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. - T0A11

What hazard exists in a power supply immediately after turning it off?

Select	Answer
A	Charge stored in filter capacitors
B	Circulating currents in the dc filter
C	Leakage flux in the power transformer
D	Voltage transients from kickback diodes

2. - T0B02

What is required when climbing an antenna tower?

Select	Answer
A	Have sufficient training on safe tower climbing techniques
B	Use appropriate tie-off to the tower at all times
C	All these choices are correct
D	Always wear an approved climbing harness

3. - T0C13

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

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

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	All these choices are correct
B	A radio service using amateur stations for emergency management or civil defense communications
C	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
D	A radio service using amateur frequencies for emergency management or civil defense communications

5. - T1B01

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

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

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

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Beacon, repeater, or space stations
B	Earth, repeater, or space stations
C	Auxiliary, beacon, or Earth stations
D	Repeater, auxiliary, or space stations

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The frequencies printed on the license grant
B	The highest class of operator license held by anyone on the premises
C	The frequency authorized by the frequency coordinator
D	The class of operator license held by the control operator

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	The club must be registered with the American Radio Relay League
B	The trustee must have an Amateur Extra Class operator license grant
C	The club must have at least four members
D	All these choices are correct

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	“CQ CQ” followed by the repeater’s call sign
C	The station’s call sign followed by the word “monitoring”
D	The repeater call sign followed by the station’s call sign

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	Use subaudible tones so both stations can share the frequency
C	The stations should negotiate continued use of the frequency
D	Interference is inevitable, so no action is required

12. - T2C08

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

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

13. - T3A01

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

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

14. - T3B04

What is the velocity of a radio wave traveling through free space?

Select	Answer
A	Speed of sound
B	Speed inversely proportional to its wavelength
C	Speed that increases as the frequency increases
D	Speed of light

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	Sporadic E
B	D region absorption
C	Backscatter
D	Gray-line propagation

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	Receive audio, transmit audio, and transmitter keying
B	NMEA GPS location and DC power
C	Antenna and RF power
D	Receive and transmit mode, status, and location

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	The codec type being used
B	Your call sign
C	All these choices are correct
D	Your output power

18. - T5A05

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

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

19. - T5B10

Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

Select	Answer
A	-9 dB
B	-3 dB
C	-1 dB
D	-6 dB

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

Select	Answer
A	14.5 watts
B	0.208 watts
C	4.8 watts
D	30 watts

21. - T5D07

What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

Select	Answer
A	200 amperes
B	1.5 amperes
C	0.667 amperes
D	9600 amperes

22. - T6A08

What is the function of an SPDT switch?

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

23. - T6B08

What does the abbreviation FET stand for?

Select	Answer
A	Field Effect Transistor
B	Fast Electron Transistor
C	Free Electron Transmitter
D	Frequency Emission Transmitter

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Ground symbol
B	Resistor
C	Transistor
D	Lamp

25. - T6D02

What is a relay?

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

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Provides a transmit tuning tone when grounded
B	Input for a preamplifier tuning tone
C	Switches transceiver from receive to transmit when grounded
D	Input for a key used to send CW

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
B	Work with your neighbor to identify the offending device
C	Make sure your station meets the standards of good amateur practice
D	All these choices are correct

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	50:50
C	Full Scale
D	1:1

29. - T7D09

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

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

30. - T8A01

Which of the following is a form of amplitude modulation?

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

31. - T8B08

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

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

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	IRLP
C	EchoLink
D	D-STAR

33. - T8D01

Which of the following is a digital communications mode?

Select	Answer
A	FT8
B	Packet radio
C	All these choices are correct
D	IEEE 802.11

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	50
B	112
C	19
D	12

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	An indication of the quality of your station’s ground connection
B	The transmitter efficiency ratio
C	The ratio of amplifier power output to input
D	A measure of how well a load is matched to a transmission line

Figure T-1