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US Amateur Radio - Technician (Element 2, 2014-2018) Practice Test

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1. - T1A06

Which of the following services are protected from interference by amateur signals under all circumstances?

SelectAnswer
ALand Mobile Radio Service
BBroadcast Service
CCitizens Radio Service
DRadionavigation Service

2. - T1B10

Which of the bands above 30 MHz that are available to Technician Class operators have mode-restricted sub-bands?

SelectAnswer
AThe 2 meter and 70 cm bands
BThe 6 meter, 2 meter, and 70 cm bands
CThe 6 meter, 2 meter, and 1.25 meter bands
DThe 2 meter and 13 cm bands

3. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit, in addition to places where the FCC regulates communications?

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

4. - T1D02

On which of the following occasions may an FCC-licensed amateur station exchange messages with a U.S. military station?

SelectAnswer
ADuring a Memorial Day Celebration
BDuring a propagation test
CDuring an Independence Day celebration
DDuring an Armed Forces Day Communications Test

5. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

SelectAnswer
AThe person operating the station equipment
BThe station licensee
CThe station custodian
DThe third party participant

6. - T1F03

When is an amateur station required to transmit its assigned call sign?

SelectAnswer
AAt least every 15 minutes during and at the end of a communication
BAt least once during each transmission
CAt least every 10 minutes during and at the end of a communication
DAt the beginning of each contact, and every 10 minutes thereafter

7. - T2A01

What is the most common repeater frequency offset in the 2 meter band?

SelectAnswer
APlus or minus 600 kHz
BOnly plus 600 kHz
CPlus 500 kHz
DMinus 500 kHz

8. - T2B11

Which Q signal indicates that you are changing frequency?

SelectAnswer
AQSL
BQRZ
CQSY
DQRU

9. - T2C10

What is the preamble in a formal traffic message?

SelectAnswer
AThe information needed to track the message as it passes through the amateur radio traffic handling system
BThe priority handling indicator for the message
CThe message number
DThe first paragraph of the message text

10. - T3A02

Why are UHF signals often more effective from inside buildings than VHF signals?

SelectAnswer
AThis is incorrect; VHF works better than UHF inside buildings
BVHF signals lose power faster over distance
CUHF antennas are more efficient than VHF antennas
DThe shorter wavelength allows them to more easily penetrate the structure of buildings

11. - T3B02

What property of a radio wave is used to describe its polarization?

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

12. - T3C08

What causes tropospheric ducting?

SelectAnswer
ATemperature inversions in the atmosphere
BDischarges of lightning during electrical storms
CUpdrafts from hurricanes and tornadoes
DSunspots and solar flares

13. - T4A09

Which of the following could you use to cure distorted audio caused by RF current flowing on the shield of a microphone cable?

SelectAnswer
AFerrite choke
BLow-pass filter
CBand-pass filter
DPreamplifier

14. - T4B11

Which of the following describes the common meaning of the term "repeater offset"?

SelectAnswer
AThe distance between the repeaters transmit and receive antennas
BThe difference between the repeaters transmit and receive frequencies
CThe time delay before the repeater timer resets
DMatching the antenna impedance to the feed line impedance

15. - T5A07

Which of the following is a good electrical conductor?

SelectAnswer
AGlass
BWood
CCopper
DRubber

16. - T5B13

If a frequency readout shows a reading of 2425 MHz, what frequency is that in GHz?

SelectAnswer
A24.25 GHz
B0.002425 GHZ
C2425 GHz
D2.425 GHz

17. - T5C10

How much power is being used in a circuit when the applied voltage is 12 volts DC and the current is 2.5 amperes?

SelectAnswer
A14.5 watts
B0.208 watts
C30 watts
D4.8 watts

18. - T5D01

What formula is used to calculate current in a circuit?

