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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?

SelectAnswer
AProviding communications for international non-profit organizations
BProviding personal radio communications for as many citizens as possible
CAll of these choices are correct
DAdvancing skills in the technical and communication phases of the radio art

2. - T1B04

Which amateur band are you using when your station is transmitting on 146.52 MHz?

SelectAnswer
A6 meter band
B20 meter band
C2 meter band
D14 meter band

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?

SelectAnswer
AYes, but only if you identify using the suffix GP
BNo, transmitting is not allowed until the FCC license database shows that the license has been renewed
CYes, but only during authorized nets
DYes, for up to two years

4. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

SelectAnswer
AAny such language is prohibited
BThe ITU maintains a list of words that are not permitted to be used on amateur frequencies
CThe FCC maintains a list of words that are not permitted to be used on amateur frequencies
DThere is no such prohibition

5. - T1E10

Which of the following is an example of remote control as defined in Part 97?

SelectAnswer
AControlling a model aircraft, boat or car by amateur radio
BOperating the station over the Internet
CAll of these choices are correct
DRepeater operation

6. - T1F09

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

SelectAnswer
ABeacon station
BEarth station
CMessage forwarding station
DRepeater station

7. - T2A01

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

SelectAnswer
APlus 500 kHz
BPlus or minus 600 kHz
CMinus 500 kHz
DOnly plus 600 kHz

8. - T2B03

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

SelectAnswer
ACarrier squelch
BTone squelch
CModulated carrier
DCTCSS

9. - T2C07

Which of the following is an accepted practice for an amateur operator who has checked into an emergency traffic net?

SelectAnswer
AProvided that the frequency is quiet, announce the station call sign and location every 5 minutes
BMove 5 kHz away from the net's frequency and use high power to ask other hams to keep clear of the net frequency
CAll of the choices are correct
DRemain on frequency without transmitting until asked to do so by the net control station

10. - T3A04

What can happen if the antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

SelectAnswer
ASignals could be significantly weaker
BThe modulation sidebands might become inverted
CSignals have an echo effect on voices
DNothing significant will happen

11. - T3B11

What is the approximate velocity of a radio wave as it travels through free space?

SelectAnswer
A300,000,000 meters per second
B300,000 miles per hour
C186,000 miles per hour
D3000 kilometers per second

12. - T3C11

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

SelectAnswer
ARadio waves are not blocked by dust particles
BThe Earth seems less curved to radio waves than to light
CRadio waves are blocked by dust particles
DRadio signals move somewhat faster than the speed of light

13. - T4A05

Where should an in-line SWR meter be connected to monitor the standing wave ratio of the station antenna system?

SelectAnswer
AIn series with the station's ground
BIn series with the feed line, between the transmitter and antenna
CIn parallel with the push-to-talk line and the antenna
DIn series with the power supply cable, as close as possible to the radio

14. - T4B10

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

SelectAnswer
A5000 Hz
B1000 Hz
C2400 Hz
D500 Hz

15. - T5A04

What is the name for a current that flows only in one direction?

SelectAnswer
AAlternating current
BDirect current
CSmooth current ~ T5A05 (A) What is the electrical term for the electromotive force (EMF) that causes electron flow? A. Voltage B. Ampere-hours C. Capacitance D. Inductance
DNormal current

16. - T5B01

How many milliamperes is 1.5 amperes?

SelectAnswer
A15 milliamperes
B1,500 milliamperes
C15,000 milliamperes
D150 milliamperes

17. - T5C01

What is the ability to store energy in an electric field called?

SelectAnswer
AResistance
BTolerance
CCapacitance
DInductance

18. - T5D09

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

SelectAnswer
A0.1 amperes
B216 amperes
C10 amperes
D24,000 amperes

19. - T6A09

What electrical component is used to protect other circuit components from current overloads?

SelectAnswer
AAll of these choices are correct
BCapacitor
CFuse
DInductor

20. - T6B06

How is the cathode lead of a semiconductor diode usually identified?

SelectAnswer
AWith the letter C
BWith a stripe
CAll of these choices are correct
DWith the word cathode

21. - T6C11

What is component 4 in figure T3?

SelectAnswer
ADummy load
BGround
CAntenna
DTransmitter

22. - T6D08

Which of the following is used together with an inductor to make a tuned circuit?

SelectAnswer
AResistor
BCapacitor
CZener diode
DPotentiometer

23. - T7A10

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

SelectAnswer
AAn impedance network
BAn RF power amplifier
CAll of these choices are correct
DA voltage divider

24. - T7B06

Which of the following actions should you take if a neighbor tells you that your stations transmissions are interfering with their radio or TV reception?

SelectAnswer
AMake sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
BTell them that your license gives you the right to transmit and nothing can be done to reduce the interference
CInstall a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
DImmediately turn off your transmitter and contact the nearest FCC office for assistance

25. - T7C03

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

SelectAnswer
AThe ratio of high to low impedance in a feed line
BA measure of how well a load is matched to a transmission line
CThe transmitter efficiency ratio
DAn indication of the quality of your stations ground connection

26. - T7D09

What is the characteristic appearance of a cold solder joint?

SelectAnswer
AA greenish tint
BA bright or shiny surface
CDark black spots
DA grainy or dull surface

27. - T8A08

What is the approximate bandwidth of a single sideband voice signal?

SelectAnswer
A6 kHz
B1 kHz
C15 kHz
D3 kHz

28. - T8B01

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

SelectAnswer
AOnly an Amateur Extra Class operator
BOnly an Amateur Extra Class operator who is also an AMSAT member
CA General Class licensee or higher licensee who has a satellite operator certification
DAny amateur whose license privileges allow them to transmit on the satellite uplink frequency

29. - T8C09

How might you obtain a list of active nodes that use VoIP?

SelectAnswer
AFrom your local emergency coordinator
BFrom a repeater directory
CFrom the FCC Rulebook
DFrom the local repeater frequency coordinator

30. - T8D01

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

SelectAnswer
APSK31
BMFSK
CPacket
DAll of these choices are correct

31. - T9A06

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

SelectAnswer
ADirectional antennas
BNon-resonant antennas
CIsotropic antennas
DLoop antennas

32. - T9B02

What is the impedance of the most commonly used coaxial cable in typical amateur radio installations?

SelectAnswer
A600 ohms
B12 ohms
C8 ohms
D50 ohms

33. - T0A10

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

SelectAnswer
AAll of these choices are correct
BThe memory effect will reduce the capacity of the battery
CThe battery could overheat and give off flammable gas or explode
DThe voltage can become reversed

34. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

SelectAnswer
AWhen the work being done is not more than 20 feet above the ground
BNever
CWhen no mechanical work is being performed
DWhen no electrical work is being performed

35. - T0C03

What is the maximum power level that an amateur radio station may use at VHF frequencies before an RF exposure evaluation is required?

SelectAnswer
A50 watts PEP at the antenna
B1500 watts PEP transmitter output
C1 watt forward power
D50 watts PEP reflected power