US Amateur Radio - Technician (Element 2, 2014-2018) Practice Test

Anonymous User

US Amateur Radio - Technician (Element 2, 2014-2018) Practice Test

Logging in (or registering) will help the system to select questions that you need to focus on.

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. - T1B11

What emission modes are permitted in the mode-restricted sub-bands at 50.0 to 50.1 MHz and 144.0 to 144.1 MHz?

Select	Answer
A	CW and RTTY
B	CW only
C	CW and SSB
D	SSB only

3. - T1C09

What is the grace period following the expiration of an amateur license within which the license may be renewed?

Select	Answer
A	Ten years
B	Two years
C	Three years
D	Five years

4. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Auxiliary, repeater, or space stations
B	Auxiliary, beacon, or Earth stations
C	Beacon, repeater, or space stations
D	Earth, repeater, or space stations

5. - T1E04

What determines the transmitting privileges of an amateur station?

Select	Answer
A	The class of operator license held by the control operator
B	The highest class of operator license held by anyone on the premises
C	The class of operator license held by the station licensee
D	The frequency authorized by the frequency coordinator

6. - T1F08

Which indicator is required by the FCC to be transmitted after a station call sign?

Select	Answer
A	/ followed the FCC Region number when operating out of the region in which the license was issued
B	/R when operating a repeater
C	/M when operating mobile
D	/KT, /AE or /AG when using new license privileges earned by CSCE while waiting for an upgrade to a previously issued license to appear in the FCC license database

7. - T2A12

Which of the following is a guideline to use when choosing an operating frequency for calling CQ?

Select	Answer
A	Make sure you are in your assigned band
B	Ask if the frequency is in use
C	Listen first to be sure that no one else is using the frequency
D	All of these choices are correct

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	Modulated carrier
B	Carrier squelch
C	CTCSS
D	Tone squelch

9. - T2C11

What is meant by the term check in reference to a formal traffic message?

Select	Answer
A	The check is a box on the message form that tells you the message was received
B	The check is a list of stations that have relayed the message
C	The check is the value of a money order attached to the message
D	The check is a count of the number of words or word equivalents in the text portion of the message

10. - T3A07

What type of wave carries radio signals between transmitting and receiving stations?

Select	Answer
A	Surface acoustic
B	Electromagnetic
C	Magnetostrictive
D	Electrostatic

11. - T3B03

What are the two components of a radio wave?

Select	Answer
A	AC and DC
B	Electric and magnetic fields
C	Ionizing and non-ionizing radiation
D	Voltage and current

12. - T3C10

What is the radio horizon?

Select	Answer
A	The distance from the ground to a horizontally mounted antenna
B	The distance over which two stations can communicate by direct path
C	The farthest point you can see when standing at the base of your antenna tower
D	The shortest distance between two points on the Earth's surface

13. - T4A10

What is the source of a high-pitched whine that varies with engine speed in a mobile transceivers receive audio?

Select	Answer
A	Anti-lock braking system controllers
B	The ignition system
C	The electric fuel pump
D	The alternator

14. - T4B09

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

Select	Answer
A	2400 Hz
B	500 Hz
C	1000 Hz
D	5000 Hz

15. - T5A07

Which of the following is a good electrical conductor?

Select	Answer
A	Copper
B	Glass
C	Rubber
D	Wood

16. - T5B12

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

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

17. - T5C11

How many amperes are flowing in a circuit when the applied voltage is 12 volts DC and the load is 120 watts?

Select	Answer
A	0.1 amperes
B	132 amperes
C	10 amperes
D	12 amperes

18. - T5D12

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

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

19. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Resistor
B	Inductor
C	Capacitor
D	Diode

20. - T6B01

What class of electronic components is capable of using a voltage or current signal to control current flow?

Select	Answer
A	Resistors
B	Transistors
C	Capacitors
D	Inductors

21. - T6C13

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

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

22. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Amplifier
B	Rectifier
C	Transformer
D	Reflector

23. - T7A09

Which of the following devices is most useful for VHF weak-signal communication?

Select	Answer
A	A multi-mode VHF transceiver
B	An omni-directional antenna
C	A quarter-wave vertical antenna
D	A mobile VHF FM transceiver

24. - T7B03

Which of the following may be a cause of radio frequency interference?

Select	Answer
A	All of these choices are correct
B	Spurious emissions
C	Fundamental overload
D	Harmonics

25. - T7C03

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

Select	Answer
A	The transmitter efficiency ratio
B	The ratio of high to low impedance in a feed line
C	A measure of how well a load is matched to a transmission line
D	An indication of the quality of your stations ground connection

26. - T7D09

What is the characteristic appearance of a cold solder joint?

Select	Answer
A	A bright or shiny surface
B	A grainy or dull surface
C	A greenish tint
D	Dark black spots

27. - T8A04

Which type of modulation is most commonly used for VHF and UHF voice repeaters?

Select	Answer
A	SSB
B	AM
C	FM
D	PSK

28. - T8B02

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

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

29. - T8C10

How do you select a specific IRLP node when using a portable transceiver?

Select	Answer
A	Choose the correct DSC tone
B	Use the keypad to transmit the IRLP node ID
C	Access the repeater autopatch
D	Choose a specific CTCSS tone

30. - T8D05

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

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

31. - T9A11

What is meant by the gain of an antenna?

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

32. - T9B03

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

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

33. - T0A04

What is the purpose of a fuse in an electrical circuit?

Select	Answer
A	All of these choices are correct
B	To prevent power supply ripple from damaging a circuit
C	To interrupt power in case of overload
D	To limit current to prevent shocks

34. - T0B01

When should members of a tower work team wear a hard hat and safety glasses?

Select	Answer
A	At all times except when belted firmly to the tower
B	Only when the tower exceeds 30 feet in height
C	At all times except when climbing the tower
D	At all times when any work is being done on the tower

35. - T0C02

Which of the following frequencies has the lowest value for Maximum Permissible Exposure limit?

Select	Answer
A	3.5 MHz
B	440 MHz
C	50 MHz
D	1296 MHz