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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Inverse memory effect
B	Excess output ripple
C	Overheating or out-gassing
D	Half-wave rectification

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Prevent loosening of the turnbuckle from vibration
B	Provide an ability to measure for proper tensioning
C	Provide a ground path for lightning strikes
D	Secure the guy line if the turnbuckle breaks

3. - T0C12

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

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

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	All these choices are correct
C	A radio service using amateur stations for emergency management or civil defense communications
D	A radio service using amateur frequencies for emergency management or civil defense communications

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.100 MHz to 28.300 MHz
B	28.300 MHz to 28.500 MHz
C	28.500 MHz to 28.600 MHz
D	28.050 MHz to 28.150 MHz

6. - T1C09

What is the grace period for renewal if an amateur license expires?

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

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	The ITU maintains a list of words that are not permitted to be used on amateur frequencies
B	Any such language is prohibited
C	The FCC maintains a list of words that are not permitted to be used on amateur frequencies
D	There is no such prohibition

8. - T1E10

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

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

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

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

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

Select	Answer
A	Plus or minus 1 MHz
B	Plus or minus 600 kHz
C	Plus or minus 500 kHz
D	Plus or minus 5 MHz

11. - T2B10

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

Select	Answer
A	QRN
B	QRM
C	QTH
D	QSB

12. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	Information needed to track the message
B	The telephone number of the addressee
C	The address of the intended recipient
D	The email address of the originating station

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	Received signal strength is reduced
B	Nothing significant will happen
C	Signals have an echo effect
D	The modulation sidebands might become inverted

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C07

What band is best suited for communicating via meteor scatter?

Select	Answer
A	33 centimeters
B	6 meters
C	2 meters
D	70 centimeters

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	NMEA GPS location and DC power
B	Receive and transmit mode, status, and location
C	Antenna and RF power
D	Receive audio, transmit audio, and transmitter keying

17. - T4B05

What does the scanning function of an FM transceiver do?

Select	Answer
A	Checks for messages left on a digital bulletin board
B	Checks incoming signal deviation
C	Tunes through a range of frequencies to check for activity
D	Prevents interference to nearby repeaters

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	All these choices are correct
B	RF current
C	Alternating current
D	Direct current

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	18 dB
B	28 dB
C	12 dB
D	10 dB

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

Select	Answer
A	23.8 watts
B	138 watts
C	3.8 watts
D	0.7 watts

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Series
B	Branch
C	Resonant
D	Parallel

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	All these choices are correct
B	Nickel-metal hydride
C	Lithium-ion
D	Lead-acid

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Alternator
B	Transistor
C	Pentagrid converter
D	Triode

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Transistor
B	Indicator lamp
C	Connector
D	Resistor

25. - T6D01

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

Select	Answer
A	Reflector
B	Transformer
C	Amplifier
D	Rectifier

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Provides a transmit tuning tone when grounded
B	Switches transceiver from receive to transmit when grounded
C	Input for a key used to send CW
D	Input for a preamplifier tuning tone

27. - T7B10

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

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

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Solder flux contamination
B	Operation at 100% duty cycle for an extended period
C	Rapid fluctuation in transmitter output power
D	Moisture contamination

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

Select	Answer
A	In phase
B	In quadrature
C	In parallel
D	In series

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

Select	Answer
A	FM or PM
B	PSK
C	SSB
D	AM

31. - T8B04

What mode of transmission is commonly used by amateur radio satellites?

Select	Answer
A	All these choices are correct
B	CW/data
C	SSB
D	FM

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A system for providing access to websites via amateur radio
B	A technique for measuring signal strength of an amateur transmitter via the internet
C	A system for informing amateurs in real time of the frequency of active DX stations
D	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)

33. - T8D06

What does the abbreviation "PSK" mean?

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

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	It has low efficiency
B	It transmits only circularly polarized signals
C	All these choices are correct
D	It is mechanically fragile

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Reduced television interference
B	All these choices are correct
C	Reduced signal loss
D	Less antenna wear

Figure T-1