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. - T1A05

Which of the following is a purpose of the Amateur Radio Service rules and regulations as defined by the FCC?

Select	Answer
A	Providing inexpensive communication for local emergency organizations
B	All of these choices are correct
C	Enhancing international goodwill
D	Training of operators in military radio operating procedures

2. - T1B03

Which frequency is within the 6 meter band?

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

3. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit, in addition to places where the FCC regulates communications?

Select	Answer
A	From anywhere within in ITU Regions 2 and 3
B	From within any country that is a member of the United Nations
C	From any vessel or craft located in international waters and documented or registered in the United States
D	From within any country that belongs to the International Telecommunications Union

4. - T1D09

Under which of the following circumstances are amateur stations authorized to transmit signals related to broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	Only when broadcasting communications to or from the space shuttle
B	Only where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
C	Only where such communications directly relate to the immediate safety of human life or protection of property
D	Only when using amateur repeaters linked to the Internet

5. - T1E03

Who must designate the station control operator?

Select	Answer
A	The ITU
B	The station licensee
C	The frequency coordinator
D	The FCC

6. - T1F02

When using tactical identifiers such as Race Headquarters during a community service net operation, how often must your station transmit the stations FCC-assigned call sign?

Select	Answer
A	Once during every hour
B	At the end of each communication and every ten minutes during a communication
C	Never, the tactical call is sufficient
D	At the end of every transmission

7. - T2A07

Which of the following is true when making a test transmission?

Select	Answer
A	Station identification is not required if the transmission is less than 15 seconds
B	Station identification is only required once an hour when the transmissions are for test purposes only
C	Station identification is not required if the transmission is less than 1 watt
D	Station identification is required at least every ten minutes during the test and at the end of the test

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	Tone burst
B	Carrier squelch
C	DTMF
D	CTCSS

9. - T2C10

What is the preamble in a formal traffic message?

Select	Answer
A	The first paragraph of the message text
B	The priority handling indicator for the message
C	The message number
D	The information needed to track the message as it passes through the amateur radio traffic handling system

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	Flip-flopping
B	Frequency shifting
C	Picket fencing
D	Pulsing

11. - T3B01

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

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

12. - T3C12

Which of the following bands may provide long distance communications during the peak of the sunspot cycle?

Select	Answer
A	70 centimeters or 1.25 meters
B	All of these choices are correct
C	Six or ten meters
D	23 centimeters

13. - T4A02

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

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

14. - T4B03

What is the purpose of the squelch control on a transceiver?

Select	Answer
A	To set the highest level of volume desired
B	To adjust the automatic gain control
C	To mute receiver output noise when no signal is being received
D	To set the transmitter power level

15. - T5A06

How much voltage does a mobile transceiver usually require?

Select	Answer
A	About 12 volts
B	About 120 volts
C	About 240 volts
D	About 30 volts

16. - T5B12

Which of the following frequencies is equal to 28,400 kHz?

Select	Answer
A	284.00 MHz
B	28.400 MHz
C	2.800 MHz
D	28.400 kHz

17. - T5C13

What are the units of impedance?

Select	Answer
A	Amperes
B	Coulombs
C	Volts
D	Ohms

18. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Select	Answer
A	2.5 volts
B	1.5 volts
C	1 volt
D	0.25 volts

19. - T6A08

What electrical component is used to connect or disconnect electrical circuits?

Select	Answer
A	All of these choices are correct
B	Thermistor
C	Magnetron
D	Switch

20. - T6B08

What does the abbreviation FET stand for?

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

21. - T6C10

What is component 3 in figure T3?

Select	Answer
A	Variable inductor
B	Variable capacitor
C	Meter
D	Connector

22. - T6D12

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

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

23. - T7A10

What device increases the low-power output from a handheld transceiver?

Select	Answer
A	An impedance network
B	A voltage divider
C	An RF power amplifier
D	All of these choices are correct

24. - T7B04

Which of the following is a way to reduce or eliminate interference by an amateur transmitter to a nearby telephone?

Select	Answer
A	Reduce the SWR on the transmitter transmission line
B	Reduce the microphone gain
C	Put a RF filter on the telephone
D	Put a filter on the amateur transmitter

25. - T7C13

What does a dummy load consist of?

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

26. - T7D07

Which of the following measurements are commonly made using a multimeter?

Select	Answer
A	SWR and RF power
B	Voltage and resistance
C	Impedance and reactance
D	Signal strength and noise

27. - T8A03

Which type of voice mode is most often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	DRM
B	FM
C	SSB
D	PM

28. - T8B02

How much transmitter power should be used on the uplink frequency of an amateur satellite or space station?

Select	Answer
A	Never more than 1 watt
B	The minimum amount of power needed to complete the contact
C	The maximum power of your transmitter
D	No more than half the rating of your linear amplifier

29. - T8C07

What is the maximum power allowed when transmitting telecommand signals to radio controlled models?

Select	Answer
A	500 milliwatts
B	25 watts
C	1 watt
D	1500 watts

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. - T9A14

Which of the following terms describes a type of loading when referring to an antenna?

Select	Answer
A	Inserting a resistor in the radiating portion of the antenna to make it resonant
B	Installing a spring at the base of the antenna to absorb the effects of collisions with other objects
C	Inserting an inductor in the radiating portion of the antenna to make it electrically longer
D	Making the antenna heavier so it will resist wind effects when in motion

32. - T9B06

Which of the following connectors is most suitable for frequencies above 400 MHz?

Select	Answer
A	An RS-213 connector
B	A DB-25 connector
C	A UHF (PL-259/SO-239) connector
D	A Type N connector

33. - T0A02

How does current flowing through the body cause a health hazard?

Select	Answer
A	All of these choices are correct
B	It disrupts the electrical functions of cells
C	By heating tissue
D	It causes involuntary muscle contractions

34. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	All of these choices are correct
B	Insulate the base of the tower to avoid lightning strikes
C	Wear a ground strap connected to your wrist at all times
D	Look for and stay clear of any overhead electrical wires

35. - T0C08

Which of the following actions might amateur operators take to prevent exposure to RF radiation in excess of FCC-supplied limits?

Select	Answer
A	Relocate antennas
B	All of these choices are correct
C	Increase the duty cycle
D	Relocate the transmitter

Figure T3