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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	All these choices are correct
B	Excessive current could cause a fire
C	The larger fuse would be likely to blow because it is rated for higher current
D	The power supply ripple would greatly increase

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	The antenna will not work properly because of induced voltages
B	The antenna could contact high-voltage power lines
C	The 60 Hz radiations from the feed line may increase the SWR
D	All these choices are correct

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Higher frequency RF fields are transient in nature
B	Lower frequency RF fields do not penetrate the human body
C	Lower frequency RF fields have more energy than higher frequency fields
D	The human body absorbs more RF energy at some frequencies than at others

4. - T1A06

What is the FCC Part 97 definition of a beacon?

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

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	50 watts
B	200 watts
C	100 watts
D	10 watts

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. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	Never
B	When no profit is made on the sale
C	When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
D	When selling amateur radio equipment and not on a regular basis

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	Only an Amateur Extra Class operator who is also an AMSAT member
B	Only an Amateur Extra Class operator
C	Any amateur allowed to transmit on the satellite uplink frequency
D	A General class or higher licensee with a satellite operator certification

9. - T1F03

When are you required to transmit your assigned call sign?

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

10. - T2A07

What is meant by "repeater offset”?

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

11. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

Select	Answer
A	CTCSS
B	DTMF
C	Carrier squelch
D	Tone burst

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	When operating under special FEMA rules
B	FCC rules always apply
C	When operating under special ARES rules
D	When operating a RACES station

13. - T3A09

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

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

14. - T3B02

What property of a radio wave defines its polarization?

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

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	6 and 10 meters
B	70 centimeters and 1.25 meters
C	23 centimeters
D	All these choices are correct

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	Receive audio, transmit audio, and transmitter keying
C	NMEA GPS location and DC power
D	Antenna and RF power

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

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Speed
B	Pulse rate
C	Frequency
D	Wavelength

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	24.25 GHz
B	2425 GHz
C	2.425 GHz
D	0.002425 GHz

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

Select	Answer
A	12 amperes
B	0.1 amperes
C	10 amperes
D	132 amperes

21. - T5D01

What formula is used to calculate current in a circuit?

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

22. - T6A01

What electrical component opposes the flow of current in a DC circuit?

Select	Answer
A	Inductor
B	Resistor
C	Inverter
D	Transformer

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Resistor
B	Diode
C	Fuse
D	Driven element

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Lamp
B	Resistor
C	Ground symbol
D	Transistor

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Potentiometer
B	Meter
C	Transistor
D	Relay

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Sensitivity
B	Total Harmonic Distortion
C	Selectivity
D	Linearity

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	Spurious emissions
B	All these choices are correct
C	Harmonics
D	Fundamental overload

28. - T7C09

Which of the following causes failure of coaxial cables?

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

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the circuit is operating at the correct frequency
B	Ensure that the applied voltages are correct
C	Ensure that the circuit is grounded
D	Ensure that the circuit is not powered

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

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

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The satellite transmitted power
B	The Keplerian elements
C	The last observed time of zero Doppler shift
D	All these choices are correct

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 method of delivering voice communications over the internet using digital techniques
C	A set of rules specifying how to identify your station when linked over the internet to another station
D	A technique employed to “spot” DX stations via the internet

33. - T8D05

Which of the following is an application of APRS?

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

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

Select	Answer
A	All these choices are correct
B	The bandwidth of the antenna will decrease, increasing SWR
C	Signal strength is reduced due to the shielding effect of the vehicle
D	The SWR might decrease, decreasing the signal strength

35. - T9B10

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

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

Figure T-1