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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?

SelectAnswer
AOverheating or out-gassing
BInverse memory effect
CHalf-wave rectification
DExcess output ripple

2. - T0B08

Which is a proper grounding method for a tower?

SelectAnswer
AA connection between the tower base and a cold water pipe
BA single four-foot ground rod, driven into the ground no more than 12 inches from the base
CSeparate eight-foot ground rods for each tower leg, bonded to the tower and each other
DA ferrite-core RF choke connected between the tower and ground

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

SelectAnswer
AAll these choices are correct
BBy re-evaluating the station whenever an item in the transmitter or antenna system is changed
CBy making sure your antennas have low SWR
DBy informing the FCC of any changes made in your station

4. - T1A05

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

SelectAnswer
AA printed copy of the certificate of successful completion of examination
BThe license appears in the FCC ULS database
CAn email notification from the NCVEC granting the license
DAll these choices are correct

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

SelectAnswer
A100 watts
B50 watts
C200 watts
D10 watts

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

SelectAnswer
ANo, you must wait until the license has been renewed
BYes, for up to two years
CYes, for up to one year
DYes, as soon as you apply for renewal

7. - T1D04

Under what conditions is an amateur station authorized to transmit music using a phone emission?

SelectAnswer
AWhen incidental to an authorized retransmission of manned spacecraft communications
BWhen the music is transmitted above 1280 MHz
CWhen the music produces no spurious emissions
DWhen transmissions are limited to less than three minutes per hour

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

SelectAnswer
AOnly the control operator
BOnly the station licensee
CAll licensed amateurs who are present at the operation
DThe control operator and the station licensee

9. - T1F08

What is the definition of third party communications?

SelectAnswer
ATemporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
BOperation when the transmitting equipment is licensed to a person other than the control operator
CA message from a control operator to another amateur station control operator on behalf of another person
DAmateur radio communications where three stations are in communications with one another

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

SelectAnswer
A“QSY” followed by your call sign
BThe station’s call sign followed by the word “monitoring”
CThe repeater call sign followed by the station’s call sign
D“CQ CQ” followed by the repeater’s call sign

11. - T2B11

Which Q signal indicates that you are changing frequency?

SelectAnswer
AQRZ
BQRU
CQSL
DQSY

12. - T2C07

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

SelectAnswer
AUnless you are reporting an emergency, transmit only when directed by the net control station
BAll these choices are correct
CWhen first responding to the net control station, transmit your call sign, name, and address as in the FCC database
DRecord the time of each of your transmissions

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

SelectAnswer
ARandom combining of signals arriving via different paths
BFrequency shift due to Faraday rotation
CIntermodulation distortion
DInterference from thunderstorms

14. - T3B11

What is the approximate velocity of a radio wave in free space?

SelectAnswer
A150,000 miles per hour
B300,000,000 miles per hour
C300,000,000 meters per second
D150,000 meters per second

15. - T3C03

What is a characteristic of VHF signals received via auroral backscatter?

SelectAnswer
AThey are often received from 10,000 miles or more
BThey occur only during winter nighttime hours
CThey are generally strongest when your antenna is aimed west
DThey are distorted and signal strength varies considerably

16. - T4A06

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

SelectAnswer
AAntenna and RF power
BReceive audio, transmit audio, and transmitter keying
CNMEA GPS location and DC power
DReceive 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?

SelectAnswer
AThe tone squelch
BThe AGC or limiter
CThe RIT or Clarifier
DThe bandwidth selection

18. - T5A04

What are the units of electrical resistance?

SelectAnswer
AOhms
BCoulombs
CSiemens
DMhos

19. - T5B13

Which is equal to 2425 MHz?

SelectAnswer
A2425 GHz
B0.002425 GHz
C2.425 GHz
D24.25 GHz

20. - T5C07

What is the abbreviation for megahertz?

SelectAnswer
AMH
BMhz
CMHz
Dmh

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

SelectAnswer
A12 volts
B8 volts
C20 volts
D0.2 volts

22. - T6A04

What electrical component stores energy in an electric field?

SelectAnswer
AVaristor
BDiode
CInductor
DCapacitor

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

SelectAnswer
ACapacitively-coupled RF signal
BForward current
CInductively-coupled RF signal
DReverse current

24. - T6C05

What is component 4 in figure T-1?

SelectAnswer
ATransistor
BGround symbol
CResistor
DBattery

25. - T6D10

What is the function of component 2 in figure T-1?

SelectAnswer
AConvert electrical energy into radio waves
BSupply electrical energy
CControl the flow of current
DGive off light when current flows through it

26. - T7A05

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

SelectAnswer
AOscillator
BLow-pass filter
CPhase modulator
DReactance modulator

27. - T7B05

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

SelectAnswer
ASwitch the transmitter to a narrow-band mode
BBlock the amateur signal with a filter at the antenna input of the affected receiver
CSwitch the transmitter from FM to SSB
DBlock the interfering signal with a filter on the amateur transmitter

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

SelectAnswer
ATo lower the SWR on the transmission line
BBecause power supplies cannot supply enough current at high SWR
CTo protect the output amplifier transistors
DTo comply with FCC rules on spectral purity

29. - T7D08

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

SelectAnswer
ALead-tin solder
BTin-copper solder
CRosin-core solder
DAcid-core solder

30. - T8A05

Which of the following types of signal has the narrowest bandwidth?

SelectAnswer
ASSB voice
BFM voice
CSlow-scan TV
DCW

31. - T8B10

What is a LEO satellite?

SelectAnswer
AA satellite in low energy operation mode
BA satellite in low earth orbit
CA highly elliptical orbit satellite
DA sun synchronous satellite

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

SelectAnswer
AContesting
BNet operations
CPublic service events
DSimulated emergency exercises

33. - T8D06

What does the abbreviation "PSK" mean?

SelectAnswer
APhased Slide Keying
BPacket Short Keying
CPhase Shift Keying
DPulse Shift Keying

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

SelectAnswer
AThe bandwidth of the antenna will decrease, increasing SWR
BThe SWR might decrease, decreasing the signal strength
CSignal strength is reduced due to the shielding effect of the vehicle
DAll these choices are correct

35. - T9B12

What is standing wave ratio (SWR)?

SelectAnswer
AThe ratio of amplifier power output to input
BAn indication of the quality of your station’s ground connection
CA measure of how well a load is matched to a transmission line
DThe transmitter efficiency ratio

Figure T-1