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

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

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1. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may disrupt the electrical functions of cells
B	It may cause involuntary muscle contractions
C	It may cause injury by heating tissue
D	All these choices are correct

2. - T0B02

What is required when climbing an antenna tower?

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

3. - T0C13

Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

Select	Answer
A	The local zoning board
B	The FCC
C	Anyone who is near an antenna
D	The station licensee

4. - T1A11

When is willful interference to other amateur radio stations permitted?

Select	Answer
A	When making short test transmissions
B	At no time
C	To stop another amateur station that is breaking the FCC rules
D	At any time, stations in the Amateur Radio Service are not protected from willful interference

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	10 watts
B	200 watts
C	100 watts
D	50 watts

6. - T1C01

For which license classes are new licenses currently available from the FCC?

Select	Answer
A	Novice, Technician, General, Amateur Extra
B	Technician, General, Amateur Extra
C	Technician, Technician Plus, General, Amateur Extra
D	Novice, Technician Plus, General, Advanced

7. - T1D06

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

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

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Repeater operation
B	Using a computer or other device to identify automatically
C	Using a computer or other device to send CW automatically
D	Controlling a station over the internet

9. - T1F03

When are you required to transmit your assigned call sign?

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

10. - T2A07

What is meant by "repeater offset”?

Select	Answer
A	The number of simultaneous transmit frequencies used by a repeater
B	The repeater station identification is done on a separate frequency
C	The repeater has a time delay to prevent interference
D	The difference between a repeater’s transmit and receive frequencies

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To listen on a repeater’s input frequency
B	To reduce power output
C	To increase power output
D	To listen on a repeater’s output frequency

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	Messages exchanged by net stations
D	The number of stations checking in and out of a net

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	Transmission rates must be decreased by a factor equal to the number of separate paths observed
B	Transmission rates must be increased by a factor equal to the number of separate paths observed
C	Error rates are likely to increase
D	No significant changes will occur if the signals are transmitted using FM

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	300 to 3000 kHz
B	300 to 3000 MHz
C	30 to 300 MHz
D	3 to 30 MHz

15. - T3C07

What band is best suited for communicating via meteor scatter?

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

16. - T4A11

Where should the negative power return of a mobile transceiver be connected in a vehicle?

Select	Answer
A	Through the transceiver’s mounting bracket
B	To any metal part of the vehicle
C	At the 12 volt battery chassis ground
D	At the antenna mount

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	All these choices are correct
B	Distorted transmitted audio
C	Frequency instability
D	Increased SWR

18. - T5A09

Which of the following describes alternating current?

Select	Answer
A	Current that alternates between a negative direction and zero
B	Current that alternates between a positive direction and zero
C	Current that alternates between positive and negative directions
D	All these answers are correct

19. - T5B05

Which is equal to 500 milliwatts?

Select	Answer
A	50 watts
B	0.02 watts
C	5 watts
D	0.5 watts

20. - T5C02

What is the unit of capacitance?

Select	Answer
A	The farad
B	The volt
C	The ohm
D	The henry

21. - 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

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	A single circuit is opened or closed
B	Two circuits are each switched between one of two other circuits
C	A single circuit is switched between one of two other circuits
D	Two circuits are opened or closed

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Thermistor
B	Transistor
C	Varistor
D	Potentiometer

24. - T6C07

What is component 8 in figure T-2?

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

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To decrease the resistance of DC power connections
B	To couple the wire to other signals
C	To prevent coupling of unwanted signals to or from the wire
D	To increase the current carrying capability of the wire

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Mixer
B	Amplifier
C	Inverter
D	Phase splitter

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Switch the transmitter to a narrow-band mode
B	Block the interfering signal with a filter on the amateur transmitter
C	Switch the transmitter from FM to SSB
D	Block the amateur signal with a filter at the antenna input of the affected receiver

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It requires special techniques to prevent moisture in the cable
B	It cannot be used for VHF or UHF antennas
C	It cannot be used at below freezing temperatures
D	It has more loss per foot

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. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

Select	Answer
A	Voice quality is poorer
B	Only one signal can be received at a time
C	FM signals are harder to tune
D	All these choices are correct

31. - T8B04

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

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

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	All these choices are correct
C	Contact the station twice to be sure that you are in his log
D	Sign only the last two letters of your call if there are many other stations calling

33. - T8D13

What is FT8?

Select	Answer
A	A wideband FM voice mode
B	An eight channel multiplex mode for FM repeaters
C	A digital mode capable of low signal-to-noise operation
D	A digital slow-scan TV mode with forward error correction and automatic color compensation

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It radiates at a very high angle
B	It eliminates distortion caused by reflected signals
C	It has more gain than a 1/4-wavelength antenna
D	It has 10 times the power gain of a 1/4 wavelength whip

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Overload from a strong local station
B	Over-modulation
C	Loose connection in the antenna or feed line
D	Local thunderstorm

Figure T-2