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. - T1A14

What must you do if you are operating on the 23 cm band and learn that you are interfering with a radiolocation station outside the United States?

Select	Answer
A	Establish contact with the radiolocation station and ask them to change frequency
B	Change to CW mode, because this would not likely cause interference
C	Stop operating or take steps to eliminate the harmful interference
D	Nothing, because this band is allocated exclusively to the amateur service

2. - T1B05

Which 70 cm frequency is authorized to a Technician Class license holder operating in ITU Region 2?

Select	Answer
A	222.520 MHz
B	146.520 MHz
C	53.350 MHz
D	443.350 MHz

3. - T1C14

Who may select a vanity call sign for a club station?

Select	Answer
A	Any Extra Class member of the club
B	Any officer of the club
C	Only the person named as trustee on the club station license grant
D	Any member of the club

4. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating the station?

Select	Answer
A	When re-broadcasting weather alerts during a RACES net
B	When the communication is incidental to classroom instruction at an educational institution
C	When notifying other amateur operators of the availability for sale or trade of apparatus
D	When engaging in communications on behalf of their employer

5. - T1E04

What determines the transmitting privileges of an amateur station?

Select	Answer
A	The highest class of operator license held by anyone on the premises
B	The class of operator license held by the control operator
C	The class of operator license held by the station licensee
D	The frequency authorized by the frequency coordinator

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

7. - T2A03

What is a common repeater frequency offset in the 70 cm band?

Select	Answer
A	Plus 600 kHz
B	Minus 600 kHz
C	Plus or minus 5 MHz
D	Plus or minus 600 kHz

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	CTCSS
D	Tone burst

9. - T2C11

What is meant by the term check in reference to a formal traffic message?

Select	Answer
A	The check is the value of a money order attached to the message
B	The check is a list of stations that have relayed the message
C	The check is a count of the number of words or word equivalents in the text portion of the message
D	The check is a box on the message form that tells you the message was received

10. - T3A06

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

Select	Answer
A	Picket fencing
B	Flip-flopping
C	Pulsing
D	Frequency shifting

11. - T3B07

What property of radio waves is often used to identify the different frequency bands?

Select	Answer
A	The time it takes for waves to travel one mile
B	The voltage standing wave ratio of waves
C	The magnetic intensity of waves
D	The approximate wavelength

12. - T3C05

Which of the following effects might cause radio signals to be heard despite obstructions between the transmitting and receiving stations?

Select	Answer
A	Faraday rotation
B	Knife-edge diffraction
C	Quantum tunneling
D	Doppler shift

13. - T4A08

Which type of conductor is best to use for RF grounding?

Select	Answer
A	Round copper-clad steel wire
B	Round stranded wire
C	Twisted-pair cable
D	Flat strap

14. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Permits noise or interference reduction by selecting a bandwidth matching the mode
B	Permits monitoring several modes at once
C	Increases the number of frequencies that can be stored in memory
D	Increases the amount of offset between receive and transmit frequencies

15. - T5A03

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

Select	Answer
A	Resistance
B	Current
C	Capacitance
D	Voltage

16. - T5B02

What is another way to specify a radio signal frequency of 1,500,000 hertz?

Select	Answer
A	1500 kHz
B	1500 MHz
C	150 kHz
D	15 GHz

17. - T5C09

How much power is being used in a circuit when the applied voltage is 13.8 volts DC and the current is 10 amperes?

Select	Answer
A	23.8 watts
B	138 watts
C	3.8 watts
D	0.7 watts

18. - T5D09

What is the current flowing through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	216 amperes
B	24,000 amperes
C	10 amperes
D	0.1 amperes

19. - T6A07

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

Select	Answer
A	Switch
B	Diode
C	Capacitor
D	Inductor

20. - T6B08

What does the abbreviation FET stand for?

Select	Answer
A	Field Emission Thickness
B	Field Effect Transistor
C	Fast Electron Transistor
D	Free Electron Transition

21. - T6C04

What is component 3 in figure T1?

Select	Answer
A	Resistor
B	Ground symbol
C	Lamp
D	Transistor

22. - T6D04

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

Select	Answer
A	Relay
B	Potentiometer
C	Transistor
D	Meter

23. - T7A08

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

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

24. - T7B08

What should you do if something in a neighbors home is causing harmful interference to your amateur station?

Select	Answer
A	All of these choices are correct
B	Check your station and make sure it meets the standards of good amateur practice
C	Politely inform your neighbor about the rules that prohibit the use of devices which cause interference
D	Work with your neighbor to identify the offending device

25. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	2 to 1
B	1 to 1
C	10 to 1
D	1 to 3

26. - T7D06

Which of the following might damage a multimeter?

Select	Answer
A	Measuring a voltage too small for the chosen scale
B	Not allowing it to warm up properly
C	Leaving the meter in the milliamps position overnight
D	Attempting to measure voltage when using the resistance setting

27. - T8A02

What type of modulation is most commonly used for VHF packet radio transmissions?

Select	Answer
A	AM
B	Spread Spectrum
C	FM
D	SSB

28. - T8B07

With regard to satellite communications, what is Doppler shift?

Select	Answer
A	A special digital communications mode for some satellites
B	An observed change in signal frequency caused by relative motion between the satellite and the earth station
C	A change in the satellite orbit
D	A mode where the satellite receives signals on one band and transmits on another

29. - T8C11

What name is given to an amateur radio station that is used to connect other amateur stations to the Internet?

Select	Answer
A	A gateway
B	A repeater
C	A beacon
D	A digipeater

30. - T8D08

Which of the following may be included in packet transmissions?

Select	Answer
A	A check sum which permits error detection
B	All of these choices are correct
C	Automatic repeat request in case of error
D	A header which contains the call sign of the station to which the information is being sent

31. - T9A12

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

Select	Answer
A	It features a very high angle of radiation and is better for communicating via a repeater
B	The 5/8 wavelength antenna completely eliminates distortion caused by reflected signals
C	It offers a lower angle of radiation and more gain than a 1/4 wavelength antenna and usually provides improved coverage
D	The 5/8 wavelength antenna offers a 10-times power gain over a 1/4 wavelength design

32. - T9B10

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

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

33. - T0A08

What safety equipment should always be included in home-built equipment that is powered from 120V AC power circuits?

Select	Answer
A	An inductor in series with the AC power source
B	A capacitor across the AC power source
C	An AC voltmeter across the incoming power source
D	A fuse or circuit breaker in series with the AC hot conductor

34. - T0B10

Which of the following is true concerning grounding conductors used for lightning protection?

Select	Answer
A	Only non-insulated wire must be used
B	Sharp bends must be avoided
C	Common grounds must be avoided
D	Wires must be carefully routed with precise right-angle bends

35. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation can only be detected with an RF dosimeter
B	RF radiation does not have sufficient energy to cause genetic damage
C	RF radiation is perfectly safe
D	RF radiation is limited in range to a few feet

Figure T1