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. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	Install mechanical interlocks in high-voltage circuits
B	Use three-wire cords and plugs for all AC powered equipment
C	Connect all AC powered station equipment to a common safety ground
D	All these choices are correct

2. - T0B07

Which of the following is an important safety rule to remember when using a crank-up tower?

Select	Answer
A	This type of tower must never be grounded
B	This type of tower must never be painted
C	All these choices are correct
D	This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It affects the average exposure to radiation
B	It affects the peak exposure to radiation
C	It takes into account the antenna feed line loss
D	It takes into account the thermal effects of the final amplifier

4. - T1A08

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

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

5. - T1B07

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

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

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur with a General or Amateur Extra Class license
B	Any licensed amateur
C	Only a licensed amateur with an Amateur Extra Class license
D	Only a licensed amateur who has been licensed continuously for more than 10 years

7. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
B	When no profit is made on the sale
C	When selling amateur radio equipment and not on a regular basis
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	As part of a multi-operator contest team
B	When using a club station whose trustee holds an Amateur Extra Class license
C	When designated as the control operator by an Amateur Extra Class licensee
D	At no time

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time upon request by an FCC representative
B	At any time ten days after notification by the FCC of such an inspection
C	At any time after written notification by the FCC of such inspection
D	Only when presented with a valid warrant by an FCC official or government agent

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	446.000 MHz
B	146.520 MHz
C	145.000 MHz
D	432.100 MHz

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A system of repeaters linked by APRS
B	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network
C	Multiple repeaters with the same control operator
D	A single repeater with more than one receiver

12. - T2C05

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

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

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The ionosphere
B	The stratosphere
C	The mesosphere
D	The troposphere

14. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

Select	Answer
A	Wavelength in meters equals frequency in hertz divided by 300
B	Wavelength in meters equals frequency in megahertz divided by 300
C	Wavelength in meters equals frequency in hertz multiplied by 300
D	Wavelength in meters equals 300 divided by frequency in megahertz

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Discharges of lightning during electrical storms
B	Sunspots and solar flares
C	Temperature inversions in the atmosphere
D	Updrafts from hurricanes and tornadoes

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	Communication using digital voice or data systems via the internet
B	RTTY encoding and decoding without a computer
C	High-speed digital communications for meteor scatter
D	FT8 digital communications via AFSK

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

Select	Answer
A	By retrieving the frequencies from transceiver memory
B	By enabling the group’s CTCSS tone
C	By entering the group’s identification code
D	By activating automatic identification

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Copper
B	Mercury
C	Glass
D	Aluminum

19. - T5B02

Which is equal to 1,500,000 hertz?

Select	Answer
A	150 kHz
B	15 GHz
C	1500 kHz
D	1500 MHz

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

Select	Answer
A	P = E – I
B	P = I  E
C	P = E / I
D	P = I + E

21. - T5D04

What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

Select	Answer
A	270 ohms
B	30 ohms
C	3 ohms
D	93 ohms

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Inductor
B	Diode
C	Varistor
D	Capacitor

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With the letter C
B	With the word "cathode"
C	With the letter K
D	With a stripe

24. - T6C01

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

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

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Transformer
B	Reflector
C	Rectifier
D	Amplifier

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

Select	Answer
A	Oscillator
B	Low-pass filter
C	Reactance modulator
D	Phase modulator

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Add a high-pass filter to the TV antenna input
B	Be sure all TV feed line coaxial connectors are installed properly
C	Add a preamplifier to the TV antenna input
D	Add a low-pass filter to the TV antenna input

28. - T7C08

Which instrument can be used to determine SWR?

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

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Acid-core solder
B	Rosin-core solder
C	Lead-tin solder
D	Tin-copper solder

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	SSB signals are easier to tune in correctly
B	SSB signals are less susceptible to interference
C	SSB signals have narrower bandwidth
D	All these choices are correct

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 uplink is in the 15 meter band and the downlink is in the 10 meter band
C	The satellite operates using ultraviolet frequencies
D	The satellite frequencies are usually variable

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	All these choices are correct
B	Register your call sign and provide proof of license
C	Purchase a license to use the EchoLink software
D	Complete the required EchoLink training

33. - T8D09

What is CW?

Select	Answer
A	A type of electromagnetic propagation
B	Another name for a Morse code transmission
C	A digital mode used primarily on 2 meter FM
D	A technique for coil winding

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Adding capacitive loading to the ends of the radiating wires
B	Inserting coils in series with radiating wires
C	Lengthening it
D	Shortening it

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	RS-213
B	DB-25
C	UHF (PL-259/SO-239)
D	Type N