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. - T1A04

Which of the following meets the FCC definition of harmful interference?

Select	Answer
A	Static from lightning storms
B	That which seriously degrades, obstructs, or repeatedly interrupts a radio communication service operating in accordance with the Radio Regulations
C	Unwanted radio transmissions that cause costly harm to radio station apparatus
D	Radio transmissions that annoy users of a repeater

2. - T1B07

What amateur band are you using if you are transmitting on 223.50 MHz?

Select	Answer
A	2 meter band
B	1.25 meter band
C	15 meter band
D	10 meter band

3. - T1C07

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

Select	Answer
A	Revocation of the station license or suspension of the operator license
B	A reduction of one rank in operator class
C	Fine or imprisonment
D	Require the licensee to be re-examined

4. - T1D01

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

Select	Answer
A	Any country engaged in hostilities with another country
B	Any country whose administration has notified the ITU that it objects to such communications
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. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Repeater operation
B	Using a computer or other device to automatically send CW
C	Controlling the station over the Internet
D	Using a computer or other device to automatically identify

6. - T1F04

Which of the following is an acceptable language to use for station identification when operating in a phone sub-band?

Select	Answer
A	English, French, or Spanish
B	Any language recognized by the ITU
C	The English language
D	Any language recognized by the United Nations

7. - T2A04

What is an appropriate way to call another station on a repeater if you know the other station's call sign?

Select	Answer
A	Say break, break then say the station's call sign
B	Wait for the station to call CQ then answer it
C	Say the station's call sign then identify with your call sign
D	Say CQ three times then the other station's call sign

8. - T2B02

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

Select	Answer
A	Carrier squelch
B	DTMF
C	Tone burst
D	CTCSS

9. - T2C12

What is the Amateur Radio Emergency Service (ARES)?

Select	Answer
A	Licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
B	A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
C	A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
D	Licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service

10. - T3A02

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

Select	Answer
A	The shorter wavelength allows them to more easily penetrate the structure of buildings
B	VHF signals lose power faster over distance
C	UHF antennas are more efficient than VHF antennas
D	This is incorrect; VHF works better than UHF inside buildings

11. - T3B02

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

Select	Answer
A	The orientation of the electric field
B	The orientation of the magnetic field
C	The ratio of the velocity to the wavelength
D	The ratio of the energy in the magnetic field to the energy in the electric field

12. - T3C10

What is the radio horizon?

Select	Answer
A	The distance from the ground to a horizontally mounted antenna
B	The shortest distance between two points on the Earth's surface
C	The distance over which two stations can communicate by direct path
D	The farthest point you can see when standing at the base of your antenna tower

13. - T4A07

How is a computers sound card used when conducting digital communications using a computer?

Select	Answer
A	All of these choices are correct
B	The sound card communicates between the computer CPU and the video display
C	The sound card records the audio frequency for video display
D	The sound card provides audio to the microphone input and converts received audio to digital form

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 tone squelch
C	The AGC or limiter
D	The receiver RIT or clarifier

15. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Current
B	Capacitance
C	Voltage
D	Resistance

16. - T5B03

How many volts are equal to one kilovolt?

Select	Answer
A	One million volts
B	One hundred volts
C	One one-thousandth of a volt
D	One thousand volts

17. - T5C04

What is the basic unit of inductance?

Select	Answer
A	The farad
B	The coulomb
C	The ohm
D	The henry

18. - T5D06

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

Select	Answer
A	3 ohms
B	8 Ohms
C	16 ohms
D	48 ohms

19. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Field strength
B	Resistance
C	Inductance
D	Capacitance

20. - T6B07

What does the abbreviation LED stand for?

Select	Answer
A	Liquid Emission Detector
B	Low Emission Diode
C	Light Emitting Diode
D	Long Echo Delay

21. - T6C04

What is component 3 in figure T1?

Select	Answer
A	Lamp
B	Transistor
C	Ground symbol
D	Resistor

22. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Filter
B	Regulator
C	Phase inverter
D	Oscillator

23. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	At the receiver's audio output
B	Between a transmitter and antenna tuner
C	Between the antenna and receiver
D	At the output of the transmitter's power amplifier

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 deviation of an FM transmitter is set too low
D	The audio amplifier of the transmitter is overloaded

25. - T7C08

What instrument other than an SWR meter could you use to determine if a feed line and antenna are properly matched?

Select	Answer
A	Voltmeter
B	Ohmmeter
C	Directional wattmeter
D	Iambic pentameter

26. - T7D12

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

Select	Answer
A	Ensure that the voltmeter has very low impedance
B	Ensure that the voltmeter is set to the correct frequency
C	Ensure that the circuit is grounded through the voltmeter
D	Ensure that the voltmeter and leads are rated for use at the voltages to be measured

27. - T8A07

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

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

28. - T8B06

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

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

29. - T8C13

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A technique to connect amateur radio systems, such as repeaters, via the Internet using Voice Over Internet Protocol
B	A technique for measuring signal strength of an amateur transmitter via the Internet
C	A system for providing access to websites via amateur radio
D	A system for informing amateurs in real time of the frequency of active DX stations

30. - T8D02

What does the term APRS mean?

Select	Answer
A	Auto Planning Radio Set-up
B	Automatic Packet Reporting System
C	Associated Public Radio Station
D	Advanced Polar Radio System

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

32. - T9B10

What electrical difference exists between the smaller RG-58 and larger RG-8 coaxial cables?

Select	Answer
A	RG-8 cable has less loss at a given frequency
B	There is no significant difference between the two types
C	RG-58 cable can handle higher power levels
D	RG-58 cable has less loss at a given frequency

33. - T0A03

What is connected to the green wire in a three-wire electrical AC plug?

Select	Answer
A	Safety ground
B	Neutral
C	The white wire
D	Hot

34. - T0B12

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	Put a loop in the ground connection to prevent water damage to the ground system
B	All of these choices are correct
C	Ensure that connections are short and direct
D	Make sure that all bends in the ground wires are clean, right angle bends

35. - T0C04

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

Select	Answer
A	Distance from the antenna to a person
B	All of these choices are correct
C	Radiation pattern of the antenna
D	Frequency and power level of the RF field

Figure T1