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

2. - T0B04

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

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

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation is perfectly safe
B	RF radiation is limited in range to a few feet
C	RF radiation can only be detected with an RF dosimeter
D	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	The FCC Office of Spectrum Management and Coordination Policy
B	FCC Regional Field Office
C	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
D	The local chapter of the Office of National Council of Independent Frequency Coordinators

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	70 centimeters
B	2 meters
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 you receive your license in the mail from the FCC
C	As soon as your operator/station license grant appears on the ARRL website
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 certain approved digital codes
C	Only when transmitting control commands to space stations or radio control craft
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	When designated as the control operator by an Amateur Extra Class licensee
B	As part of a multi-operator contest team
C	When using a club station whose trustee holds an Amateur Extra Class license
D	At no time

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	At the end of each communication and every ten minutes during a communication
B	At the end of every transmission
C	Once during every hour
D	Never, the tactical call is sufficient

10. - T2A10

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

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

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

Select	Answer
A	Defines the minimum signal level required for access
B	Must match the repeater color code for access
C	Defines the frequency pair to use
D	Identifies the codec used

12. - T2C02

Which of the following are typical duties of a Net Control Station?

Select	Answer
A	All these choices are correct
B	Ensure that all stations checking into the net are properly licensed for operation on the net frequency
C	Choose the regular net meeting time and frequency
D	Call the net to order and direct communications between stations checking in

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

Select	Answer
A	Left-hand circular
B	Right-hand circular
C	Horizontal
D	Vertical

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	300 to 3000 MHz
B	30 to 300 MHz
C	300 to 3000 kHz
D	3 to 30 MHz

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From dawn to shortly after sunset during periods of low sunspot activity
B	From shortly after sunset to dawn during periods of high sunspot activity
C	From dawn to shortly after sunset during periods of high sunspot activity
D	From shortly after sunset to dawn during periods of low sunspot activity

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	Antenna and RF power
B	NMEA GPS location and DC power
C	Receive audio, transmit audio, and transmitter keying
D	Receive and transmit mode, status, and location

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The RIT or Clarifier
B	The bandwidth selection
C	The tone squelch
D	The AGC or limiter

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Watts
B	Volts
C	Amperes
D	Watt-hours

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	18 dB
B	10 dB
C	12 dB
D	28 dB

20. - T5C11

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

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

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	216 amperes
B	24,000 amperes
C	10 amperes
D	0.1 amperes

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	All these choices are correct
B	Nickel-metal hydride
C	Lead-acid
D	Lithium-ion

23. - T6B11

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

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

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	All these choices are correct
B	Component connections
C	Wire lengths
D	Physical appearance of components

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To decrease the resistance of DC power connections
B	To prevent coupling of unwanted signals to or from the wire
C	To couple the wire to other signals
D	To increase the current carrying capability of the wire

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	Phase modulator
D	Reactance modulator

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Installing a band-reject filter
B	Installing an RF preamplifier
C	Using double-shielded coaxial cable
D	Installing bypass capacitors on the microphone cable

28. - T7C07

What happens to power lost in a feed line?

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

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	Excessive solder
B	A bright or shiny surface
C	A rough or lumpy surface
D	Dark black spots

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Spread spectrum
B	Packet radio
C	Single sideband
D	Phase shift keying (PSK)

31. - T8B05

What is a satellite beacon?

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

32. - T8C05

What is a grid locator?

Select	Answer
A	A letter-number designator assigned to a geographic location
B	An instrument for radio direction finding
C	An instrument for neutralizing a final amplifier
D	A letter-number designator assigned to an azimuth and elevation

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	A wide-bandwidth digital voice mode employing DMR protocols
B	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
C	An internet linking protocol used to network repeaters
D	A satellite communications network using modified commercial satellite TV hardware

34. - T9A05

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

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

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Less antenna wear
B	Reduced television interference
C	All these choices are correct
D	Reduced signal loss