SelectAnswer
ACurrent (I) equals voltage (E) multiplied by resistance (R)
BCurrent (I) equals voltage (E) minus resistance (R)
CCurrent (I) equals voltage (E) added to resistance (R)
DCurrent (I) equals voltage (E) divided by resistance (R)

19. - T6A10

Which of the following battery types is rechargeable?

SelectAnswer
ALithium-ion
BNickel-metal hydride
CLead-acid gel-cell
DAll of these choices are correct

20. - T6B03

Which of these components can be used as an electronic switch or amplifier?

SelectAnswer
ATransistor
BVoltmeter
COscillator
DPotentiometer

21. - T6C10

What is component 3 in figure T3?

SelectAnswer
AMeter
BConnector
CVariable capacitor
DVariable inductor

22. - T6D04

Which of the following can be used to display signal strength on a numeric scale?

SelectAnswer
ARelay
BMeter
CPotentiometer
DTransistor

23. - T7A01

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

SelectAnswer
ASelectivity
BLinearity
CSensitivity
DTotal Harmonic Distortion

24. - T7B07

Which of the following may be useful in correcting a radio frequency interference problem?

SelectAnswer
ASnap-on ferrite chokes
BBand-reject and band-pass filters
CLow-pass and high-pass filters
DAll of these choices are correct

25. - T7C06

What does an SWR reading of 4:1 indicate?

SelectAnswer
AImpedance mismatch
BGood impedance match
CLoss of -4dB
DGain of +4dB

26. - T7D06

Which of the following might damage a multimeter?

SelectAnswer
ALeaving the meter in the milliamps position overnight
BMeasuring a voltage too small for the chosen scale
CNot allowing it to warm up properly
DAttempting to measure voltage when using the resistance setting

27. - T8A03

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

SelectAnswer
APM
BDRM
CFM
DSSB

28. - T8B02

How much transmitter power should be used on the uplink frequency of an amateur satellite or space station?

SelectAnswer
ANever more than 1 watt
BNo more than half the rating of your linear amplifier
CThe minimum amount of power needed to complete the contact
DThe maximum power of your transmitter

29. - T8C08

What is required in place of on-air station identification when sending signals to a radio control model using amateur frequencies?

SelectAnswer
AMorse code ID must be sent once per hour
BA label indicating the licensees name, call sign and address must be affixed to the transmitter
CVoice identification must be transmitted every 10 minutes
DA flag must be affixed to the transmitter antenna with the station call sign in 1 inch high letters or larger

30. - T8D10

Which of the following can be used to transmit CW in the amateur bands?

SelectAnswer
AStraight Key
BAll of these choices are correct
CComputer Keyboard
DElectronic Keyer

31. - T9A12

What is a reason to use a properly mounted 5/8 wavelength antenna for VHF or UHF mobile service?

SelectAnswer
AThe 5/8 wavelength antenna completely eliminates distortion caused by reflected signals
BIt offers a lower angle of radiation and more gain than a 1/4 wavelength antenna and usually provides improved coverage
CThe 5/8 wavelength antenna offers a 10-times power gain over a 1/4 wavelength design
DIt features a very high angle of radiation and is better for communicating via a repeater

32. - T9B07

Which of the following is true of PL-259 type coax connectors?

SelectAnswer
AThey are water tight
BThey are a bayonet type connector
CThey are preferred for microwave operation
DThey are commonly used at HF frequencies

33. - T0A06

What is a good way to guard against electrical shock at your station?

SelectAnswer
AConnect all AC powered station equipment to a common safety ground
BAll of these choices are correct
CUse a circuit protected by a ground-fault interrupter
DUse three-wire cords and plugs for all AC powered equipment

34. - 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 connection between the tower base and a cold water pipe
CSeparate eight-foot long ground rods for each tower leg, bonded to the tower and each other
DA ferrite-core RF choke connected between the tower and ground

35. - T0C02

Which of the following frequencies has the lowest value for Maximum Permissible Exposure limit?

SelectAnswer
A3.5 MHz
B440 MHz
C1296 MHz
D50 MHz