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

2. - T0B02

What is required when climbing an antenna tower?

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

3. - T0C07

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

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

4. - T1A11

When is willful interference to other amateur radio stations permitted?

Select	Answer
A	When making short test transmissions
B	At no time
C	At any time, stations in the Amateur Radio Service are not protected from willful interference
D	To stop another amateur station that is breaking the FCC rules

5. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Fixed digital message forwarding systems only
B	Fast-scan television only
C	Emergency traffic only
D	Spread spectrum only

6. - T1C09

What is the grace period for renewal if an amateur license expires?

Select	Answer
A	Three years
B	Ten years
C	Five years
D	Two years

7. - T1D07

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

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

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

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At the beginning of each contact, and every 10 minutes thereafter
B	At least once during each transmission
C	At least every 15 minutes during and at the end of a communication
D	At least every 10 minutes during and at the end of a communication

10. - T2A08

What is the meaning of the procedural signal “CQ”?

Select	Answer
A	Test transmission, no reply expected
B	Only the called station should transmit
C	Call on the quarter hour
D	Calling any station

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QSB
B	QRN
C	QRM
D	QTH

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
B	Record the time of each of your transmissions
C	Unless you are reporting an emergency, transmit only when directed by the net control station
D	All these choices are correct

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

Select	Answer
A	Random combining of signals arriving via different paths
B	Interference from thunderstorms
C	Intermodulation distortion
D	Frequency shift due to Faraday rotation

14. - T3B11

What is the approximate velocity of a radio wave in free space?

Select	Answer
A	150,000 meters per second
B	150,000 miles per hour
C	300,000,000 meters per second
D	300,000,000 miles per hour

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. - T4A09

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

Select	Answer
A	Divide the battery ampere-hour rating by the average current draw of the equipment
B	Multiply the square of the current rating of the battery by the input resistance of the equipment
C	Divide the watt-hour rating of the battery by the peak power consumption 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 for messages left on a digital bulletin board
B	Tunes through a range of frequencies to check for activity
C	Checks incoming signal deviation
D	Prevents interference to nearby repeaters

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	RF current
B	Direct current
C	Alternating current
D	All these choices are correct

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	18 dB
B	12 dB
C	10 dB
D	28 dB

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	khZ
B	KHZ
C	khz
D	kHz

21. - T5D02

What formula is used to calculate voltage in a circuit?

Select	Answer
A	E = I - R
B	E = I x R
C	E = I + R
D	E = I / R

22. - T6A07

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

Select	Answer
A	Switch
B	Diode
C	Capacitor
D	Inductor

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Potentiometer
B	Thermistor
C	Transistor
D	Varistor

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Bill of materials
B	Flow chart
C	Schematic
D	Connector pinout

25. - T6D09

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

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

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	Set the amplifier for proper operation in the selected mode
C	Reduce the received signal noise
D	Change the mode of the transmitted signal

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Low-pass filter
B	Band-pass filter
C	Preamplifier
D	Ferrite choke

28. - T7C08

Which instrument can be used to determine SWR?

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

29. - T7D03

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

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

30. - T8A02

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

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

31. - T8B08

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

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

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

Select	Answer
A	A technique employed to “spot” DX stations via the internet
B	A set of rules specifying how to identify your station when linked over the internet to another station
C	A method of delivering voice communications over the internet using digital techniques
D	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet

33. - T8D10

Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

Select	Answer
A	Meteor scatter
B	Weak signal propagation beacons
C	All these choices are correct
D	Earth-Moon-Earth

34. - T9A01

What is a beam antenna?

Select	Answer
A	An antenna that concentrates signals in one direction
B	An antenna built from aluminum I-beams
C	An antenna that reverses the phase of received signals
D	An omnidirectional antenna invented by Clarence Beam

35. - T9B08

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

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