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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Excess output ripple
B	Inverse memory effect
C	Half-wave rectification
D	Overheating or out-gassing

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	All these choices are correct
B	The antenna could contact high-voltage power lines
C	The 60 Hz radiations from the feed line may increase the SWR
D	The antenna will not work properly because of induced voltages

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

4. - T1A08

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

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

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.500 MHz to 28.600 MHz
B	28.100 MHz to 28.300 MHz
C	28.050 MHz to 28.150 MHz
D	28.300 MHz to 28.500 MHz

6. - T1C02

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

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

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

8. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The location of the station’s transmitting antenna
B	The location of the station’s transmitting apparatus
C	The location at which the control operator function is performed
D	The mailing address of the station licensee

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	The trustee must have an Amateur Extra Class operator license grant
B	All these choices are correct
C	The club must have at least four members
D	The club must be registered with the American Radio Relay League

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit a signal report followed by your call sign
B	Transmit "CQ" followed by the other station’s call sign
C	Transmit the other station’s call sign followed by your call sign
D	Transmit your call sign followed by the other station’s call sign

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

Select	Answer
A	Join the repeater owner’s club
B	Program your radio with the group’s ID or code
C	Sign your call after the courtesy tone
D	Register your radio with the local FCC office

12. - T2C07

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

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

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	The modulation sidebands might become inverted
B	Signals have an echo effect
C	Nothing significant will happen
D	Received signal strength is reduced

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength and frequency increase as path length increases
B	Wavelength and frequency are unrelated
C	Wavelength gets longer as frequency increases
D	Wavelength gets shorter as frequency increases

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	All these choices are correct
B	23 centimeters
C	6 and 10 meters
D	70 centimeters and 1.25 meters

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	13.8 volts at 4 amperes
B	24.0 volts at 4 amperes
C	24.0 volts at 12 amperes
D	13.8 volts at 12 amperes

17. - T4B05

What does the scanning function of an FM transceiver do?

Select	Answer
A	Checks incoming signal deviation
B	Tunes through a range of frequencies to check for activity
C	Checks for messages left on a digital bulletin board
D	Prevents interference to nearby repeaters

18. - T5A02

Electrical power is measured in which of the following units?

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

19. - T5B07

Which is equal to 3.525 MHz?

Select	Answer
A	3525 kHz
B	0.003525 kHz
C	3,525,000 kHz
D	35.25 kHz

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. - T5D01

What formula is used to calculate current in a circuit?

Select	Answer
A	I = E  R
B	I = E / R
C	I = E - R
D	I = E + R

22. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

Select	Answer
A	Oscillator
B	Capacitor
C	Potentiometer
D	Resistor

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Signal, bias, power
B	Pole one, pole two, output
C	Emitter, base, collector
D	Input, output, supply

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Regulator IC
B	Inductor
C	Light emitting diode
D	Resistor

25. - T6D01

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

Select	Answer
A	Reflector
B	Transformer
C	Rectifier
D	Amplifier

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Selectivity
B	Sensitivity
C	Linearity
D	Total Harmonic Distortion

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Switch the transmitter from FM to SSB
B	Block the amateur signal with a filter at the antenna input of the affected receiver
C	Switch the transmitter to a narrow-band mode
D	Block the interfering signal with a filter on the amateur transmitter

28. - T7C07

What happens to power lost in a feed line?

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

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. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	DRM
B	PM
C	FM
D	SSB

31. - T8B04

What mode of transmission is commonly used by amateur radio satellites?

Select	Answer
A	SSB
B	CW/data
C	FM
D	All these choices are correct

32. - T8C05

What is a grid locator?

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

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 internet linking protocol used to network repeaters
C	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
D	A satellite communications network using modified commercial satellite TV hardware

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	112
B	50
C	236
D	6

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-58 cable can handle higher power levels
B	RG-58 cable has two shields
C	There is no significant difference between the two types
D	RG-213 cable has less loss at a given frequency

Figure T-2