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

2. - T1B03

Which frequency is within the 6 meter band?

Select	Answer
A	222.15 MHz
B	28.50 MHz
C	49.00 MHz
D	52.525 MHz

3. - T1C05

Which of the following is a vanity call sign which a technician class amateur operator might select if available?

Select	Answer
A	W1XX
B	KA1X
C	K1XXX
D	All of these choices are correct

4. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Earth, repeater, or space stations
B	Beacon, repeater, or space stations
C	Auxiliary, repeater, or space stations
D	Auxiliary, beacon, or Earth stations

5. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The person operating the station equipment
B	The third party participant
C	The station licensee
D	The station custodian

6. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a Technician Class control operator?

Select	Answer
A	All of these choices are correct
B	The foreign station must be one with which the U.S. has a third party agreement
C	The licensed control operator must do the station identification
D	The person must be a U.S. citizen

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	Wait for the station to call CQ then answer it
B	Say break, break then say the station's call sign
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. - T2B09

Which of the following methods is encouraged by the FCC when identifying your station when using phone?

Select	Answer
A	Send your call sign in CW as well as voice
B	Use of a phonetic alphabet
C	Repeat your call sign three times
D	Increase your signal to full power when identifying

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 box on the message form that tells you the message was received
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 list of stations that have relayed the message

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	Random combining of signals arriving via different paths
C	Interference from thunderstorms
D	Intermodulation distortion

11. - T3B09

What are the frequency limits of the UHF spectrum?

Select	Answer
A	300 to 3000 kHz
B	30 to 300 kHz
C	300 to 3000 MHz
D	30 to 300 MHz

12. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Updrafts from hurricanes and tornadoes
B	Discharges of lightning during electrical storms
C	Temperature inversions in the atmosphere
D	Sunspots and solar flares

13. - T4A12

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

Select	Answer
A	Noise on the vehicles electrical system is being transmitted along with your speech audio
B	Your microphone is picking up noise from an open window
C	You need to adjust your squelch control
D	You have the volume on your receiver set too high

14. - T4B09

Which of the following is an appropriate receive filter bandwidth to select in order to minimize noise and interference for SSB reception?

Select	Answer
A	1000 Hz
B	5000 Hz
C	2400 Hz
D	500 Hz

15. - T5A07

Which of the following is a good electrical conductor?

Select	Answer
A	Glass
B	Copper
C	Rubber
D	Wood

16. - T5B11

What is the approximate amount of change, measured in decibels (dB), of a power increase from 20 watts to 200 watts?

Select	Answer
A	18 dB
B	28 dB
C	12 dB
D	10 dB

17. - T5C03

What is the ability to store energy in a magnetic field called?

Select	Answer
A	Inductance
B	Capacitance
C	Resistance
D	Admittance

18. - T5D11

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

Select	Answer
A	1 volt
B	10 volts
C	11 volts
D	9 volts

19. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Capacitance
B	Inductance
C	Resistance
D	Field strength

20. - T6B04

Which of the following components can be made of three layers of semiconductor material?

Select	Answer
A	Alternator
B	Pentagrid converter
C	Triode
D	Transistor

21. - T6C01

What is the name for standardized representations of components in an electrical wiring diagram?

Select	Answer
A	Schematic symbols
B	Grey sketch
C	Component callouts
D	Electrical depictions

22. - T6D05

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

Select	Answer
A	Oscillator
B	Regulator
C	Phase inverter
D	Filter

23. - T7A03

Which of the following is used to convert a radio signal from one frequency to another?

Select	Answer
A	Inverter
B	Phase splitter
C	Amplifier
D	Mixer

24. - T7B07

Which of the following may be useful in correcting a radio frequency interference problem?

Select	Answer
A	Snap-on ferrite chokes
B	Band-reject and band-pass filters
C	All of these choices are correct
D	Low-pass and high-pass filters

25. - T7C13

What does a dummy load consist of?

Select	Answer
A	A low voltage power supply and a DC relay
B	A 50 ohm reactance used to terminate a transmission line
C	A non-inductive resistor and a heat sink
D	A high-gain amplifier and a TR switch

26. - T7D11

Which of the following precautions should be taken when measuring circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the circuit is not powered
B	Ensure that the circuit is grounded
C	Ensure that the circuit is operating at the correct frequency
D	Ensure that the applied voltages are correct

27. - T8A11

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

Select	Answer
A	1000 Hz
B	150 Hz
C	2.4 kHz
D	15 kHz

28. - T8B11

What is a commonly used method of sending signals to and from a digital satellite?

Select	Answer
A	USB AFSK
B	FM Packet
C	WSJT
D	PSK31

29. - T8C06

How is access to an IRLP node accomplished?

Select	Answer
A	By entering the proper Internet password
B	By obtaining a password which is sent via voice to the node
C	By using DTMF signals
D	By using CTCSS tone codes

30. - T8D07

What is PSK31?

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

31. - T9A07

What is a good reason not to use a rubber duck antenna inside your car?

Select	Answer
A	The SWR might decrease, decreasing the signal strength
B	Signals can be significantly weaker than when it is outside of the vehicle
C	All of these choices are correct
D	It might cause your radio to overheat

32. - T9B04

What does an antenna tuner do?

Select	Answer
A	It helps a receiver automatically tune in weak stations
B	It matches the antenna system impedance to the transceiver's output impedance
C	It automatically selects the proper antenna for the frequency band being used
D	It allows an antenna to be used on both transmit and receive

33. - T0A05

Why is it unwise to install a 20-ampere fuse in the place of a 5-ampere fuse?

Select	Answer
A	The power supply ripple would greatly increase
B	All of these choices are correct
C	The larger fuse would be likely to blow because it is rated for higher current
D	Excessive current could cause a fire

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	Separate eight-foot long ground rods for each tower leg, bonded to the tower and each other
C	A connection between the tower base and a cold water pipe
D	A ferrite-core RF choke connected between the tower and ground

35. - T0C12

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

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