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. - T1A06

Which of the following services are protected from interference by amateur signals under all circumstances?

Select	Answer
A	Radionavigation Service
B	Broadcast Service
C	Land Mobile Radio Service
D	Citizens Radio Service

2. - T1B05

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

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

3. - T1C01

Which type of call sign has a single letter in both its prefix and suffix?

Select	Answer
A	Special event
B	Vanity
C	Sequential
D	In-memoriam

4. - T1D10

What is the meaning of the term broadcasting in the FCC rules for the amateur services?

Select	Answer
A	Two-way transmissions by amateur stations
B	Transmission of music
C	Transmission of messages directed only to amateur operators
D	Transmissions intended for reception by the general public

5. - T1E09

What type of control is being used when the control operator is at the control point?

Select	Answer
A	Radio control
B	Unattended control
C	Local control
D	Automatic control

6. - T1F09

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

Select	Answer
A	Message forwarding station
B	Repeater station
C	Beacon station
D	Earth station

7. - T2A06

What must an amateur operator do when making on-air transmissions to test equipment or antennas?

Select	Answer
A	Make test transmissions only after 10:00 p.m. local time
B	Properly identify the transmitting station
C	State the purpose of the test during the test procedure
D	Notify the FCC of the test transmission

8. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

Select	Answer
A	Whoever has the strongest signal has priority on the frequency
B	The station which has the weakest signal has priority on the frequency
C	Common courtesy should prevail, but no one has absolute right to an amateur frequency
D	Whoever has been on the frequency the longest has priority on the frequency

9. - T2C07

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

Select	Answer
A	Remain on frequency without transmitting until asked to do so by the net control station
B	Move 5 kHz away from the net's frequency and use high power to ask other hams to keep clear of the net frequency
C	Provided that the frequency is quiet, announce the station call sign and location every 5 minutes
D	All of the choices are correct

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

11. - T3B05

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

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

12. - T3C02

Which of the following might be happening when VHF signals are being received from long distances?

Select	Answer
A	Signals are being reflected by lightning storms in your area
B	Signals are being refracted from a sporadic E layer
C	Signals are being reflected from outer space
D	Signals are arriving by sub-surface ducting

13. - T4A01

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

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

14. - T4B07

What does the term RIT mean?

Select	Answer
A	Receiver Incremental Tuning
B	Rectifier Inverter Test
C	Receiver Input Tone
D	Remote Input Transmitter

15. - T5A10

Which term describes the rate at which electrical energy is used?

Select	Answer
A	Current
B	Power
C	Voltage
D	Resistance

16. - T5B06

If an ammeter calibrated in amperes is used to measure a 3000-milliampere current, what reading would it show?

Select	Answer
A	3,000,000 amperes
B	3 amperes
C	0.003 amperes
D	0.3 amperes

17. - T5C03

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

Select	Answer
A	Admittance
B	Resistance
C	Capacitance
D	Inductance

18. - T5D02

What formula is used to calculate voltage in a circuit?

Select	Answer
A	Voltage (E) equals current (I) minus resistance (R)
B	Voltage (E) equals current (I) divided by resistance (R)
C	Voltage (E) equals current (I) added to resistance (R)
D	Voltage (E) equals current (I) multiplied by resistance (R)

19. - T6A05

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

Select	Answer
A	Potentiometer
B	Oscillator
C	Capacitor
D	Resistor

20. - T6B09

What are the names of the two electrodes of a diode?

Select	Answer
A	Plus and minus
B	Gate and base
C	Source and drain
D	Anode and cathode

21. - T6C09

What is component 4 in figure T2?

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

22. - T6D08

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

Select	Answer
A	Zener diode
B	Capacitor
C	Resistor
D	Potentiometer

23. - T7A07

What is meant by term PTT?

Select	Answer
A	The push to talk function which switches between receive and transmit
B	Precise tone transmissions used to limit repeater access to only certain signals
C	A primary transformer tuner use to match antennas
D	Pre-transmission tuning to reduce transmitter harmonic emission

24. - T7B07

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

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

25. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet resistant jackets prevent harmonic radiation
B	Ultraviolet and RF signals can mix together, causing interference
C	Ultraviolet light can damage the jacket and allow water to enter the cable
D	Ultraviolet light can increase losses in the cables jacket

26. - T7D04

Which instrument is used to measure electric current?

Select	Answer
A	An ohmmeter
B	A voltmeter
C	An ammeter
D	A wavemeter

27. - T8A02

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

Select	Answer
A	AM
B	FM
C	Spread Spectrum
D	SSB

28. - T8B08

What is meant by the statement that a satellite is operating in mode U/V?

Select	Answer
A	The satellite operates using ultraviolet frequencies
B	The satellite uplink is in the 70 cm band and the downlink is in the 2 meter band
C	The satellite frequencies are usually variable
D	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band

29. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	Calibrated SWR meter
B	A calibrated noise bridge
C	A directional antenna
D	All of these choices are correct

30. - T8D04

What type of transmission is indicated by the term NTSC?

Select	Answer
A	A special mode for earth satellite uplink
B	An analog fast scan color TV signal
C	A Normal Transmission mode in Static Circuit
D	A frame compression scheme for TV signals

31. - T9A11

What is meant by the gain of an antenna?

Select	Answer
A	The increase in signal strength in a specified direction when compared to a reference antenna
B	The increase in impedance on receive or transmit compared to a reference antenna
C	The additional power that is lost in the antenna when transmitting on a higher frequency
D	The additional power that is added to the transmitter power

32. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	75-ohm flexible coax
B	Multi-conductor unbalanced cable
C	Air-insulated hard line
D	50-ohm flexible coax

33. - T0A03

What is connected to the green wire in a three-wire electrical AC plug?

Select	Answer
A	Safety ground
B	Neutral
C	Hot
D	The white wire

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. - 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	All of these choices are correct
B	Increase the duty cycle
C	Relocate antennas
D	Relocate the transmitter

Figure T2