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US Amateur Radio - Technician (Element 2, 2018-2022) Practice Test

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1. - T0A02

What health hazard is presented by electrical current flowing through the body?

SelectAnswer
AAll of these choices are correct
BIt may cause injury by heating tissue
CIt may cause involuntary muscle contractions
DIt may disrupt the electrical functions of cells

2. - T0B08

What is considered to be a proper grounding method for a tower?

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

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

SelectAnswer
AFrequency and power level of the RF field
BAll of these choices are correct
CDistance from the antenna to a person
DRadiation pattern of the antenna

4. - T1A06

What is the FCC Part 97 definition of a beacon?

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

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

SelectAnswer
ATo allow for transmitter frequency drift
BAll of these choices are correct
CTo allow for calibration error in the transmitter frequency display
DSo that modulation sidebands do not extend beyond the band edge

6. - T1C07

What may result when correspondence from the FCC is returned as undeliverable because the grantee failed to provide and maintain a correct mailing address with the FCC?

SelectAnswer
AFine or imprisonment
BA reduction of one rank in operator class
CRevocation of the station license or suspension of the operator license
DRequire the licensee to be re-examined

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

SelectAnswer
AThe ITU maintains a list of words that are not permitted to be used on amateur frequencies
BThere is no such prohibition
CAny such language is prohibited
DThe FCC maintains a list of words that are not permitted to be used on amateur frequencies

8. - T1E05

What is an amateur station control point?

SelectAnswer
AThe location of the station transmitting apparatus
BThe location at which the control operator function is performed
CThe location of the station’s transmitting antenna
DThe mailing address of the station licensee

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

SelectAnswer
ASend the call sign using only a phone emission
BSend the call sign followed by the indicator RPT
CSend the call sign using a CW or phone emission
DSend the call sign followed by the indicator R

10. - T2A08

What is the meaning of the procedural signal “CQ”?

SelectAnswer
ACall on the quarter hour
BOnly the called station should transmit
CCalling any station
DA new antenna is being tested (no station should answer)

11. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

SelectAnswer
ACTCSS
BTone burst
CCarrier squelch
DDTMF

12. - T2C10

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

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

13. - T3A09

Which of the following results from the fact that skip signals refracted from the ionosphere are elliptically polarized?

SelectAnswer
ADigital modes are unusable
BFM voice is unusable
CBoth the transmitting and receiving antennas must be of the same polarization
DEither vertically or horizontally polarized antennas may be used for transmission or reception

14. - T3B07

What property of radio waves is often used to identify the different frequency bands?

SelectAnswer
AThe approximate wavelength
BThe magnetic intensity of waves
CThe voltage standing wave ratio of waves
DThe time it takes for waves to travel one mile

15. - T3C11

Why do VHF and UHF radio signals usually travel somewhat farther than the visual line of sight distance between two stations?

SelectAnswer
ARadio waves are blocked by dust particles
BRadio waves are not blocked by dust particles
CThe Earth seems less curved to radio waves than to light
DRadio signals move somewhat faster than the speed of light

16. - T4A11

Where should the negative return connection of a mobile transceiver's power cable be connected?

SelectAnswer
AAt the antenna mount
BTo any metal part of the vehicle
CAt the battery or engine block ground strap
DThrough the transceiver’s mounting bracket

17. - T4B10

Which of the following is an appropriate receive filter bandwidth for minimizing noise and interference for CW reception?

SelectAnswer
A1000 Hz
B5000 Hz
C500 Hz
D2400 Hz

18. - T5A07

Which of the following is a good electrical conductor?

SelectAnswer
ARubber
BWood
CGlass
DCopper

19. - T5B08

How many microfarads are equal to 1,000,000 picofarads?

SelectAnswer
A0.001 microfarads
B1,000,000,000 microfarads
C1000 microfarads
D1 microfarad

20. - T5C06

What does the abbreviation “RF” refer to?

SelectAnswer
ARadio frequency signals of all types
BThe resonant frequency of a tuned circuit
CReflective force in antenna transmission lines
DThe real frequency transmitted as opposed to the apparent frequency

21. - T5D06

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

SelectAnswer
A16 ohms
B3 ohms
C48 ohms
D8 ohms

22. - T6A10

Which of the following battery types is rechargeable?

SelectAnswer
AAll of these choices are correct
BLead-acid gel-cell
CLithium-ion
DNickel-metal hydride

23. - T6B08

What does the abbreviation FET stand for?

SelectAnswer
AFree Electron Transmitter
BFast Electron Transistor
CField Effect Transistor
DFrequency Emission Transmitter

24. - T6C13

Which of the following is accurately represented in electrical schematics?

SelectAnswer
APhysical appearance of components
BThe way components are interconnected
CWire lengths
DAll of these choices are correct

25. - T6D09

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

SelectAnswer
ATransformer
BIntegrated circuit
CTransducer
DMulti-pole relay

26. - T7A10

What device increases the low-power output from a handheld transceiver?

SelectAnswer
AAn impedance network
BA voltage divider
CAn RF power amplifier
DAll of these choices are correct

27. - T7B09

What is a Part 15 device?

SelectAnswer
AA type of test set used to determine whether a transmitter complies with FCC regulation 91.15
BAn amplifier that has been type-certified for amateur radio
CA device for long-distance communications using special codes sanctioned by the International Amateur Radio Union
DAn unlicensed device that may emit low-powered radio signals on frequencies used by a licensed service

28. - T7C02

Which of the following instruments can be used to determine if an antenna is resonant at the desired operating frequency?

SelectAnswer
AAn antenna analyzer
BA Q meter
CA frequency counter
DA VTVM

29. - T7D10

What is probably happening when an ohmmeter, connected across an unpowered circuit, initially indicates a low resistance and then shows increasing resistance with time?

SelectAnswer
AThe circuit contains a large capacitor
BThe ohmmeter is defective
CThe circuit contains a large inductor
DThe circuit is a relaxation oscillator

30. - T8A09

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

SelectAnswer
AAbout 150 kHz
BBetween 10 and 15 kHz
CBetween 50 and 125 kHz
DLess than 500 Hz

31. - T8B03

Which of the following are provided by satellite tracking programs?

SelectAnswer
AAll of these choices are correct
BThe time, azimuth, and elevation of the start, maximum altitude, and end of a pass
CThe apparent frequency of the satellite transmission, including effects of Doppler shift
DMaps showing the real-time position of the satellite track over the earth

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

SelectAnswer
AA technique for measuring signal strength of an amateur transmitter via the internet
BA system for informing amateurs in real time of the frequency of active DX stations
CA system for providing access to websites via amateur radio
DA technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)

33. - T8D10

Which of the following operating activities is supported by digital mode software in the WSJT suite?

SelectAnswer
AMoonbounce or Earth-Moon-Earth
BWeak-signal propagation beacons
CMeteor scatter
DAll of these choices are correct

34. - T9A02

Which of the following describes a type of antenna loading?

SelectAnswer
AInserting a resistor in the radiating portion of the antenna to make it resonant
BStrengthening the radiating elements of a beam antenna to better resist wind damage
CInserting an inductor in the radiating portion of the antenna to make it electrically longer
DInstalling a spring in the base of a mobile vertical antenna to make it more flexible

35. - T9B04

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

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