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	All these choices are correct
D	It may cause injury by heating tissue

2. - T0B04

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

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

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. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	Volunteer Frequency Coordinator recognized by local amateurs
B	Frequency Spectrum Manager appointed by the FCC
C	FCC Regional Field Office
D	International Telecommunication Union

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	70 centimeters
B	20 meters
C	6 meters
D	2 meters

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Any communications that would be permitted by an international broadcast station
B	Only communications incidental to contest exchanges; all other communications are prohibited
C	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
D	Communications incidental to conducting business or remarks of a personal nature

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Two-way transmissions by amateur stations
B	Transmissions intended for reception by the general public
C	Transmission of messages directed only to amateur operators
D	Any transmission made by the licensed station

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

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

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	The foreign station must be in a country with which the U.S. has a third party agreement
B	The person must be a U.S. citizen
C	The licensed control operator must do the station identification
D	All these choices are correct

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	Conduct tests only between 10 p.m. and 6 a.m. local time
B	Identify the transmitting station
C	All these choices are correct
D	Notify the FCC of the transmissions

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	So stations within range of each other can communicate without tying up a repeater
D	For contest operation

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	A list of stations that have relayed the message
B	The number of words or word equivalents in the text portion of the message
C	The call sign of the originating station
D	A box on the message form that indicates that the message was received and/or relayed

13. - T3A08

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

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

14. - T3B11

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

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

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	UHF signals are usually not propagated by the ionosphere
B	They are too weak to go very far
C	FCC regulations prohibit them from going more than 50 miles
D	UHF signals are absorbed by the ionospheric D region

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 that assists in manual sending of Morse code
D	A device for switching antennas from transmit to receive

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	All these choices are correct
B	Increased SWR
C	Frequency instability
D	Distorted transmitted audio

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. - T5B10

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

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

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	mh
B	MH
C	MHz
D	Mhz

21. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Series
B	Branch
C	Parallel
D	Resonant

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Capacitor
B	Varistor
C	Inductor
D	Diode

23. - T6B05

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

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

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Transistor
B	Lamp
C	Resistor
D	Ground symbol

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Resistor
B	Potentiometer
C	Zener diode
D	Capacitor

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	A voltage divider
B	An RF power amplifier
C	An impedance network
D	All these choices are correct

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Select	Answer
A	All these choices are correct
B	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
C	Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
D	Immediately turn off your transmitter and contact the nearest FCC office for assistance

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To prevent transmitting signals over the air when making tests
B	To improve the signal-to-noise ratio of a receiver
C	To prevent over-modulation of a transmitter
D	To improve the efficiency of an antenna

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Impedance and reactance
B	Signal strength and noise
C	All these choices are correct
D	Voltage and resistance

30. - T8A08

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

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

31. - T8B05

What is a satellite beacon?

Select	Answer
A	An indicator light that shows where to point your antenna
B	The primary transmit antenna on the satellite
C	A reflective surface on the satellite
D	A transmission from a satellite that contains status information

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By using DTMF signals
B	By obtaining a password that is sent via voice to the node
C	By using CTCSS tone codes
D	By entering the proper internet password

33. - T8D11

What is an ARQ transmission system?

Select	Answer
A	An error correction method in which the receiving station detects errors and sends a request for retransmission
B	A system used to encrypt command signals to an amateur radio satellite
C	A special transmission format limited to video signals
D	A method of compressing data using autonomous reiterative Q codes prior to final encoding

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 omnidirectional antenna invented by Clarence Beam
D	An antenna built from aluminum I-beams

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The characteristic impedance increases
B	The characteristic impedance decreases
C	The loss decreases
D	The loss increases

Figure T-1