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

2. - T0B09

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

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

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Relocate antennas
B	Increase the duty cycle
C	Relocate the transmitter
D	All these choices are correct

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	All these choices are correct
B	It is encouraged
C	It is required when transmitting emergency messages
D	It is required when in contact with foreign stations

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	28.50 MHz
B	49.00 MHz
C	222.15 MHz
D	52.525 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	Fine and suspension of operator license
C	Nothing; there is no such requirement
D	Revocation of access to the license record in the FCC system

7. - T1D01

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

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

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	When the transmitting station is an auxiliary station
B	Never
C	When using automatic control, such as in the case of a repeater
D	When the station licensee is away and another licensed amateur is using the station

9. - T1F10

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

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

10. - T2A07

What is meant by "repeater offset”?

Select	Answer
A	The difference between a repeater’s transmit and receive frequencies
B	The number of simultaneous transmit frequencies used by a repeater
C	The repeater has a time delay to prevent interference
D	The repeater station identification is done on a separate frequency

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	D-STAR
B	CTCSS
C	DTMF
D	GPRS

12. - T2C06

What is the Amateur Radio Emergency Service (ARES)?

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

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

Select	Answer
A	VHF ionospheric propagation is very sensitive to path length
B	The signal path encounters different concentrations of water vapor
C	Multipath propagation cancels or reinforces signals
D	All these choices are correct

14. - T3B07

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

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

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	Faraday rotation
C	Knife-edge diffraction
D	Quantum tunneling

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
B	Multiply the square of the current rating of the battery by the input resistance of the equipment
C	Divide the battery ampere-hour rating by the average current draw of the equipment
D	Multiply the watts per hour consumed by the equipment by the battery power rating

17. - T4B05

What does the scanning function of an FM transceiver do?

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

18. - T5A12

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

Select	Answer
A	Pulse rate
B	Wavelength
C	Frequency
D	Speed

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C01

What describes the ability to store energy in an electric field?

Select	Answer
A	Resistance
B	Capacitance
C	Tolerance
D	Inductance

21. - T5D12

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

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

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	A single circuit is opened or closed
B	Two circuits are opened or closed
C	A single circuit is switched between one of two other circuits
D	Two circuits are each switched between one of two other circuits

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Bipolar junction
B	Tesla-effect
C	Field-effect
D	Varistor

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Resistor
B	Regulator IC
C	Inductor
D	Light emitting diode

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To couple the wire to other signals
B	To prevent coupling of unwanted signals to or from the wire
C	To increase the current carrying capability of the wire
D	To decrease the resistance of DC power connections

26. - T7A01

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

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

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Using double-shielded coaxial cable
B	Installing an RF preamplifier
C	Installing bypass capacitors on the microphone cable
D	Installing a band-reject filter

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

Select	Answer
A	A VTVM
B	An antenna analyzer
C	A Q meter
D	A frequency counter

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	Dark black spots
B	A rough or lumpy surface
C	Excessive solder
D	A bright or shiny surface

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

Select	Answer
A	SSB
B	AM
C	PSK
D	FM or PM

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	Check your signal strength report in the telemetry data
B	All these choices are correct
C	Listen for distortion on your downlink signal
D	Your signal strength on the downlink should be about the same as the beacon

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	DMR
B	EchoLink
C	D-STAR
D	IRLP

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
B	Providing information on the number of stations signed into a repeater
C	Showing automatically the number of packets transmitted via PACTOR during a specific time interval
D	Providing voice over internet connection between repeaters

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

Select	Answer
A	All these choices are correct
B	The bandwidth of the antenna will decrease, increasing SWR
C	Signal strength is reduced due to the shielding effect of the vehicle
D	The SWR might decrease, decreasing the signal strength

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	All these choices are correct
B	Water intrusion into coaxial connectors
C	High SWR
D	Multiple connectors in the line

Figure T-2