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

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

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1. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	The local chapter of the Office of National Council of Independent Frequency Coordinators
B	FCC Regional Field Office
C	The FCC Office of Spectrum Management and Coordination Policy
D	Amateur operators in a local or regional area whose stations are eligible to be auxiliary or repeater stations

2. - T1B01

What is the ITU?

Select	Answer
A	A department of the FCC
B	A United Nations agency for information and communication technology issues
C	An independent frequency coordination agency
D	An agency of the United States Department of Telecommunications Management

3. - T1C13

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

Select	Answer
A	Novice, Technician Plus, General, Advanced
B	Technician, General, Amateur Extra
C	Novice, Technician, General, Advanced
D	Technician, Technician Plus, General, Advanced

4. - T1D01

With which countries are FCC-licensed amateur stations prohibited from exchanging communications?

Select	Answer
A	Any country whose administration has notified the ITU that it objects to such communications
B	Any country engaged in hostilities with another country
C	Any country whose administration has notified the ARRL that it objects to such communications
D	Any country in violation of the War Powers Act of 1934

5. - T1E02

Who may a station licensee designate to be the control operator of an amateur station?

Select	Answer
A	Any family member of the station licensee
B	Only a person for whom an amateur operator/primary station license grant appears in the FCC database or who is authorized for alien reciprocal operation
C	Any person over the age of 18
D	Any U.S. citizen or registered alien

6. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Beacon station
B	Earth station
C	Repeater station
D	Message forwarding station

7. - T2A12

Which of the following is a guideline to use when choosing an operating frequency for calling CQ?

Select	Answer
A	Listen first to be sure that no one else is using the frequency
B	Make sure you are in your assigned band
C	Ask if the frequency is in use
D	All of these choices are correct

8. - T2B11

Which Q signal indicates that you are changing frequency?

Select	Answer
A	QSY
B	QSL
C	QRZ
D	QRU

9. - T2C06

Which of the following is an accepted practice to get the immediate attention of a net control station when reporting an emergency?

Select	Answer
A	Begin your transmission by saying "Priority" or "Emergency" followed by your call sign
B	Play a pre-recorded emergency alert tone followed by your call sign
C	Repeat the words SOS three times followed by the call sign of the reporting station
D	Press the push-to-talk button three times

10. - T3A10

What may occur if data signals propagate over multiple paths?

Select	Answer
A	No significant changes will occur if the signals are transmitting using FM
B	Transmission rates must be decreased by a factor equal to the number of separate paths observed
C	Transmission rates can be increased by a factor equal to the number of separate paths observed
D	Error rates are likely to increase

11. - T3B01

What is the name for the distance a radio wave travels during one complete cycle?

Select	Answer
A	Wave speed
B	Waveform
C	Wave spread
D	Wavelength

12. - T3C02

Which of the following might be happening when VHF signals are being received from long distances?

Select	Answer
A	Signals are being reflected from outer space
B	Signals are arriving by sub-surface ducting
C	Signals are being reflected by lightning storms in your area
D	Signals are being refracted from a sporadic E layer

13. - T4A02

How might a computer be used as part of an amateur radio station?

Select	Answer
A	For sending and/or receiving CW
B	For logging contacts and contact information
C	All of these choices are correct
D	For generating and decoding digital signals

14. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal seems too high or low?

Select	Answer
A	The bandwidth selection
B	The receiver RIT or clarifier
C	The AGC or limiter
D	The tone squelch

15. - T5A12

What term describes the number of times per second that an alternating current reverses direction?

Select	Answer
A	Frequency
B	Speed
C	Wavelength
D	Pulse rate

16. - T5B10

What is the approximate amount of change, measured in decibels (dB), of a power decrease from 12 watts to 3 watts?

Select	Answer
A	-6 dB
B	-1 dB
C	-9 dB
D	-3 dB

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?

Select	Answer
A	30 watts
B	14.5 watts
C	4.8 watts
D	0.208 watts

18. - T5D04

What is the resistance of a circuit in which a current of 3 amperes flows through a resistor connected to 90 volts?

Select	Answer
A	3 ohms
B	93 ohms
C	30 ohms
D	270 ohms

19. - T6A07

What electrical component is usually composed of a coil of wire?

Select	Answer
A	Inductor
B	Capacitor
C	Switch
D	Diode

20. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Fuse
B	Diode
C	Resistor
D	Driven Element

21. - T6C06

What is component 6 in figure T2?

Select	Answer
A	Regulator IC
B	Transistor
C	Capacitor
D	Resistor

22. - T6D12

Which of the following is a common reason to use shielded wire?

Select	Answer
A	To increase the current carrying capability of the wire
B	To prevent coupling of unwanted signals to or from the wire
C	To couple the wire to other signals
D	To decrease the resistance of DC power connections

23. - T7A08

Which of the following describes combining speech with an RF carrier signal?-

Select	Answer
A	Modulation
B	Impedance matching
C	Low-pass filtering
D	Oscillation

24. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The receiver is unable to reject strong signals outside the AM or FM band
B	The microphone gain of the transmitter is turned up too high
C	The audio amplifier of the transmitter is overloaded
D	The deviation of an FM transmitter is set too low

25. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Impedance mismatch
B	Loss of -4dB
C	Good impedance match
D	Gain of +4dB

26. - T7D08

Which of the following types of solder is best for radio and electronic use?

Select	Answer
A	Acid-core solder
B	Silver solder
C	Aluminum solder
D	Rosin-core solder

27. - T8A07

What is the primary advantage of single sideband over FM for voice transmissions?

Select	Answer
A	All of these choices are correct
B	SSB signals are less susceptible to interference
C	SSB signals have narrower bandwidth
D	SSB signals are easier to tune

28. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The weight of the satellite
B	The Keplerian elements
C	The last observed time of zero Doppler shift
D	All of these answers are correct

29. - T8C12

What is meant by Voice Over Internet Protocol (VoIP) as used in amateur radio?

Select	Answer
A	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the Internet
B	A set of guidelines for working DX during contests using Internet access
C	A set of rules specifying how to identify your station when linked over the Internet to another station
D	A method of delivering voice communications over the Internet using digital techniques

30. - T8D07

What is PSK31?

Select	Answer
A	A low-rate data transmission mode
B	A high-rate data transmission mode
C	A method of reducing noise interference to FM signals
D	A method of compressing digital television signals

31. - T9A03

Which of the following describes a simple dipole mounted so the conductor is parallel to the Earth's surface?

Select	Answer
A	A ground wave antenna
B	A rhombic antenna
C	A vertically polarized antenna
D	A horizontally polarized antenna

32. - T9B02

What is the impedance of the most commonly used coaxial cable in typical amateur radio installations?

Select	Answer
A	600 ohms
B	50 ohms
C	12 ohms
D	8 ohms

33. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	All of these choices are correct
B	Shorting the terminals can cause burns, fire, or an explosion
C	RF emissions from the battery
D	Touching both terminals with the hands can cause electrical shock

34. - T0B08

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

Select	Answer
A	A single four-foot ground rod, driven into the ground no more than 12 inches from the base
B	A connection between the tower base and a cold water pipe
C	Separate eight-foot long ground rods for each tower leg, bonded to the tower and each other
D	A ferrite-core RF choke connected between the tower and ground

35. - T0C07

What could happen if a person accidentally touched your antenna while you were transmitting?

Select	Answer
A	Touching the antenna could cause television interference
B	All of these choices are correct
C	They might develop radiation poisoning
D	They might receive a painful RF burn

Figure T2