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	The power supply ripple would greatly increase
C	The larger fuse would be likely to blow because it is rated for higher current
D	Excessive current could cause a fire

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	Look for and stay clear of any overhead electrical wires
B	Wear a ground strap connected to your wrist at all times
C	Insulate the base of the tower to avoid lightning strikes
D	All these choices are correct

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	RF burn to skin
B	Electrocution
C	All these choices are correct
D	Radiation poisoning

4. - T1A02

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

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

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.500 MHz to 28.600 MHz
B	28.100 MHz to 28.300 MHz
C	28.300 MHz to 28.500 MHz
D	28.050 MHz to 28.150 MHz

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur with a General or Amateur Extra Class license
B	Any licensed amateur
C	Only a licensed amateur who has been licensed continuously for more than 10 years
D	Only a licensed amateur with an Amateur Extra Class license

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country banned from such communications by the International Amateur Radio Union (IARU)
B	Any country banned from making such communications by the American Radio Relay League (ARRL)
C	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
D	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications

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

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 control operator of the repeater
D	The owner of the repeater

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	“QSY” followed by your call sign
B	The station’s call sign followed by the word “monitoring”
C	“CQ CQ” followed by the repeater’s call sign
D	The repeater call sign followed by the station’s call sign

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A single repeater with more than one receiver
B	A system of repeaters linked by APRS
C	Multiple repeaters with the same control operator
D	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network

12. - T2C06

What is the Amateur Radio Emergency Service (ARES)?

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

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The ionosphere
B	The stratosphere
C	The mesosphere
D	The troposphere

14. - T3B07

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

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

15. - T3C02

What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

Select	Answer
A	HF accommodates wider bandwidth signals
B	Long-distance ionospheric propagation is far more common on HF
C	HF antennas are generally smaller
D	There is less atmospheric interference (static) on HF

16. - T4A12

What is an electronic keyer?

Select	Answer
A	An interlock to prevent unauthorized use of a radio
B	A device for voice activated switching from receive to transmit
C	A device for switching antennas from transmit to receive
D	A device that assists in manual sending of Morse code

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. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Capacitance
B	Inductance
C	Ampere-hours
D	Voltage

19. - T5B05

Which is equal to 500 milliwatts?

Select	Answer
A	50 watts
B	5 watts
C	0.5 watts
D	0.02 watts

20. - T5C04

What is the unit of inductance?

Select	Answer
A	The ohm
B	The coulomb
C	The farad
D	The henry

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	3 ohms
B	8 ohms
C	16 ohms
D	48 ohms

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. - T6B01

Which is true about forward voltage drop in a diode?

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

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Capacitor
B	Transistor
C	Resistor
D	Regulator IC

25. - T6D05

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

Select	Answer
A	Oscillator
B	Filter
C	Phase inverter
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	Set the amplifier for proper operation in the selected mode
D	Change the mode of the transmitted signal

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Be sure all TV feed line coaxial connectors are installed properly
B	Add a preamplifier to the TV antenna input
C	Add a high-pass filter to the TV antenna input
D	Add a low-pass filter to the TV antenna input

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

Select	Answer
A	Because power supplies cannot supply enough current at high SWR
B	To comply with FCC rules on spectral purity
C	To lower the SWR on the transmission line
D	To protect the output amplifier transistors

29. - T7D04

Which instrument is used to measure electric current?

Select	Answer
A	An electrometer
B	A voltmeter
C	An ammeter
D	An ohmmeter

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	SSB signals are easier to tune in correctly
B	SSB signals have narrower bandwidth
C	All these choices are correct
D	SSB signals are less susceptible to interference

31. - T8B03

Which of the following are provided by satellite tracking programs?

Select	Answer
A	The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
B	All these choices are correct
C	The apparent frequency of the satellite transmission, including effects of Doppler shift
D	Maps showing the real-time position of the satellite track over Earth

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

Select	Answer
A	Echolocation
B	Doppler radar
C	Radio direction finding
D	Phase locking

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	A satellite communications network using modified commercial satellite TV hardware
B	An internet linking protocol used to network repeaters
C	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
D	A wide-bandwidth digital voice mode employing DMR protocols

34. - T9A09

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

Select	Answer
A	236
B	50
C	112
D	6

35. - T9B10

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

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

Figure T-2