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. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

Select	Answer
A	In series with the hot conductor only
B	In series with the hot and neutral conductors
C	In parallel with the hot and neutral conductors
D	In parallel with the hot conductor only

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	When no mechanical work is being performed
B	When the work being done is not more than 20 feet above the ground
C	When no electrical work is being performed
D	Never

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Lower frequency RF fields do not penetrate the human body
B	The human body absorbs more RF energy at some frequencies than at others
C	Lower frequency RF fields have more energy than higher frequency fields
D	Higher frequency RF fields are transient in nature

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	A printed copy of the certificate of successful completion of examination
B	The license appears in the FCC ULS database
C	An email notification from the NCVEC granting the license
D	All these choices are correct

5. - T1B04

Which amateur band includes 146.52 MHz?

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

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

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	Never
C	When selling amateur radio equipment and not on a regular basis
D	When no profit is made on the sale

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	The station licensee
B	The frequency coordinator
C	Any licensed operator
D	The FCC

9. - T1F01

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

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

10. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Diplex
B	Simplex
C	Multiplex
D	Full duplex

11. - T2B09

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

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

12. - T2C07

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

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

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	There is little effect
C	Deflection
D	Range increase

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C08

What causes tropospheric ducting?

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

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	The types of modulation being used at the station
B	The distance that the meter will be located from the antenna
C	The frequency and power level at which the measurements will be made
D	All these choices are correct

17. - T4B09

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

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

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Watts
B	Ohms
C	Amperes
D	Volts

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	0.3 amperes
B	3 amperes
C	0.003 amperes
D	3,000,000 amperes

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

Select	Answer
A	0.1 amperes
B	10 amperes
C	132 amperes
D	12 amperes

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	3 ohms
B	8 ohms
C	16 ohms
D	48 ohms

22. - T6A11

Which of the following battery chemistries is not rechargeable?

Select	Answer
A	Lead-acid
B	Lithium-ion
C	Carbon-zinc
D	Nickel-cadmium

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Triode
B	Transistor
C	Pentagrid converter
D	Alternator

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Variable capacitor
B	Connector
C	Meter
D	Variable inductor

25. - T6D09

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

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

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Phase splitter
B	Amplifier
C	Mixer
D	Inverter

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

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It is converted into heat
B	It distorts the signal
C	It is radiated as harmonics
D	It increases the SWR

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	15 kHz
B	150 Hz
C	2.4 kHz
D	1000 Hz

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Doppler shift of the received signal
B	Interfering signals within the satellite uplink band
C	Circular polarized noise interference radiated from the sun
D	Rotation of the satellite and its antennas

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. - T8D13

What is FT8?

Select	Answer
A	A digital slow-scan TV mode with forward error correction and automatic color compensation
B	A wideband FM voice mode
C	An eight channel multiplex mode for FM repeaters
D	A digital mode capable of low signal-to-noise operation

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It radiates at a very high angle
B	It has more gain than a 1/4-wavelength antenna
C	It has 10 times the power gain of a 1/4 wavelength whip
D	It eliminates distortion caused by reflected signals

35. - T9B02

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

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

Figure T-3