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

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1. - T1A11

When is willful interference to other amateur radio stations permitted?

SelectAnswer
AAt any time, amateurs are not protected from willful interference
BOnly during a contest
CAt no time
DOnly if the station being interfered with is expressing extreme religious or political views

2. - T1B03

Which frequency is within the 6 meter band?

SelectAnswer
A49.00 MHz
B28.50 MHz
C52.525 MHz
D222.15 MHz

3. - T1C13

For which licenses classes are new licenses currently available from the FCC?

SelectAnswer
ANovice, Technician Plus, General, Advanced
BNovice, Technician, General, Advanced
CTechnician, General, Amateur Extra
DTechnician, Technician Plus, General, Advanced

4. - T1D04

What is the only time an amateur station is authorized to transmit music?

SelectAnswer
AWhen the music produces no spurious emissions
BWhen the music is transmitted above 1280 MHz
CWhen incidental to an authorized retransmission of manned spacecraft communications
DWhen the purpose is to interfere with an illegal transmission

5. - T1E03

Who must designate the station control operator?

SelectAnswer
AThe ITU
BThe frequency coordinator
CThe FCC
DThe station licensee

6. - T1F08

Which indicator is required by the FCC to be transmitted after a station call sign?

SelectAnswer
A/KT, /AE or /AG when using new license privileges earned by CSCE while waiting for an upgrade to a previously issued license to appear in the FCC license database
B/ followed the FCC Region number when operating out of the region in which the license was issued
C/M when operating mobile
D/R when operating a repeater

7. - T2A08

What is the meaning of the procedural signal CQ?

SelectAnswer
ACalling any station
BCall on the quarter hour
COnly the called station should transmit
DA new antenna is being tested (no station should answer)

8. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

SelectAnswer
AWhoever has been on the frequency the longest has priority on the frequency
BThe station which has the weakest signal has priority on the frequency
CWhoever has the strongest signal has priority on the frequency
DCommon courtesy should prevail, but no one has absolute right to an amateur frequency

9. - T2C05

Which of the following describes the Radio Amateur Civil Emergency Service (RACES)?

SelectAnswer
AA radio service using amateur stations for emergency management or civil defense communications
BAn emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
CAll of these choices are correct
DA radio service using amateur frequencies for emergency management or civil defense communications

10. - T3A06

What term is commonly used to describe the rapid fluttering sound sometimes heard from mobile stations that are moving while transmitting?

SelectAnswer
AFlip-flopping
BPulsing
CFrequency shifting
DPicket fencing

11. - T3B09

What are the frequency limits of the UHF spectrum?

SelectAnswer
A300 to 3000 MHz
B300 to 3000 kHz
C30 to 300 MHz
D30 to 300 kHz

12. - T3C08

What causes tropospheric ducting?

SelectAnswer
AUpdrafts from hurricanes and tornadoes
BSunspots and solar flares
CTemperature inversions in the atmosphere
DDischarges of lightning during electrical storms

13. - T4A12

What could be happening if another operator reports a variable high-pitched whine on the audio from your mobile transmitter?

SelectAnswer
ANoise on the vehicles electrical system is being transmitted along with your speech audio
BYou need to adjust your squelch control
CYour microphone is picking up noise from an open window
DYou have the volume on your receiver set too high

14. - T4B02

Which of the following can be used to enter the operating frequency on a modern transceiver?

SelectAnswer
AThe CTCSS or DTMF encoder
BThe keypad or VFO knob
CThe Automatic Frequency Control
DAll of these choices are correct

15. - T5A08

Which of the following is a good electrical insulator?

SelectAnswer
ACopper
BGlass
CAluminum
DMercury

16. - T5B01

How many milliamperes is 1.5 amperes?

SelectAnswer
A1,500 milliamperes
B15 milliamperes
C150 milliamperes
D15,000 milliamperes

17. - T5C06

What does the abbreviation RF refer to?

SelectAnswer
AThe real frequency transmitted as opposed to the apparent frequency
BThe resonant frequency of a tuned circuit
CRadio frequency signals of all types
DReflective force in antenna transmission lines

18. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

SelectAnswer
A9 volts
B11 volts
C10 volts
D1 volt

19. - T6A08

What electrical component is used to connect or disconnect electrical circuits?

SelectAnswer
AThermistor
BAll of these choices are correct
CSwitch
DMagnetron

20. - T6B05

Which of the following electronic components can amplify signals?

SelectAnswer
AMulti-cell battery
BTransistor
CElectrolytic capacitor
DVariable resistor

21. - T6C10

What is component 3 in figure T3?

SelectAnswer
AMeter
BVariable inductor
CConnector
DVariable capacitor

22. - T6D11

What is a simple resonant or tuned circuit?

SelectAnswer
AAn inductor and a capacitor connected in series or parallel to form a filter
BA circuit designed to provide high fidelity audio
CA type of voltage regulator
DA resistor circuit used for reducing standing wave ratio

23. - T7A11

Where is an RF preamplifier installed?

SelectAnswer
AAt the receiver's audio output
BBetween the antenna and receiver
CAt the output of the transmitter's power amplifier
DBetween a transmitter and antenna tuner

24. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

SelectAnswer
AThe transmitter will not stay on the desired frequency
BExcessive SWR at the antenna connection
CFrequent blowing of power supply fuses
DReports of garbled, distorted, or unintelligible transmissions

25. - T7C09

Which of the following is the most common cause for failure of coaxial cables?

SelectAnswer
AGamma rays
BMoisture contamination
COverloading
DThe velocity factor exceeds 1.0

26. - T7D12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

SelectAnswer
AEnsure that the voltmeter is set to the correct frequency
BEnsure that the voltmeter has very low impedance
CEnsure that the circuit is grounded through the voltmeter
DEnsure that the voltmeter and leads are rated for use at the voltages to be measured

27. - T8A11

What is the approximate maximum bandwidth required to transmit a CW signal?

SelectAnswer
A15 kHz
B2.4 kHz
C150 Hz
D1000 Hz

28. - T8B09

What causes spin fading when referring to satellite signals?

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

29. - T8C03

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

SelectAnswer
AContesting
BNet operations
CSimulated emergency exercises
DPublic service events

30. - T8D07

What is PSK31?

SelectAnswer
AA high-rate data transmission mode
BA method of reducing noise interference to FM signals
CA method of compressing digital television signals
DA low-rate data transmission mode

31. - T9A09

What is the approximate length, in inches, of a 6 meter 1/2-wavelength wire dipole antenna?

SelectAnswer
A50
B112
C236
D6

32. - T9B07

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

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

33. - 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
BUse a circuit protected by a ground-fault interrupter
CConnect all AC powered station equipment to a common safety ground
DAll of these choices are correct

34. - T0B07

Which of the following is an important safety rule to remember when using a crank-up tower?

SelectAnswer
AAll of these choices are correct
BThis type of tower must never be grounded
CThis type of tower must never be painted
DThis type of tower must never be climbed unless it is in the fully retracted position

35. - T0C04

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

SelectAnswer
ARadiation pattern of the antenna
BAll of these choices are correct
CFrequency and power level of the RF field
DDistance from the antenna to a person

Figure T3