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. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Equipment ground
B	Neutral
C	Black insulation is never used
D	Hot

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

Select	Answer
A	Use only non-insulated wire
B	Wires must be carefully routed with precise right-angle bends
C	Common grounds must be avoided
D	Sharp bends must be avoided

3. - T0C13

Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

Select	Answer
A	The local zoning board
B	Anyone who is near an antenna
C	The FCC
D	The station licensee

4. - T1A09

Who selects a Frequency Coordinator?

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

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	All these choices are correct
B	So that modulation sidebands do not extend beyond the band edge
C	To allow for transmitter frequency drift
D	To allow for calibration error in the transmitter frequency display

6. - T1C10

How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

Select	Answer
A	As soon as your operator/station license grant appears in the FCC’s license database
B	As soon as your operator/station license grant appears on the ARRL website
C	As soon as you receive your license in the mail from the FCC
D	Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)

7. - T1D11

When may an amateur station transmit without identifying on the air?

Select	Answer
A	When the transmitted power level is below 1 watt
B	When transmitting signals to control model craft
C	When the transmissions are unmodulated
D	When the transmissions are of a brief nature to make station adjustments

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	The frequency coordinator
B	The station licensee
C	The FCC
D	Any licensed operator

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The control operator of the originating station
B	Both the originating station and the repeater owner
C	The owner of the repeater
D	The control operator of the repeater

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	145.000 MHz
B	146.520 MHz
C	446.000 MHz
D	432.100 MHz

11. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

Select	Answer
A	Both stations should choose another frequency to avoid conflict
B	Interference is inevitable, so no action is required
C	Use subaudible tones so both stations can share the frequency
D	The stations should negotiate continued use of the frequency

12. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	The address of the intended recipient
B	The email address of the originating station
C	The telephone number of the addressee
D	Information needed to track the message

13. - T3A07

What weather condition might decrease range at microwave frequencies?

Select	Answer
A	Colder temperatures
B	High winds
C	Precipitation
D	Low barometric pressure

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Voltage and current
B	Electric and magnetic fields
C	Impedance and reactance
D	Ionizing and non-ionizing radiation

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. - 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 4 amperes
B	13.8 volts at 12 amperes
C	24.0 volts at 4 amperes
D	24.0 volts at 12 amperes

17. - T4B05

What does the scanning function of an FM transceiver do?

Select	Answer
A	Checks incoming signal deviation
B	Tunes through a range of frequencies to check for activity
C	Checks for messages left on a digital bulletin board
D	Prevents interference to nearby repeaters

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	All these choices are correct
B	They have many free electrons
C	They have relatively high density
D	They have many free protons

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C03

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

Select	Answer
A	Capacitance
B	Resistance
C	Admittance
D	Inductance

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	13.5 ohms
B	8 ohms
C	0.125 ohms
D	18 ohms

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Diode
B	Capacitor
C	Inductor
D	Varistor

23. - T6B01

Which is true about forward voltage drop in a diode?

Select	Answer
A	It indicates that the diode is defective
B	It is proportional to peak inverse voltage
C	It has no impact on the voltage delivered to the load
D	It is lower in some diode types than in others

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Variable inductor
B	Variable capacitor
C	Meter
D	Connector

25. - T6D02

What is a relay?

Select	Answer
A	An inverting amplifier
B	A current controlled amplifier
C	A pass transistor
D	An electrically-controlled switch

26. - T7A04

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

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

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Switch the transmitter from FM to SSB
B	Switch the transmitter to a narrow-band mode
C	Block the amateur signal with a filter at the antenna input of the affected receiver
D	Block the interfering signal with a filter on the amateur transmitter

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A low-voltage power supply and a DC relay
B	A non-inductive resistor mounted on a heat sink
C	A high-gain amplifier and a TR switch
D	A 50-ohm reactance used to terminate a transmission line

29. - T7D10

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

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

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Single sideband
B	Spread spectrum
C	Packet radio
D	Phase shift keying (PSK)

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
B	The satellite operates using ultraviolet frequencies
C	The satellite frequencies are usually variable
D	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band

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 entering the proper internet password
C	By using DTMF signals
D	By using CTCSS tone codes

33. - T8D09

What is CW?

Select	Answer
A	A technique for coil winding
B	Another name for a Morse code transmission
C	A digital mode used primarily on 2 meter FM
D	A type of electromagnetic propagation

34. - T9A12

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

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

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Loose connection in the antenna or feed line
B	Overload from a strong local station
C	Over-modulation
D	Local thunderstorm

Figure T-3