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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?

SelectAnswer
AUse three-wire cords and plugs for all AC powered equipment
BConnect all AC powered station equipment to a common safety ground
CAll these choices are correct
DInstall mechanical interlocks in high-voltage circuits

2. - T0B09

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

SelectAnswer
AThe 60 Hz radiations from the feed line may increase the SWR
BAll these choices are correct
CThe antenna could contact high-voltage power lines
DThe antenna will not work properly because of induced voltages

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

SelectAnswer
AIt takes into account the thermal effects of the final amplifier
BIt takes into account the antenna feed line loss
CIt affects the peak exposure to radiation
DIt affects the average exposure to radiation

4. - T1A06

What is the FCC Part 97 definition of a beacon?

SelectAnswer
AAn amateur station transmitting communications for the purposes of observing propagation or related experimental activities
BA bulletin sent by the FCC to announce a national emergency
CA government transmitter marking the amateur radio band edges
DA continuous transmission of weather information authorized in the amateur bands by the National Weather Service

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

SelectAnswer
A902.0 MHz to 902.1 MHz
B219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
C50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
DAll these choices are correct

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

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

SelectAnswer
AWhen the communication is incidental to classroom instruction at an educational institution
BWhen the communication is related to the sale of amateur equipment by the control operator's employer
CAll these choices are correct
DWhen the communication is made to obtain emergency information for a local broadcast station

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

SelectAnswer
AA General class or higher licensee with a satellite operator certification
BOnly an Amateur Extra Class operator who is also an AMSAT member
CAny amateur allowed to transmit on the satellite uplink frequency
DOnly an Amateur Extra Class operator

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

SelectAnswer
AEnglish
BEnglish, French, or Spanish
CAny language recognized by the ITU
DAny language recognized by the United Nations

10. - T2A11

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

SelectAnswer
ADiplex
BMultiplex
CSimplex
DFull duplex

11. - T2B11

Which Q signal indicates that you are changing frequency?

SelectAnswer
AQRZ
BQRU
CQSY
DQSL

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

SelectAnswer
AYes, but only when part of a FEMA emergency plan
BNo
CYes, but only when part of a RACES emergency plan
DYes, but only in situations involving the immediate safety of human life or protection of property

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

SelectAnswer
AAll these choices are correct
BMultipath propagation cancels or reinforces signals
CVHF ionospheric propagation is very sensitive to path length
DThe signal path encounters different concentrations of water vapor

14. - T3B11

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

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

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

SelectAnswer
AKnife-edge diffraction
BQuantum tunneling
CFaraday rotation
DDoppler shift

16. - T4A02

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

SelectAnswer
AThe types of modulation being used at the station
BAll these choices are correct
CThe distance that the meter will be located from the antenna
DThe frequency and power level at which the measurements will be made

17. - T4B09

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

SelectAnswer
ABy retrieving the frequencies from transceiver memory
BBy activating automatic identification
CBy entering the group’s identification code
DBy enabling the group’s CTCSS tone

18. - T5A02

Electrical power is measured in which of the following units?

SelectAnswer
AWatts
BVolts
CAmperes
DWatt-hours

19. - T5B06

Which is equal to 3000 milliamperes?

SelectAnswer
A3 amperes
B0.003 amperes
C3,000,000 amperes
D0.3 amperes

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

SelectAnswer
AP = I  E
BP = E – I
CP = I + E
DP = E / I

21. - T5D13

In which type of circuit is DC current the same through all components?

SelectAnswer
AParallel
BResonant
CBranch
DSeries

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

SelectAnswer
ASingle-pole single-throw
BDouble-pole double-throw
CDouble-pole single-throw
DSingle-pole double-throw

23. - T6B10

Which of the following can provide power gain?

SelectAnswer
ATransformer
BResistor
CReactor
DTransistor

24. - T6C09

What is component 4 in figure T-2?

SelectAnswer
ATransformer
BVariable inductor
CPotentiometer
DDouble-pole switch

25. - T6D09

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

SelectAnswer
ATransformer
BIntegrated circuit
CMulti-pole relay
DTransducer

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

SelectAnswer
ASet the amplifier for proper operation in the selected mode
BChange the frequency range of the amplifier to operate in the proper segment of the band
CReduce the received signal noise
DChange the mode of the transmitted signal

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

SelectAnswer
AImmediately turn off your transmitter and contact the nearest FCC office for assistance
BInstall a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
CMake sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
DAll these choices are correct

28. - T7C07

What happens to power lost in a feed line?

SelectAnswer
AIt increases the SWR
BIt is radiated as harmonics
CIt distorts the signal
DIt is converted into heat

29. - T7D01

Which instrument would you use to measure electric potential?

SelectAnswer
AA voltmeter
BA wavemeter
CAn ohmmeter
DAn ammeter

30. - T8A03

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

SelectAnswer
AFM
BPM
CDRM
DSSB

31. - T8B09

What causes spin fading of satellite signals?

SelectAnswer
AInterfering signals within the satellite uplink band
BDoppler shift of the received signal
CRotation of the satellite and its antennas
DCircular polarized noise interference radiated from the sun

32. - T8C11

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

SelectAnswer
AA beacon
BA repeater
CA digipeater
DA gateway

33. - T8D06

What does the abbreviation "PSK" mean?

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

34. - T9A06

Which of the following types of antenna offers the greatest gain?

SelectAnswer
AYagi
BIsotropic
C5/8 wave vertical
DJ pole

35. - T9B04

What is the major function of an antenna tuner (antenna coupler)?

SelectAnswer
AIt helps a receiver automatically tune in weak stations
BIt allows an antenna to be used on both transmit and receive
CIt automatically selects the proper antenna for the frequency band being used
DIt matches the antenna system impedance to the transceiver's output impedance

Figure T-2