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US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

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1. - T0A09

What should be done to all external ground rods or earth connections?

SelectAnswer
AWaterproof them with silicone caulk or electrical tape
BKeep them as far apart as possible
CBond them together with heavy wire or conductive strap
DTune them for resonance on the lowest frequency of operation

2. - T0B02

What is required when climbing an antenna tower?

SelectAnswer
AAll these choices are correct
BUse appropriate tie-off to the tower at all times
CAlways wear an approved climbing harness
DHave sufficient training on safe tower climbing techniques

3. - T0C09

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

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

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

SelectAnswer
AIt is required when transmitting emergency messages
BIt is encouraged
CIt is required when in contact with foreign stations
DAll these choices are correct

5. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

SelectAnswer
AFixed digital message forwarding systems only
BFast-scan television only
CSpread spectrum only
DEmergency traffic only

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

SelectAnswer
AFrom within any country that is a member of the United Nations
BFrom within any country that belongs to the International Telecommunication Union
CFrom any vessel or craft located in international waters and documented or registered in the United States
DFrom anywhere within International Telecommunication Union (ITU) Regions 2 and 3

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

SelectAnswer
AAny transmission made by the licensed station
BTransmissions intended for reception by the general public
CTransmission of messages directed only to amateur operators
DTwo-way transmissions by amateur stations

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

SelectAnswer
AThe highest class of operator license held by anyone on the premises
BThe class of operator license held by the control operator
CThe frequencies printed on the license grant
DThe frequency authorized by the frequency coordinator

9. - T1F08

What is the definition of third party communications?

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

10. - T2A12

What should you do before calling CQ?

SelectAnswer
AAsk if the frequency is in use
BMake sure you are authorized to use that frequency
CAll these choices are correct
DListen first to be sure that no one else is using the frequency

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

SelectAnswer
ATo increase power output
BTo listen on a repeater’s output frequency
CTo reduce power output
DTo listen on a repeater’s input frequency

12. - T2C10

What information is contained in the preamble of a formal traffic message?

SelectAnswer
AThe address of the intended recipient
BThe email address of the originating station
CInformation needed to track the message
DThe telephone number of the addressee

13. - T3A07

What weather condition might decrease range at microwave frequencies?

SelectAnswer
AHigh winds
BPrecipitation
CColder temperatures
DLow barometric pressure

14. - T3B02

What property of a radio wave defines its polarization?

SelectAnswer
AThe orientation of the electric field
BThe ratio of the velocity to the wavelength
CThe orientation of the magnetic field
DThe ratio of the energy in the magnetic field to the energy in the electric field

15. - T3C03

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

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

16. - T4A05

Where should an RF power meter be installed?

SelectAnswer
AIn the feed line, between the transmitter and antenna
BIn the power supply cable, as close as possible to the radio
CAt the power supply output
DIn parallel with the push-to-talk line and the antenna

17. - T4B07

What does a DMR “code plug” contain?

SelectAnswer
AThe codec for digitizing audio
BYour call sign in CW for automatic identification
CThe DMR software version
DAccess information for repeaters and talkgroups

18. - T5A05

What is the electrical term for the force that causes electron flow?

SelectAnswer
AInductance
BVoltage
CAmpere-hours
DCapacitance

19. - T5B08

Which is equal to 1,000,000 picofarads?

SelectAnswer
A1000 microfarads
B1,000,000,000 microfarads
C0.001 microfarads
D1 microfarad

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

SelectAnswer
A0.208 watts
B4.8 watts
C14.5 watts
D30 watts

21. - T5D06

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

SelectAnswer
A48 ohms
B16 ohms
C3 ohms
D8 ohms

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

SelectAnswer
AVaractor
BAll these choices are correct
CThyratron
DFuse

23. - T6B09

What are the names for the electrodes of a diode?

SelectAnswer
AAnode and cathode
BPlus and minus
CGate and base
DSource and drain

24. - T6C10

What is component 3 in figure T-3?

SelectAnswer
AMeter
BVariable inductor
CConnector
DVariable capacitor

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

SelectAnswer
ATransistor
BDiode
CVariable capacitor
DTransformer

26. - T7A03

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

SelectAnswer
AInverter
BMixer
CPhase splitter
DAmplifier

27. - T7B05

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

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

28. - T7C03

What does a dummy load consist of?

SelectAnswer
AA non-inductive resistor mounted on a heat sink
BA high-gain amplifier and a TR switch
CA low-voltage power supply and a DC relay
DA 50-ohm reactance used to terminate a transmission line

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

SelectAnswer
AAlternating between open and short circuit
BDecreasing resistance with time
CIncreasing resistance with time
DSteady full-scale reading

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

SelectAnswer
ABetween 10 and 15 kHz
BLess than 500 Hz
CBetween 50 and 125 kHz
DAbout 150 kHz

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

SelectAnswer
AThe satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
BThe satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
CThe satellite operates using ultraviolet frequencies
DThe satellite frequencies are usually variable

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

SelectAnswer
AA repeater
BA digipeater
CA beacon
DA gateway

33. - T8D06

What does the abbreviation "PSK" mean?

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

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

SelectAnswer
AAll these choices are correct
BIt transmits only circularly polarized signals
CIt is mechanically fragile
DIt has low efficiency

35. - T9B10

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

SelectAnswer
ARG-58 cable has two shields
BRG-213 cable has less loss at a given frequency
CRG-58 cable can handle higher power levels
DThere is no significant difference between the two types

Figure T-3