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. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	The local chapter of the Office of National Council of Independent Frequency Coordinators
B	Amateur operators in a local or regional area whose stations are eligible to be auxiliary or repeater stations
C	FCC Regional Field Office
D	The FCC Office of Spectrum Management and Coordination Policy

2. - T1B08

Which of the following is a result of the fact that the amateur service is secondary in some portions of the 70 cm band?

Select	Answer
A	International communications are not permitted on 70 cm
B	U.S. amateurs may find non-amateur stations in the bands, and must avoid interfering with them
C	U.S. amateurs must give foreign amateur stations priority in those portions
D	Digital transmissions are not permitted on 70 cm

3. - T1C07

What may result when correspondence from the FCC is returned as undeliverable because the grantee failed to provide the correct mailing address?

Select	Answer
A	A reduction of one rank in operator class
B	Require the licensee to be re-examined
C	Revocation of the station license or suspension of the operator license
D	Fine or imprisonment

4. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating the station?

Select	Answer
A	When engaging in communications on behalf of their employer
B	When the communication is incidental to classroom instruction at an educational institution
C	When notifying other amateur operators of the availability for sale or trade of apparatus
D	When re-broadcasting weather alerts during a RACES net

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

6. - T1F11

To which foreign stations do the FCC rules authorize the transmission of non-emergency third party communications?

Select	Answer
A	Those in ITU Region 3 only
B	Any station whose government permits such communications
C	Those in ITU Regions 2 and 3 only
D	Those in ITU Region 2 only

7. - T2A06

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

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

8. - T2B07

What could cause your FM signal to interfere with stations on nearby frequencies?

Select	Answer
A	Incorrect CTCSS Tone
B	All of these choices are correct
C	SWR too high
D	Microphone gain too high, causing over-deviation

9. - T2C04

What do RACES and ARES have in common?

Select	Answer
A	Neither may handle emergency traffic supporting public service agencies
B	They represent the two largest ham clubs in the United States
C	Both organizations broadcast road and weather information
D	Both organizations may provide communications during emergencies

10. - T3A09

Which of the following results from the fact that skip signals refracted from the ionosphere are elliptically polarized?

Select	Answer
A	FM voice is unusable
B	Either vertically or horizontally polarized antennas may be used for transmission or reception
C	Digital modes are unusable
D	Both the transmitting and receiving antennas must be of the same polarization

11. - T3B08

What are the frequency limits of the VHF spectrum?

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

12. - T3C02

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

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

13. - T4A07

How is a computers sound card used when conducting digital communications using a computer?

Select	Answer
A	The sound card communicates between the computer CPU and the video display
B	The sound card provides audio to the microphone input and converts received audio to digital form
C	The sound card records the audio frequency for video display
D	All of these choices are correct

14. - T4B05

Which of the following would reduce ignition interference to a receiver?

Select	Answer
A	Use the RIT control
B	Turn on the noise blanker
C	Decrease the squelch setting
D	Change frequency slightly

15. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Watts
B	Amperes
C	Ohms
D	Volts

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	12 dB
B	18 dB
C	28 dB
D	10 dB

17. - T5C08

What is the formula used to calculate electrical power in a DC circuit?

Select	Answer
A	Power (P) equals voltage (E) plus current (I)
B	Power (P) equals voltage (E) multiplied by current (I)
C	Power (P) equals voltage (E) minus current (I)
D	Power (P) equals voltage (E) divided by current (I)

18. - T5D11

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

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

19. - T6A05

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

Select	Answer
A	Potentiometer
B	Capacitor
C	Resistor
D	Oscillator

20. - T6B11

What at are the three electrodes of a field effect transistor?

Select	Answer
A	Cathode, grid, and plate
B	Source, gate, and drain
C	Cathode, gate, and anode
D	Emitter, base, and collector

21. - T6C13

Which of the following is accurately represented in electrical circuit schematic diagrams?

Select	Answer
A	Physical appearance of components
B	The way components are interconnected
C	Wire lengths
D	All of these choices are correct

22. - T6D06

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

Select	Answer
A	Variable capacitor
B	Transformer
C	Diode
D	Transistor

23. - T7A02

What is a transceiver?

Select	Answer
A	A unit combining the functions of a transmitter and a receiver
B	A type of antenna matching network
C	A type of antenna switch
D	A component in a repeater which filters out unwanted interference

24. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	The transmitter will not stay on the desired frequency
B	Reports of garbled, distorted, or unintelligible transmissions
C	Frequent blowing of power supply fuses
D	Excessive SWR at the antenna connection

25. - T7C12

Which of the following is a common use of coaxial cable?

Select	Answer
A	Carrying dc power from a vehicle battery to a mobile radio
B	Securing masts, tubing, and other cylindrical objects on towers
C	Carrying RF signals between a radio and antenna
D	Connecting data signals from a TNC to a computer

26. - T7D08

Which of the following types of solder is best for radio and electronic use?

Select	Answer
A	Rosin-core solder
B	Aluminum solder
C	Acid-core solder
D	Silver solder

27. - T8A09

What is the approximate bandwidth of a VHF repeater FM phone signal?

Select	Answer
A	Between 10 and 15 kHz
B	Between 50 and 125 kHz
C	About 150 kHz
D	Less than 500 Hz

28. - T8B01

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

Select	Answer
A	Any amateur whose license privileges allow them to transmit on the satellite uplink frequency
B	Only an Amateur Extra Class operator who is also an AMSAT member
C	A General Class licensee or higher licensee who has a satellite operator certification
D	Only an Amateur Extra Class operator

29. - T8C07

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

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

30. - T8D06

What does the abbreviation PSK mean?

Select	Answer
A	Phase Shift Keying
B	Phased Slide Keying
C	Packet Short Keying
D	Pulse Shift Keying

31. - T9A01

What is a beam antenna?

Select	Answer
A	An antenna that reverses the phase of received signals
B	An antenna that concentrates signals in one direction
C	An omnidirectional antenna invented by Clarence Beam
D	An antenna built from aluminum I-beams

32. - T9B03

Why is coaxial cable used more often than any other feed line for amateur radio antenna systems?

Select	Answer
A	It has less loss than any other type of feed line
B	It is easy to use and requires few special installation considerations
C	It can handle more power than any other type of feed line
D	It is less expensive than any other types of feed line

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	All of these choices are correct
C	The voltage can become reversed
D	The memory effect will reduce the capacity of the battery

34. - T0B10

Which of the following is true concerning grounding conductors used for lightning protection?

Select	Answer
A	Sharp bends must be avoided
B	Common grounds must be avoided
C	Wires must be carefully routed with precise right-angle bends
D	Only non-insulated wire must be used

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	Relocate the transmitter
D	Increase the duty cycle