US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Anonymous User

US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

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

1. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

Select	Answer
A	In series with the hot conductor only
B	In parallel with the hot and neutral conductors
C	In series with the hot and neutral conductors
D	In parallel with the hot conductor only

2. - T0B02

What is required when climbing an antenna tower?

Select	Answer
A	Always wear an approved climbing harness
B	All these choices are correct
C	Have sufficient training on safe tower climbing techniques
D	Use appropriate tie-off to the tower at all times

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

Select	Answer
A	Frequency and power level of the RF field
B	Radiation pattern of the antenna
C	All these choices are correct
D	Distance from the antenna to a person

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

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

5. - T1B08

How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

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

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	No, you must wait until the license has been renewed
B	Yes, for up to two years
C	Yes, as soon as you apply for renewal
D	Yes, for up to one year

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Never
B	Only during contests
C	Only when transmitting control commands to space stations or radio control craft
D	Only when transmitting certain approved digital codes

8. - T1E02

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

Select	Answer
A	Any amateur allowed to transmit on the satellite uplink frequency
B	Only an Amateur Extra Class operator who is also an AMSAT member
C	Only an Amateur Extra Class operator
D	A General class or higher licensee with a satellite operator certification

9. - T1F09

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

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

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A voluntary guideline for using different modes or activities within an amateur band
B	A list of operating schedules
C	A plan devised by a club to indicate frequency band usage
D	A list of available net frequencies

11. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

Select	Answer
A	CTCSS
B	DTMF
C	Carrier squelch
D	Tone burst

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	Operation by mobile or portable stations
B	Requests to activate the net by a served agency
C	The number of stations checking in and out of a net
D	Messages exchanged by net stations

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

Select	Answer
A	Random combining of signals arriving via different paths
B	Frequency shift due to Faraday rotation
C	Intermodulation distortion
D	Interference from thunderstorms

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	Channel numbers
B	The approximate wavelength in meters
C	Traditional letter/number designators
D	All these choices are correct

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	UHF signals are absorbed by the ionospheric D region
B	They are too weak to go very far
C	FCC regulations prohibit them from going more than 50 miles
D	UHF signals are usually not propagated by the ionosphere

16. - T4A12

What is an electronic keyer?

Select	Answer
A	A device that assists in manual sending of Morse code
B	A device for switching antennas from transmit to receive
C	An interlock to prevent unauthorized use of a radio
D	A device for voice activated switching from receive to transmit

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

Select	Answer
A	The keypad or VFO knob
B	The CTCSS or DTMF encoder
C	The Automatic Frequency Control
D	All these choices are correct

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Frequency
B	Speed
C	Pulse rate
D	Wavelength

19. - T5B06

Which is equal to 3000 milliamperes?

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

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

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

21. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Select	Answer
A	1 volt
B	1.5 volts
C	0.25 volts
D	2.5 volts

22. - T6A06

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

Select	Answer
A	Diode
B	Inductor
C	Varistor
D	Capacitor

23. - T6B11

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

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

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Resistor
B	Connector
C	Battery
D	Transistor

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Resistor
B	Zener diode
C	Capacitor
D	Potentiometer

26. - T7A04

Which term describes the ability of a receiver to discriminate between multiple signals?

Select	Answer
A	Discrimination ratio
B	Sensitivity
C	Selectivity
D	Harmonic distortion

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Talk louder into the microphone
B	Let the transceiver cool off
C	Talk farther away from the microphone
D	Change to a higher power level

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To prevent over-modulation of a transmitter
B	To prevent transmitting signals over the air when making tests
C	To improve the signal-to-noise ratio of a receiver
D	To improve the efficiency of an antenna

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	A rough or lumpy surface
B	Excessive solder
C	Dark black spots
D	A bright or shiny surface

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Spread spectrum
B	Packet radio
C	Phase shift keying (PSK)
D	Single sideband

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	An observed change in signal frequency caused by relative motion between the satellite and Earth station
B	A special digital communications mode for some satellites
C	A change in the satellite orbit
D	A mode where the satellite receives signals on one band and transmits on another

32. - T8C04

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

Select	Answer
A	Send only the minimum information needed for proper identification and the contest exchange
B	Contact the station twice to be sure that you are in his log
C	Sign only the last two letters of your call if there are many other stations calling
D	All these choices are correct

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	All these choices are correct
B	GPS position data
C	Text messages
D	Weather data

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	19
B	112
C	50
D	12

35. - T9B11

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

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

Figure T-1