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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may disrupt the electrical functions of cells
B	It may cause involuntary muscle contractions
C	It may cause injury by heating tissue
D	All these choices are correct

2. - T0B04

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

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

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	Frequency and power level of the RF field
D	Radiation pattern of the antenna

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Providing personal radio communications for as many citizens as possible
B	Providing communications for international non-profit organizations
C	Advancing skills in the technical and communication phases of the radio art
D	All these choices are correct

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	49.00 MHz
B	28.50 MHz
C	52.525 MHz
D	222.15 MHz

6. - T1C01

For which license classes are new licenses currently available from the FCC?

Select	Answer
A	Technician, General, Amateur Extra
B	Novice, Technician, General, Amateur Extra
C	Technician, Technician Plus, General, Amateur Extra
D	Novice, Technician Plus, General, Advanced

7. - T1D04

Under what conditions is an amateur station authorized to transmit music using a phone emission?

Select	Answer
A	When incidental to an authorized retransmission of manned spacecraft communications
B	When the music is transmitted above 1280 MHz
C	When transmissions are limited to less than three minutes per hour
D	When the music produces no spurious emissions

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	Only an Amateur Extra Class operator
B	Any amateur allowed to transmit on the satellite uplink frequency
C	Only an Amateur Extra Class operator who is also an AMSAT member
D	A General class or higher licensee with a satellite operator certification

9. - T1F09

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

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

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A voluntary guideline for using different modes or activities within an amateur band
B	A list of available net frequencies
C	A list of operating schedules
D	A plan devised by a club to indicate frequency band usage

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	So stations with simple transmitters can access the repeater without automated offset
B	For working DX only
C	For contest operation
D	So stations within range of each other can communicate without tying up a repeater

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	Requests to activate the net by a served agency
B	The number of stations checking in and out of a net
C	Messages exchanged by net stations
D	Operation by mobile or portable stations

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	There is little effect
B	Deflection
C	Range increase
D	Absorption

14. - T3B04

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

Select	Answer
A	Speed of sound
B	Speed that increases as the frequency increases
C	Speed inversely proportional to its wavelength
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	Backscatter
B	Gray-line propagation
C	D region absorption
D	Sporadic E

16. - T4A09

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

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

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Enable squelch enhancement
B	Turn on the anti-squelch function
C	Turn up the audio level until it overcomes the squelch threshold
D	Set the squelch threshold so that receiver output audio is on all the time

18. - T5A10

Which term describes the rate at which electrical energy is used?

Select	Answer
A	Power
B	Current
C	Resistance
D	Voltage

19. - T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

Select	Answer
A	2 dB
B	5 dB
C	10 dB
D	3 dB

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	MHz
B	MH
C	Mhz
D	mh

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	9600 amperes
B	0.667 amperes
C	200 amperes
D	1.5 amperes

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Diode
B	Varistor
C	Capacitor
D	Inductor

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	Forward voltage drop
B	Gain
C	Forward resistance
D	On resistance

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Variable inductor
B	Double-pole switch
C	Transformer
D	Potentiometer

25. - T6D09

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

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

26. - T7A02

What is a transceiver?

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

27. - T7B08

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

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

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A high-gain amplifier and a TR switch
B	A non-inductive resistor mounted on a heat sink
C	A 50-ohm reactance used to terminate a transmission line
D	A low-voltage power supply and a DC relay

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	6 kHz
B	1 kHz
C	15 kHz
D	3 kHz

31. - T8B10

What is a LEO satellite?

Select	Answer
A	A satellite in low earth orbit
B	A satellite in low energy operation mode
C	A highly elliptical orbit satellite
D	A sun synchronous satellite

32. - T8C01

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

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

33. - T8D01

Which of the following is a digital communications mode?

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

34. - T9A01

What is a beam antenna?

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

35. - T9B10

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

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

Figure T-2