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. - T1A07

What is the FCC Part 97 definition of telemetry?

Select	Answer
A	A one-way transmission to initiate, modify or terminate functions of a device at a distance
B	A one-way transmission of measurements at a distance from the measuring instrument
C	An information bulletin issued by the FCC
D	An information bulletin from a VEC

2. - T1B12

Why are frequency assignments for U.S. stations operating maritime mobile not the same everywhere in the world?

Select	Answer
A	Amateur frequency assignments can vary among the three ITU regions
B	Amateur maritime mobile stations in international waters must conform to the frequency assignments of the country nearest to their vessel
C	Frequency assignments are determined by the captain of the vessel
D	Amateur frequency assignments are different in each of the 90 ITU zones

3. - T1C08

What is the normal term for an FCC-issued primary station/operator amateur radio license grant?

Select	Answer
A	Twenty years
B	Life
C	Five years
D	Ten years

4. - T1D10

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

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

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 station licensee
C	The station custodian
D	The person operating the station equipment

6. - T1F03

When is an amateur station required to transmit its assigned call sign?

Select	Answer
A	At least once during each transmission
B	At least every 10 minutes during and at the end of a communication
C	At least every 15 minutes during and at the end of a communication
D	At the beginning of each contact, and every 10 minutes thereafter

7. - T2A02

What is the national calling frequency for FM simplex operations in the 70 cm band?

Select	Answer
A	446.000 MHz
B	432.100 MHz
C	146.520 MHz
D	145.000 MHz

8. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QTH
B	QSB
C	QRN
D	QRM

9. - T2C11

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

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

10. - T3A11

Which part of the atmosphere enables the propagation of radio signals around the world?

Select	Answer
A	The ionosphere
B	The troposphere
C	The stratosphere
D	The magnetosphere

11. - T3B03

What are the two components of a radio wave?

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

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

13. - T4A12

What could be happening if another operator reports a variable high-pitched whine on the audio from your mobile transmitter?

Select	Answer
A	Noise on the vehicles electrical system is being transmitted along with your speech audio
B	You have the volume on your receiver set too high
C	You need to adjust your squelch control
D	Your microphone is picking up noise from an open window

14. - T4B11

Which of the following describes the common meaning of the term "repeater offset"?

Select	Answer
A	The time delay before the repeater timer resets
B	Matching the antenna impedance to the feed line impedance
C	The distance between the repeaters transmit and receive antennas
D	The difference between the repeaters transmit and receive frequencies

15. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Capacitance
B	Current
C	Resistance
D	Voltage

16. - T5B04

How many volts are equal to one microvolt?

Select	Answer
A	One million volts
B	One one-thousandth of a volt
C	One thousand kilovolts
D	One one-millionth of a volt

17. - T5C06

What does the abbreviation RF refer to?

Select	Answer
A	The real frequency transmitted as opposed to the apparent frequency
B	Reflective force in antenna transmission lines
C	Radio frequency signals of all types
D	The resonant frequency of a tuned circuit

18. - T5D08

What is the current flowing through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	20,000 amperes
B	100 amperes
C	0.5 amperes
D	2 amperes

19. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Power resistor
B	Potentiometer
C	Fixed resistor
D	Transformer

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. - T6C07

What is component 8 in figure T2?

Select	Answer
A	Inductor
B	Light emitting diode
C	Resistor
D	Regulator IC

22. - T6D10

What is the function of component 2 in Figure T1?

Select	Answer
A	Give off light when current flows through it
B	Supply electrical energy
C	Convert electrical energy into radio waves
D	Control the flow of current

23. - T7A10

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

Select	Answer
A	An RF power amplifier
B	An impedance network
C	A voltage divider
D	All of these choices are correct

24. - T7B10

What might be the problem if you receive a report that your audio signal through the repeater is distorted or unintelligible?

Select	Answer
A	All of these choices are correct
B	Your transmitter may be slightly off frequency
C	You could be in a bad location
D	Your batteries may be running low

25. - T7C09

Which of the following is the most common cause for failure of coaxial cables?

Select	Answer
A	The velocity factor exceeds 1.0
B	Gamma rays
C	Overloading
D	Moisture contamination

26. - T7D06

Which of the following might damage a multimeter?

Select	Answer
A	Not allowing it to warm up properly
B	Measuring a voltage too small for the chosen scale
C	Attempting to measure voltage when using the resistance setting
D	Leaving the meter in the milliamps position overnight

27. - T8A03

Which type of voice mode is most often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	FM
B	PM
C	DRM
D	SSB

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
C	A General Class licensee or higher licensee who has a satellite operator certification
D	Only an Amateur Extra Class operator who is also an AMSAT member

29. - T8C06

How is access to an IRLP node accomplished?

Select	Answer
A	By entering the proper Internet password
B	By obtaining a password which is sent via voice to the node
C	By using DTMF signals
D	By using CTCSS tone codes

30. - T8D10

Which of the following can be used to transmit CW in the amateur bands?

Select	Answer
A	Straight Key
B	Computer Keyboard
C	Electronic Keyer
D	All of these choices are correct

31. - T9A09

What is the approximate length, in inches, of a 6 meter 1/2-wavelength wire dipole antenna?

Select	Answer
A	236
B	50
C	112
D	6

32. - T9B04

What does an antenna tuner do?

Select	Answer
A	It allows an antenna to be used on both transmit and receive
B	It matches the antenna system impedance to the transceiver's output impedance
C	It helps a receiver automatically tune in weak stations
D	It automatically selects the proper antenna for the frequency band being used

33. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	All of these choices are correct
B	Shorting the terminals can cause burns, fire, or an explosion
C	RF emissions from the battery
D	Touching both terminals with the hands can cause electrical shock

34. - T0B05

What is the purpose of a gin pole?

Select	Answer
A	To lift tower sections or antennas
B	To be used in place of a safety harness
C	To temporarily replace guy wires
D	To provide a temporary ground

35. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation can only be detected with an RF dosimeter
B	RF radiation is limited in range to a few feet
C	RF radiation does not have sufficient energy to cause genetic damage
D	RF radiation is perfectly safe

Figure T2

Figure T1