B	Ensure that connections are short and direct
C	Make sure all ground wire bends are right angles
D	All these choices are correct

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	All these choices are correct
B	RF burn to skin
C	Radiation poisoning
D	Electrocution

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	FCC Regional Field Office
B	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
C	The FCC Office of Spectrum Management and Coordination Policy
D	The local chapter of the Office of National Council of Independent Frequency Coordinators

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	28.50 MHz
B	222.15 MHz
C	49.00 MHz
D	52.525 MHz

6. - T1C01

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

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

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	There is no such prohibition
B	Any such language is prohibited
C	The FCC maintains a list of words that are not permitted to be used on amateur frequencies
D	The ITU maintains a list of words that are not permitted to be used on amateur frequencies

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

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A list of operating schedules
B	A voluntary guideline for using different modes or activities within an amateur band
C	A list of available net frequencies
D	A plan devised by a club to indicate frequency band usage

11. - T2B01

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

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

12. - T2C06

What is the Amateur Radio Emergency Service (ARES)?

Select	Answer
A	A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
B	A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
C	A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
D	A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service

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

14. - T3B11

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

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

15. - T3C03

What is a characteristic of VHF signals received via auroral backscatter?

Select	Answer
A	They are often received from 10,000 miles or more
B	They are generally strongest when your antenna is aimed west
C	They are distorted and signal strength varies considerably
D	They occur only during winter nighttime hours

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	Receive and transmit mode, status, and location
B	Antenna and RF power
C	Receive audio, transmit audio, and transmitter keying
D	NMEA GPS location and DC power

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	1000 Hz
B	2400 Hz
C	5000 Hz
D	500 Hz

18. - T5A09

Which of the following describes alternating current?

Select	Answer
A	Current that alternates between a positive direction and zero
B	All these answers are correct
C	Current that alternates between positive and negative directions
D	Current that alternates between a negative direction and zero

19. - T5B03

Which is equal to one kilovolt?

Select	Answer
A	One hundred volts
B	One one-thousandth of a volt
C	One million volts
D	One thousand volts

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	kHz
B	KHZ
C	khz
D	khZ

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	18 ohms
B	8 ohms
C	13.5 ohms
D	0.125 ohms

22. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Potentiometer
B	Fixed resistor
C	Transformer
D	Power resistor

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Resistor
B	Transistor
C	Transformer
D	Reactor

24. - T6C07

What is component 8 in figure T-2?

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

25. - T6D08

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

Select	Answer
A	Resistor
B	Zener diode
C	Capacitor
D	Potentiometer

26. - T7A04

Which term describes the ability of a receiver to discriminate between multiple signals?

Select	Answer
A	Discrimination ratio
B	Harmonic distortion
C	Selectivity
D	Sensitivity

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	All these choices are correct
B	Immediately turn off your transmitter and contact the nearest FCC office for assistance
C	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
D	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Moisture contamination
B	Operation at 100% duty cycle for an extended period
C	Rapid fluctuation in transmitter output power
D	Solder flux contamination

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A04

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

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

31. - T8B02

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

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

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

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

33. - T8D01

Which of the following is a digital communications mode?

Select	Answer
A	FT8
B	All these choices are correct
C	IEEE 802.11
D	Packet radio

34. - T9A05

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

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

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The loss increases
B	The characteristic impedance increases
C	The loss decreases
D	The characteristic impedance decreases

Figure T-2