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. - T1A12

Which of the following is a permissible use of the Amateur Radio Service?

Select	Answer
A	Allowing a person to conduct radio experiments and to communicate with other licensed hams around the world
B	Broadcasting music and videos to friends
C	Providing low-cost communications for start-up businesses
D	Providing a way for amateur radio operators to earn additional income by using their stations to pass messages

2. - T1B08

Which of the following is a result of the fact that the amateur service is secondary in some portions of the 70 cm band?

Select	Answer
A	U.S. amateurs may find non-amateur stations in the bands, and must avoid interfering with them
B	Digital transmissions are not permitted on 70 cm
C	U.S. amateurs must give foreign amateur stations priority in those portions
D	International communications are not permitted on 70 cm

3. - T1C04

When are you allowed to operate your amateur station in a foreign country?

Select	Answer
A	When there is a mutual agreement allowing third party communications
B	When you are communicating with non-licensed individuals in another country
C	When the foreign country authorizes it
D	When authorization permits amateur communications in a foreign language

4. - T1D04

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

Select	Answer
A	When the music produces no spurious emissions
B	When the purpose is to interfere with an illegal transmission
C	When incidental to an authorized retransmission of manned spacecraft communications
D	When the music is transmitted above 1280 MHz

5. - T1E09

What type of control is being used when the control operator is at the control point?

Select	Answer
A	Automatic control
B	Local control
C	Unattended control
D	Radio control

6. - T1F09

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

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

7. - T2A01

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

Select	Answer
A	Only plus 600 kHz
B	Plus or minus 600 kHz
C	Plus 500 kHz
D	Minus 500 kHz

8. - T2B12

Under what circumstances should you consider communicating via simplex rather than a repeater?

Select	Answer
A	Only if you have simplex modulation capability
B	Only when you have an endorsement for simplex operation on your license
C	When the stations can communicate directly without using a repeater
D	Only when third party traffic is not being passed

9. - T2C01

When do the FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	When operating under special FEMA rules
B	When operating a RACES station
C	When operating under special ARES rules
D	Never, FCC rules always apply

10. - T3A08

Which of the following is a likely cause of irregular fading of signals received by ionospheric reflection?

Select	Answer
A	Frequency shift due to Faraday rotation
B	Intermodulation distortion
C	Random combining of signals arriving via different paths
D	Interference from thunderstorms

11. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

Select	Answer
A	Wavelength in meters equals 300 divided by frequency in megahertz
B	Wavelength in meters equals frequency in megahertz divided by 300
C	Wavelength in meters equals frequency in hertz multiplied by 300
D	Wavelength in meters equals frequency in hertz divided by 300

12. - T3C06

What mode is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	Tropospheric scatter
B	F2 layer refraction
C	Faraday rotation
D	D layer refraction

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?

Select	Answer
A	Low-pass filter
B	Band-pass filter
C	Ferrite choke
D	Preamplifier

14. - T4B04

What is a way to enable quick access to a favorite frequency on your transceiver?

Select	Answer
A	Store the frequency in a memory channel
B	Enable the CTCSS tones
C	Disable the CTCSS tones
D	Use the scan mode to select the desired frequency

15. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Ohms
B	Volts
C	Amperes
D	Watts

16. - T5B06

If an ammeter calibrated in amperes is used to measure a 3000-milliampere current, what reading would it show?

Select	Answer
A	0.3 amperes
B	3 amperes
C	3,000,000 amperes
D	0.003 amperes

17. - T5C13

What are the units of impedance?

Select	Answer
A	Amperes
B	Coulombs
C	Volts
D	Ohms

18. - T5D02

What formula is used to calculate voltage in a circuit?

Select	Answer
A	Voltage (E) equals current (I) multiplied by resistance (R)
B	Voltage (E) equals current (I) minus resistance (R)
C	Voltage (E) equals current (I) added to resistance (R)
D	Voltage (E) equals current (I) divided by resistance (R)

19. - T6A10

Which of the following battery types is rechargeable?

Select	Answer
A	Lithium-ion
B	All of these choices are correct
C	Nickel-metal hydride
D	Lead-acid gel-cell

20. - T6B09

What are the names of the two electrodes of a diode?

Select	Answer
A	Gate and base
B	Anode and cathode
C	Plus and minus
D	Source and drain

21. - T6C03

What is component 2 in figure T1?

Select	Answer
A	Resistor
B	Indicator lamp
C	Connector
D	Transistor

22. - T6D05

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

Select	Answer
A	Phase inverter
B	Filter
C	Regulator
D	Oscillator

23. - T7A07

What is meant by term PTT?

Select	Answer
A	Precise tone transmissions used to limit repeater access to only certain signals
B	Pre-transmission tuning to reduce transmitter harmonic emission
C	The push to talk function which switches between receive and transmit
D	A primary transformer tuner use to match antennas

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 deviation of an FM transmitter is set too low
C	The audio amplifier of the transmitter is overloaded
D	The microphone gain of the transmitter is turned up too high

25. - T7C03

What, in general terms, is standing wave ratio (SWR)?

Select	Answer
A	The ratio of high to low impedance in a feed line
B	An indication of the quality of your stations ground connection
C	A measure of how well a load is matched to a transmission line
D	The transmitter efficiency ratio

26. - T7D09

What is the characteristic appearance of a cold solder joint?

Select	Answer
A	A grainy or dull surface
B	A greenish tint
C	A bright or shiny surface
D	Dark black spots

27. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Phase shift keying
B	Single sideband
C	Packet radio
D	Spread-spectrum

28. - T8B01

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	Only an Amateur Extra Class operator
B	Any amateur whose license privileges allow them to transmit on the satellite uplink frequency
C	A General Class licensee or higher licensee who has a satellite operator certification
D	Only an Amateur Extra Class operator who is also an AMSAT member

29. - T8C05

What is a grid locator?

Select	Answer
A	A letter-number designator assigned to a geographic location
B	A letter-number designator assigned to an azimuth and elevation
C	An instrument for neutralizing a final amplifier
D	An instrument for radio direction finding

30. - T8D01

Which of the following is an example of a digital communications method?

Select	Answer
A	All of these choices are correct
B	MFSK
C	PSK31
D	Packet

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 rhombic antenna
B	A vertically polarized antenna
C	A ground wave 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	50 ohms
B	8 ohms
C	12 ohms
D	600 ohms

33. - T0A03

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

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

34. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	FCC Part 97 Rules
B	FAA tower lighting regulations
C	Underwriters Laboratories' recommended practices
D	Local electrical codes

35. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Higher frequency RF fields are transient in nature
B	Lower frequency RF fields do not penetrate the human body
C	Lower frequency RF fields have more energy than higher frequency fields
D	The human body absorbs more RF energy at some frequencies than at others

Figure T1