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. - T1A01

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

Select	Answer
A	Providing communications for international non-profit organizations
B	Providing personal radio communications for as many citizens as possible
C	Advancing skills in the technical and communication phases of the radio art
D	All of these choices are correct

2. - T1B03

Which frequency is within the 6 meter band?

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

3. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to operate a transmitter on amateur service frequencies?

Select	Answer
A	Yes, but only if you identify using the suffix GP
B	No, transmitting is not allowed until the FCC license database shows that the license has been renewed
C	Yes, for up to two years
D	Yes, but only during authorized nets

4. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	When the asking price is less than its appraised value
B	When the asking price is $100.00 or less
C	When the equipment is normally used in an amateur station and such activity is not conducted on a regular basis
D	When the equipment is not the personal property of either the station licensee or the control operator or their close relatives

5. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	The control operator and the station licensee are equally responsible
B	Only the control operator
C	All licensed amateurs who are present at the operation
D	Only the station licensee

6. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign using CW or phone emission
B	Send the call sign followed by the indicator R
C	Send the call sign followed by the indicator RPT
D	Send the call sign using only phone emission

7. - T2A11

Which of the following is an FCC rule regarding power levels used in the amateur bands, under normal, non-distress circumstances?

Select	Answer
A	Up to 1500 watts PEP may be used on any amateur frequency without restriction
B	There is no limit to power as long as there is no interference with other services
C	While not exceeding the maximum power permitted on a given band, use the minimum power necessary to carry out the desired communication
D	No more than 200 watts PEP may be used

8. - T2B03

Which of the following describes the muting of receiver audio controlled solely by the presence or absence of an RF signal?

Select	Answer
A	Tone squelch
B	CTCSS
C	Modulated carrier
D	Carrier squelch

9. - T2C10

What is the preamble in a formal traffic message?

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

10. - T3A05

When using a directional antenna, how might your station be able to access a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Try to find a path that reflects signals to the repeater
B	Try the long path
C	Increase the antenna SWR
D	Change from vertical to horizontal polarization

11. - T3B05

How does the wavelength of a radio wave relate to its frequency?

Select	Answer
A	The wavelength gets longer as the frequency increases
B	There is no relationship between wavelength and frequency
C	The wavelength depends on the bandwidth of the signal
D	The wavelength gets shorter as the frequency increases

12. - T3C11

Why do VHF and UHF radio signals usually travel somewhat farther than the visual line of sight distance between two stations?

Select	Answer
A	Radio waves are not blocked by dust particles
B	Radio signals move somewhat faster than the speed of light
C	Radio waves are blocked by dust particles
D	The Earth seems less curved to radio waves than to light

13. - T4A01

Which of the following is true concerning the microphone connectors on amateur transceivers?

Select	Answer
A	Un-keyed connectors allow any microphone to be connected
B	Some connectors include push-to-talk and voltages for powering the microphone
C	All transceivers using the same connector type are wired identically
D	All transceivers use the same microphone connector type

14. - T4B02

Which of the following can be used to enter the operating frequency on a modern transceiver?

Select	Answer
A	The CTCSS or DTMF encoder
B	All of these choices are correct
C	The keypad or VFO knob
D	The Automatic Frequency Control

15. - T5A09

What is the name for a current that reverses direction on a regular basis?

Select	Answer
A	Vertical current
B	Alternating current
C	Circular current
D	Direct current

16. - T5B13

If a frequency readout shows a reading of 2425 MHz, what frequency is that in GHz?

Select	Answer
A	2.425 GHz
B	2425 GHz
C	24.25 GHz
D	0.002425 GHZ

17. - T5C04

What is the basic unit of inductance?

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

18. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	12 volts
B	20 volts
C	8 volts
D	0.2 volts

19. - T6A05

What type of electrical component consists of two or more conductive surfaces separated by an insulator?

Select	Answer
A	Resistor
B	Potentiometer
C	Capacitor
D	Oscillator

20. - T6B03

Which of these components can be used as an electronic switch or amplifier?

Select	Answer
A	Oscillator
B	Transistor
C	Potentiometer
D	Voltmeter

21. - T6C09

What is component 4 in figure T2?

Select	Answer
A	Transformer
B	Potentiometer
C	Variable inductor
D	Double-pole switch

22. - T6D06

What component is commonly used to change 120V AC house current to a lower AC voltage for other uses?

Select	Answer
A	Transformer
B	Diode
C	Transistor
D	Variable capacitor

23. - T7A06

What device takes the output of a low-powered 28 MHz SSB exciter and produces a 222 MHz output signal?

Select	Answer
A	High-pass filter
B	Low-pass filter
C	Transverter
D	Phase converter

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

25. - T7C05

What is the approximate SWR value above which the protection circuits in most solid-state transmitters begin to reduce transmitter power?

Select	Answer
A	2 to 1
B	1 to 2
C	10 to 1
D	6 to 1

26. - T7D11

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

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

27. - T8A10

What is the typical bandwidth of analog fast-scan TV transmissions on the 70 cm band?

Select	Answer
A	About 1 MHz
B	About 6 MHz
C	About 3 MHz
D	More than 10 MHz

28. - T8B06

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

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

29. - T8C07

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

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

30. - T8D05

Which of the following is an application of APRS (Automatic Packet Reporting System)?

Select	Answer
A	Providing voice over Internet connection between repeaters
B	Showing automatically the number of packets transmitted via PACTOR during a specific time interval
C	Providing real time tactical digital communications in conjunction with a map showing the locations of stations
D	Providing information on the number of stations signed into a repeater

31. - T9A06

What type of antennas are the quad, Yagi, and dish?

Select	Answer
A	Isotropic antennas
B	Non-resonant antennas
C	Directional antennas
D	Loop antennas

32. - T9B09

What might cause erratic changes in SWR readings?

Select	Answer
A	Interference from other stations is distorting your signal
B	The transmitter is being over-modulated
C	A loose connection in an antenna or a feed line
D	The transmitter is being modulated

33. - T0A10

What can happen if a lead-acid storage battery is charged or discharged too quickly?

Select	Answer
A	The battery could overheat and give off flammable gas or explode
B	The memory effect will reduce the capacity of the battery
C	All of these choices are correct
D	The voltage can become reversed

34. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	1/2 wavelength at the operating frequency
B	So that if the antenna falls unexpectedly, no part of it can come closer than 10 feet to the power wires
C	The height of the power line above ground
D	Half the width of your property

35. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It affects the average exposure of people to radiation
B	It takes into account the antenna feed line loss
C	It affects the peak exposure of people to radiation
D	It takes into account the thermal effects of the final amplifier

Figure T2