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. - T1A14

What must you do if you are operating on the 23 cm band and learn that you are interfering with a radiolocation station outside the United States?

Select	Answer
A	Change to CW mode, because this would not likely cause interference
B	Nothing, because this band is allocated exclusively to the amateur service
C	Stop operating or take steps to eliminate the harmful interference
D	Establish contact with the radiolocation station and ask them to change frequency

2. - T1B02

Why are the frequency assignments for some U.S. Territories different from those in the 50 U.S. States?

Select	Answer
A	Some U. S. Territories are located in ITU regions other than region 2
B	Territorial frequency allocations must also include those of adjacent countries
C	Any territory that was in existence before the ratification of the Communications Act of 1934 is exempt from FCC frequency regulations
D	Territorial governments are allowed to select their own frequency allocations

3. - T1C02

Which of the following is a valid US amateur radio station call sign?

Select	Answer
A	KMA3505
B	11Q1176
C	KDKA
D	W3ABC

4. - T1D04

What is the only time an amateur station is authorized to transmit music?

Select	Answer
A	When the music is transmitted above 1280 MHz
B	When incidental to an authorized retransmission of manned spacecraft communications
C	When the purpose is to interfere with an illegal transmission
D	When the music produces no spurious emissions

5. - T1E10

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

Select	Answer
A	Operating the station over the Internet
B	All of these choices are correct
C	Controlling a model aircraft, boat or car by amateur radio
D	Repeater operation

6. - T1F04

Which of the following is an acceptable language to use for station identification when operating in a phone sub-band?

Select	Answer
A	English, French, or Spanish
B	Any language recognized by the ITU
C	Any language recognized by the United Nations
D	The English language

7. - T2A01

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

Select	Answer
A	Minus 500 kHz
B	Plus 500 kHz
C	Plus or minus 600 kHz
D	Only plus 600 kHz

8. - T2B05

What determines the amount of deviation of an FM (as opposed to PM) signal?

Select	Answer
A	Both the frequency and amplitude of the modulating signal
B	The amplitude of the modulating signal
C	The frequency of the modulating signal
D	The relative phase of the modulating signal and the carrier

9. - T2C05

Which of the following describes the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	A radio service using amateur stations for emergency management or civil defense communications
B	All of these choices are correct
C	A radio service using amateur frequencies for emergency management or civil defense communications
D	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization

10. - T3A06

What term is commonly used to describe the rapid fluttering sound sometimes heard from mobile stations that are moving while transmitting?

Select	Answer
A	Picket fencing
B	Frequency shifting
C	Flip-flopping
D	Pulsing

11. - T3B08

What are the frequency limits of the VHF spectrum?

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

12. - T3C12

Which of the following bands may provide long distance communications during the peak of the sunspot cycle?

Select	Answer
A	23 centimeters
B	All of these choices are correct
C	70 centimeters or 1.25 meters
D	Six or ten meters

13. - T4A01

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

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

14. - T4B12

What is the function of automatic gain control or AGC?

Select	Answer
A	To protect an antenna from lightning
B	To eliminate RF on the station cabling
C	To keep received audio relatively constant
D	An asymmetric goniometer control used for antenna matching

15. - T5A12

What term describes the number of times per second that an alternating current reverses direction?

Select	Answer
A	Wavelength
B	Frequency
C	Pulse rate
D	Speed

16. - T5B02

What is another way to specify a radio signal frequency of 1,500,000 hertz?

Select	Answer
A	15 GHz
B	150 kHz
C	1500 MHz
D	1500 kHz

17. - T5C06

What does the abbreviation RF refer to?

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

18. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	8 Ohms
B	3 ohms
C	16 ohms
D	48 ohms

19. - T6A05

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

Select	Answer
A	Potentiometer
B	Resistor
C	Capacitor
D	Oscillator

20. - T6B12

What is the term that describes a transistor's ability to amplify a signal?

Select	Answer
A	Forward resistance
B	On resistance
C	Gain
D	Forward voltage drop

21. - T6C09

What is component 4 in figure T2?

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

22. - T6D06

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

Select	Answer
A	Transformer
B	Transistor
C	Variable capacitor
D	Diode

23. - T7A10

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

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

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?

Select	Answer
A	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
B	Immediately turn off your transmitter and contact the nearest FCC office for assistance
C	Make 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
D	Tell them that your license gives you the right to transmit and nothing can be done to reduce the interference

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	Moisture contamination
C	Gamma rays
D	Overloading

26. - T7D03

How is an ammeter usually connected to a circuit?

Select	Answer
A	In series with the circuit
B	In phase with the circuit
C	In parallel with the circuit
D	In quadrature with the circuit

27. - T8A10

What is the typical bandwidth of analog fast-scan TV transmissions on the 70 cm band?

Select	Answer
A	About 1 MHz
B	About 6 MHz
C	More than 10 MHz
D	About 3 MHz

28. - T8B10

What do the initials LEO tell you about an amateur satellite?

Select	Answer
A	The satellite is in a Low Earth Orbit
B	The satellite is performing a Lunar Ejection Orbit maneuver
C	The satellite uses Light Emitting Optics
D	The satellite battery is in Low Energy Operation mode

29. - T8C04

Which of the following is good procedure when contacting another station in a radio contest?

Select	Answer
A	Be sure to sign only the last two letters of your call if there is a pileup calling the station
B	All of these choices are correct
C	Send only the minimum information needed for proper identification and the contest exchange
D	Work the station twice to be sure that you are in his log

30. - T8D09

What code is used when sending CW in the amateur bands?

Select	Answer
A	Hamming
B	Gray
C	International Morse
D	Baudot

31. - T9A13

Why are VHF or UHF mobile antennas often mounted in the center of the vehicle roof?

Select	Answer
A	Roof mounted antennas are always the easiest to install
B	A roof mounted antenna normally provides the most uniform radiation pattern
C	Only roof mounting can guarantee a vertically polarized signal
D	Roof mounts have the lowest possible SWR of any mounting configuration

32. - T9B11

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

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

33. - T0A03

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

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

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

35. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By informing the FCC of any changes made in your station
B	By re-evaluating the station whenever an item of equipment is changed
C	All of these choices are correct
D	By making sure your antennas have low SWR

Figure T2