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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may cause involuntary muscle contractions
B	All these choices are correct
C	It may cause injury by heating tissue
D	It may disrupt the electrical functions of cells

2. - T0B04

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

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

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The difference between the PEP and average power output of a transmitter
B	The difference between the lowest power output and the highest power output of a transmitter
C	The percentage of time that a transmitter is not transmitting
D	The percentage of time that a transmitter is transmitting

4. - T1A09

Who selects a Frequency Coordinator?

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

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	2 meters
B	6 meters
C	70 centimeters
D	20 meters

6. - T1C03

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

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

7. - T1D04

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

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

8. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The location of the station’s transmitting apparatus
B	The location of the station’s transmitting antenna
C	The location at which the control operator function is performed
D	The mailing address of the station licensee

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

Select	Answer
A	English, French, or Spanish
B	Any language recognized by the ITU
C	English
D	Any language recognized by the United Nations

10. - T2A07

What is meant by "repeater offset”?

Select	Answer
A	The difference between a repeater’s transmit and receive frequencies
B	The repeater has a time delay to prevent interference
C	The number of simultaneous transmit frequencies used by a repeater
D	The repeater station identification is done on a separate frequency

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

Select	Answer
A	Register your radio with the local FCC office
B	Join the repeater owner’s club
C	Sign your call after the courtesy tone
D	Program your radio with the group’s ID or code

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only when part of a FEMA emergency plan
B	Yes, but only when part of a RACES emergency plan
C	Yes, but only in situations involving the immediate safety of human life or protection of property
D	No

13. - T3A03

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

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

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	Traditional letter/number designators
B	The approximate wavelength in meters
C	Channel numbers
D	All these choices are correct

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	F2 region refraction
B	Tropospheric ducting
C	Faraday rotation
D	D region refraction

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	All these choices are correct
B	To provide a good counterpoise for the antenna
C	To avoid RF interference
D	To minimize voltage drop when transmitting

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	Your call sign
B	Your output power
C	All these choices are correct
D	The codec type being used

18. - T5A11

What type of current flow is opposed by resistance?

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

19. - T5B10

Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

Select	Answer
A	-6 dB
B	-3 dB
C	-1 dB
D	-9 dB

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Capacitance
B	Resistance
C	Admittance
D	Inductance

21. - T5D07

What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

Select	Answer
A	0.667 amperes
B	9600 amperes
C	1.5 amperes
D	200 amperes

22. - T6A05

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

Select	Answer
A	Potentiometer
B	Capacitor
C	Resistor
D	Oscillator

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Triode
B	Alternator
C	Pentagrid converter
D	Transistor

24. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable inductor
B	Variable transformer
C	Variable resistor
D	Variable capacitor

25. - T6D08

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

Select	Answer
A	Capacitor
B	Zener diode
C	Resistor
D	Potentiometer

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Oscillation
B	Impedance matching
C	Modulation
D	Low-pass filtering

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Preamplifier
B	Ferrite choke
C	Low-pass filter
D	Band-pass filter

28. - T7C01

What is the primary purpose of a dummy load?

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

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Alternating between open and short circuit
B	Steady full-scale reading
C	Increasing resistance with time
D	Decreasing resistance with time

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	1000 Hz
B	15 kHz
C	150 Hz
D	2.4 kHz

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Circular polarized noise interference radiated from the sun
B	Interfering signals within the satellite uplink band
C	Doppler shift of the received signal
D	Rotation of the satellite and its antennas

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By obtaining a password that is sent via voice to the node
B	By using DTMF signals
C	By entering the proper internet password
D	By using CTCSS tone codes

33. - T8D01

Which of the following is a digital communications mode?

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

34. - T9A10

In which direction does a half-wave dipole antenna radiate the strongest signal?

Select	Answer
A	In the direction of the feed line
B	Equally in all directions
C	Off the ends of the antenna
D	Broadside to the antenna

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It has less loss than any other type of feed line
B	It is easy to use and requires few special installation considerations
C	It can handle more power than any other type of feed line
D	It is less expensive than any other type of feed line

Figure T-2