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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Bond them together with heavy wire or conductive strap
B	Tune them for resonance on the lowest frequency of operation
C	Keep them as far apart as possible
D	Waterproof them with silicone caulk or electrical tape

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	1/2 wavelength at the operating frequency
B	The height of the power line above ground
C	Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
D	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
B	RF radiation is perfectly safe
C	RF radiation can only be detected with an RF dosimeter
D	RF radiation is limited in range to a few feet

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	It is required when transmitting emergency messages
B	It is required when in contact with foreign stations
C	All these choices are correct
D	It is encouraged

5. - T1B10

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

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

6. - T1C06

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

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

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	When such communications are directly related to the immediate safety of human life or protection of property
B	Never
C	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
D	When broadcasting communications to or from the space shuttle

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	All these choices are correct
B	Repeater operation
C	Operating the station over the internet
D	Controlling a model aircraft, boat, or car by amateur radio

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

10. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Diplex
B	Full duplex
C	Multiplex
D	Simplex

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Mute the receiver audio when a signal is not present
B	Reduce a CW transmitter's key clicks
C	Eliminate parasitic oscillations in an RF amplifier
D	Reduce interference from impulse noise

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	Operation by mobile or portable stations
B	The number of stations checking in and out of a net
C	Messages exchanged by net stations
D	Requests to activate the net by a served agency

13. - T3A03

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

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

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The ratio of the energy in the magnetic field to the energy in the electric field
B	The orientation of the electric field
C	The ratio of the velocity to the wavelength
D	The orientation of the magnetic field

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Doppler shift
B	Knife-edge diffraction
C	Faraday rotation
D	Quantum tunneling

16. - T4A12

What is an electronic keyer?

Select	Answer
A	A device for voice activated switching from receive to transmit
B	An interlock to prevent unauthorized use of a radio
C	A device for switching antennas from transmit to receive
D	A device that assists in manual sending of Morse code

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

Select	Answer
A	The Automatic Frequency Control
B	All these choices are correct
C	The keypad or VFO knob
D	The CTCSS or DTMF encoder

18. - T5A09

Which of the following describes alternating current?

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

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	15 milliamperes
B	150 milliamperes
C	1500 milliamperes
D	15,000 milliamperes

20. - T5C06

What does the abbreviation “RF” mean?

Select	Answer
A	Reflective force in antenna transmission lines
B	The resonant frequency of a tuned circuit
C	The real frequency transmitted as opposed to the apparent frequency
D	Radio frequency signals of all types

21. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Series
B	Parallel
C	Resonant
D	Branch

22. - T6A05

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

Select	Answer
A	Potentiometer
B	Capacitor
C	Oscillator
D	Resistor

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Reverse current
B	Capacitively-coupled RF signal
C	Forward current
D	Inductively-coupled RF signal

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Indicator lamp
B	Transistor
C	Resistor
D	Connector

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Rectifier
B	Amplifier
C	Reflector
D	Transformer

26. - T7A02

What is a transceiver?

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

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
B	All these choices are correct
C	Make sure your station meets the standards of good amateur practice
D	Work with your neighbor to identify the offending device

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It cannot be used for VHF or UHF antennas
B	It has more loss per foot
C	It cannot be used at below freezing temperatures
D	It requires special techniques to prevent moisture in the cable

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

Select	Answer
A	In series
B	In phase
C	In parallel
D	In quadrature

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	SSB signals have narrower bandwidth
B	All these choices are correct
C	SSB signals are easier to tune in correctly
D	SSB signals are less susceptible to interference

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	Overloading the satellite batteries
C	Possibility of rebooting the satellite control computer
D	Blocking access by other users

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

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

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	A wide-bandwidth digital voice mode employing DMR protocols
B	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
C	A satellite communications network using modified commercial satellite TV hardware
D	An internet linking protocol used to network repeaters

34. - T9A12

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

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

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-213 cable has less loss at a given frequency
B	RG-58 cable can handle higher power levels
C	There is no significant difference between the two types
D	RG-58 cable has two shields

Figure T-1