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. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

Select	Answer
A	In series with the hot and neutral conductors
B	In parallel with the hot conductor only
C	In parallel with the hot and neutral conductors
D	In series with the hot conductor only

2. - T0B07

Which of the following is an important safety rule to remember when using a crank-up tower?

Select	Answer
A	All these choices are correct
B	This type of tower must never be grounded
C	This type of tower must never be painted
D	This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By informing the FCC of any changes made in your station
B	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
C	All these choices are correct
D	By making sure your antennas have low SWR

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Select	Answer
A	The FCC
B	All these choices are correct
C	Homeland Security
D	FEMA

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	100 watts
B	500 watts
C	1500 watts
D	50 watts

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to obtain FCC type acceptance prior to using a home-built transmitter
B	Failure to have a copy of your license available at your station
C	Failure to provide and maintain a correct email address with the FCC
D	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Two-way transmissions by amateur stations
B	Transmission of messages directed only to amateur operators
C	Transmissions intended for reception by the general public
D	Any transmission made by the licensed station

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

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time after written notification by the FCC of such inspection
B	At any time ten days after notification by the FCC of such an inspection
C	Only when presented with a valid warrant by an FCC official or government agent
D	At any time upon request by an FCC representative

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A list of operating schedules
B	A plan devised by a club to indicate frequency band usage
C	A list of available net frequencies
D	A voluntary guideline for using different modes or activities within an amateur band

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	Carrier squelch
B	DTMF
C	CTCSS
D	Tone burst

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	All these choices are correct
B	Making decisions as to whether messages are worthy of relay or delivery
C	Ensuring that any newsworthy messages are relayed to the news media
D	Passing messages exactly as received

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

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	300 to 3000 MHz
B	30 to 300 MHz
C	3 to 30 MHz
D	300 to 3000 kHz

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	UHF signals are absorbed by the ionospheric D region
B	They are too weak to go very far
C	UHF signals are usually not propagated by the ionosphere
D	FCC regulations prohibit them from going more than 50 miles

16. - T4A11

Where should the negative power return of a mobile transceiver be connected in a vehicle?

Select	Answer
A	At the antenna mount
B	To any metal part of the vehicle
C	At the 12 volt battery chassis ground
D	Through the transceiver’s mounting bracket

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	Access information for repeaters and talkgroups
B	Your call sign in CW for automatic identification
C	The DMR software version
D	The codec for digitizing audio

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Hertz
B	Tesla
C	Henry
D	Farad

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C11

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

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

21. - T5D13

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

Select	Answer
A	Series
B	Resonant
C	Parallel
D	Branch

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Diode
B	Inductor
C	Varistor
D	Capacitor

23. - T6B01

Which is true about forward voltage drop in a diode?

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

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Transformer
B	Variable inductor
C	Potentiometer
D	Double-pole switch

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Transformer
B	Multi-pole relay
C	Integrated circuit
D	Transducer

26. - T7A01

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

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

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The microphone gain of the transmitter is turned up too high
B	The deviation of an FM transmitter is set too low
C	The receiver is unable to reject strong signals outside the AM or FM band
D	The audio amplifier of the transmitter is overloaded

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	Zero
B	1:1
C	Full Scale
D	50:50

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

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	Between 10 and 15 kHz
B	Between 50 and 125 kHz
C	About 150 kHz
D	Less than 500 Hz

31. - T8B09

What causes spin fading of satellite signals?

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

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Contesting
B	Public service events
C	Simulated emergency exercises
D	Net operations

33. - T8D08

Which of the following is included in packet radio transmissions?

Select	Answer
A	A check sum that permits error detection
B	A header that contains the call sign of the station to which the information is being sent
C	All these choices are correct
D	Automatic repeat request in case of error

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

Select	Answer
A	A ground-wave antenna
B	A travelling-wave antenna
C	A vertically polarized antenna
D	A horizontally polarized antenna

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	UHF (PL-259/SO-239)
B	Type N
C	RS-213
D	DB-25

Figure T-2