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

2. - T0B02

What is required when climbing an antenna tower?

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

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	It decreases by 50 percent
B	It increases by a factor of 3
C	There is no adjustment allowed for lower duty cycle
D	It increases by a factor of 2

4. - T1A10

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

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

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

Select	Answer
A	902.0 MHz to 902.1 MHz
B	219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
C	50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
D	All these choices are correct

6. - T1C10

How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

Select	Answer
A	As soon as your operator/station license grant appears on the ARRL website
B	As soon as you receive your license in the mail from the FCC
C	Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
D	As soon as your operator/station license grant appears in the FCC’s license database

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Only during contests
B	Only when transmitting control commands to space stations or radio control craft
C	Only when transmitting certain approved digital codes
D	Never

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

9. - T1F10

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

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

11. - T2B11

Which Q signal indicates that you are changing frequency?

Select	Answer
A	QRU
B	QSL
C	QSY
D	QRZ

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	FCC rules always apply
B	When operating a RACES station
C	When operating under special FEMA rules
D	When operating under special ARES rules

13. - T3A12

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

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

14. - T3B08

What frequency range is referred to as VHF?

Select	Answer
A	300 kHz to 3000 kHz
B	30 kHz to 300 kHz
C	30 MHz to 300 MHz
D	300 MHz to 3000 MHz

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio signals move somewhat faster than the speed of light
B	Radio waves are blocked by dust particles
C	Radio waves are not blocked by dust particles
D	The atmosphere refracts radio waves slightly

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To minimize voltage drop when transmitting
B	To avoid RF interference
C	All these choices are correct
D	To provide a good counterpoise for the antenna

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

Select	Answer
A	The Automatic Frequency Control
B	The keypad or VFO knob
C	The CTCSS or DTMF encoder
D	All these choices are correct

18. - T5A09

Which of the following describes alternating current?

Select	Answer
A	All these answers are correct
B	Current that alternates between a positive direction and zero
C	Current that alternates between positive and negative directions
D	Current that alternates between a negative direction and zero

19. - T5B05

Which is equal to 500 milliwatts?

Select	Answer
A	0.5 watts
B	0.02 watts
C	50 watts
D	5 watts

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The coulomb
B	The ampere
C	The ohm
D	The volt

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Select	Answer
A	9 volts
B	1 volt
C	10 volts
D	11 volts

22. - T6A06

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

Select	Answer
A	Diode
B	Varistor
C	Capacitor
D	Inductor

23. - T6B08

What does the abbreviation FET stand for?

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

24. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable capacitor
B	Variable resistor
C	Variable transformer
D	Variable inductor

25. - T6D02

What is a relay?

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

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Modulation
B	Oscillation
C	Low-pass filtering
D	Impedance matching

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	Immediately turn off your transmitter and contact the nearest FCC office for assistance
B	All these choices are correct
C	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
D	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

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet resistant jackets prevent harmonic radiation
B	Ultraviolet light can increase losses in the cable’s jacket
C	Ultraviolet and RF signals can mix, causing interference
D	Ultraviolet light can damage the jacket and allow water to enter the cable

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	About 150 kHz
B	Between 50 and 125 kHz
C	Less than 500 Hz
D	Between 10 and 15 kHz

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 15 meter band and the downlink is in the 10 meter band
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 operates using ultraviolet frequencies

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A beacon
B	A gateway
C	A repeater
D	A digipeater

33. - T8D11

What is an ARQ transmission system?

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

34. - T9A01

What is a beam antenna?

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

35. - T9B02

What is the most common impedance of coaxial cables used in amateur radio?

Select	Answer
A	12 ohms
B	8 ohms
C	50 ohms
D	600 ohms

Figure T-2