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. - T0A12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

Select	Answer
A	Ensure that the voltmeter has very low impedance
B	Ensure that the voltmeter is set to the correct frequency
C	Ensure that the voltmeter and leads are rated for use at the voltages to be measured
D	Ensure that the circuit is grounded through the voltmeter

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 not be climbed unless it is retracted, or mechanical safety locking devices have been installed
C	This type of tower must never be painted
D	This type of tower must never be grounded

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

Select	Answer
A	Distance from the antenna to a person
B	All these choices are correct
C	Radiation pattern of the antenna
D	Frequency and power level of the RF field

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	International Telecommunication Union
B	Volunteer Frequency Coordinator recognized by local amateurs
C	Frequency Spectrum Manager appointed by the FCC
D	FCC Regional Field Office

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

Select	Answer
A	219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
B	50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
C	All these choices are correct
D	902.0 MHz to 902.1 MHz

6. - T1C04

What may happen if the FCC is unable to reach you by email?

Select	Answer
A	Revocation of the station license or suspension of the operator license
B	Revocation of access to the license record in the FCC system
C	Fine and suspension of operator license
D	Nothing; there is no such requirement

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

8. - T1E06

When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

Select	Answer
A	When designated as the control operator by an Amateur Extra Class licensee
B	As part of a multi-operator contest team
C	At no time
D	When using a club station whose trustee holds an Amateur Extra Class license

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Beacon station
B	Message forwarding station
C	Earth station
D	Repeater station

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	Simplex
D	Multiplex

11. - T2B08

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

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

12. - T2C06

What is the Amateur Radio Emergency Service (ARES)?

Select	Answer
A	A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
B	A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
C	A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
D	A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	Transmission rates must be increased by a factor equal to the number of separate paths observed
B	Transmission rates must be decreased by a factor equal to the number of separate paths observed
C	Error rates are likely to increase
D	No significant changes will occur if the signals are transmitted using FM

14. - T3B08

What frequency range is referred to as VHF?

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

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	Quantum tunneling
D	Faraday rotation

16. - T4A11

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

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

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

Select	Answer
A	By activating automatic identification
B	By entering the group’s identification code
C	By enabling the group’s CTCSS tone
D	By retrieving the frequencies from transceiver memory

18. - T5A12

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

Select	Answer
A	Pulse rate
B	Frequency
C	Wavelength
D	Speed

19. - T5B01

How many milliamperes is 1.5 amperes?

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

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	Mhz
B	MH
C	MHz
D	mh

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	12 volts
B	8 volts
C	0.2 volts
D	20 volts

22. - T6A07

What electrical component is typically constructed as a coil of wire?

Select	Answer
A	Diode
B	Capacitor
C	Switch
D	Inductor

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With the word "cathode"
B	With the letter C
C	With a stripe
D	With the letter K

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Transistor
B	Battery
C	Connector
D	Resistor

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	A circuit designed to provide high-fidelity audio
B	A linear voltage regulator
C	A resistor circuit used for reducing standing wave ratio
D	An inductor and a capacitor in series or parallel

26. - T7A02

What is a transceiver?

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

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

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Iambic pentameter
B	Directional wattmeter
C	Ohmmeter
D	Voltmeter

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

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

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. - 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	Blocking access by other users
D	Possibility of rebooting the satellite control computer

32. - T8C03

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

Select	Answer
A	Simulated emergency exercises
B	Public service events
C	Contesting
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	Automatic repeat request in case of error
C	A header that contains the call sign of the station to which the information is being sent
D	All these choices are correct

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	50
B	112
C	6
D	236

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The loss increases
B	The characteristic impedance decreases
C	The characteristic impedance increases
D	The loss decreases

Figure T-1