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

2. - T0B09

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

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

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	All these choices are correct
B	By calculation based on FCC OET Bulletin 65
C	By calculation based on computer modeling
D	By measurement of field strength using calibrated equipment

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	One for each permanent station location from which the person plans to operate
B	One
C	No more than two
D	One for each band on which the person plans to operate

5. - T1B04

Which amateur band includes 146.52 MHz?

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

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	Yes, for up to two years
B	No, you must wait until the license has been renewed
C	Yes, for up to one year
D	Yes, as soon as you apply for renewal

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 incidental to an authorized retransmission of manned spacecraft communications
C	When the music produces no spurious emissions
D	When the music is transmitted above 1280 MHz

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The third party participant
B	The station licensee
C	The person operating the station equipment
D	The station custodian

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign followed by the indicator RPT
B	Send the call sign followed by the indicator R
C	Send the call sign using a CW or phone emission
D	Send the call sign using only a phone emission

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit "CQ" followed by the other station’s call sign
B	Transmit a signal report followed by your call sign
C	Transmit the other station’s call sign followed by your call sign
D	Transmit your call sign followed by the other station’s call sign

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	For working DX only
B	So stations within range of each other can communicate without tying up a repeater
C	For contest operation
D	So stations with simple transmitters can access the repeater without automated offset

12. - T2C02

Which of the following are typical duties of a Net Control Station?

Select	Answer
A	Call the net to order and direct communications between stations checking in
B	All these choices are correct
C	Ensure that all stations checking into the net are properly licensed for operation on the net frequency
D	Choose the regular net meeting time and frequency

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	Received signal strength is reduced
B	Nothing significant will happen
C	Signals have an echo effect
D	The modulation sidebands might become inverted

14. - T3B07

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

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

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	F2 region refraction
C	D region refraction
D	Tropospheric ducting

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	13.8 volts at 12 amperes
B	24.0 volts at 12 amperes
C	13.8 volts at 4 amperes
D	24.0 volts at 4 amperes

17. - T4B02

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

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

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Glass
B	Copper
C	Mercury
D	Aluminum

19. - T5B13

Which is equal to 2425 MHz?

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

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	Mhz
B	mh
C	MHz
D	MH

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Series
B	Resonant
C	Branch
D	Parallel

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Thyratron
B	All these choices are correct
C	Varactor
D	Fuse

23. - T6B07

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

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

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Transistor
B	Ground symbol
C	Lamp
D	Resistor

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Phase inverter
B	Oscillator
C	Filter
D	Regulator

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Select	Answer
A	Change the frequency range of the amplifier to operate in the proper segment of the band
B	Reduce the received signal noise
C	Change the mode of the transmitted signal
D	Set the amplifier for proper operation in the selected mode

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

28. - T7C06

What does an SWR reading of 4:1 indicate?

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

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. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	DRM
B	FM
C	SSB
D	PM

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	A licensed radio amateur with a transmitter equipped for interrogating the satellite
B	A licensed radio amateur who has been certified by the protocol developer
C	Anyone
D	A licensed radio amateur who has registered for an access code from AMSAT

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	Sign only the last two letters of your call if there are many other stations calling
D	All these choices are correct

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	A satellite communications network using modified commercial satellite TV hardware
C	An internet linking protocol used to network repeaters
D	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	112
B	50
C	12
D	19

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 is less expensive than any other type of feed line
D	It can handle more power than any other type of feed line

Figure T-1