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. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

Select	Answer
A	At the ac power service panel
B	At the antenna feed point
C	On a grounded panel near where feed lines enter the building
D	At the output connector of a transceiver

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	Never
B	When the work being done is not more than 20 feet above the ground
C	When no mechanical work is being performed
D	When no electrical work is being performed

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	There is no adjustment allowed for lower duty cycle
B	It increases by a factor of 2
C	It increases by a factor of 3
D	It decreases by 50 percent

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
B	FCC Regional Field Office
C	The FCC Office of Spectrum Management and Coordination Policy
D	The local chapter of the Office of National Council of Independent Frequency Coordinators

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	50 watts
C	200 watts
D	100 watts

6. - T1C01

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

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

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	In all circumstances
B	Telecommand or transmissions of telemetry
C	International Morse Code Practice
D	Broadcasting

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	Never
B	When the station licensee is away and another licensed amateur is using the station
C	When using automatic control, such as in the case of a repeater
D	When the transmitting station is an auxiliary station

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Operation when the transmitting equipment is licensed to a person other than the control operator
B	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
C	A message from a control operator to another amateur station control operator on behalf of another person
D	Amateur radio communications where three stations are in communications with one another

10. - T2A07

What is meant by "repeater offset”?

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

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Reduce interference from impulse noise
B	Mute the receiver audio when a signal is not present
C	Eliminate parasitic oscillations in an RF amplifier
D	Reduce a CW transmitter's key clicks

12. - T2C04

What is RACES?

Select	Answer
A	An emergency organization combining amateur radio and citizens band operators and frequencies
B	An FCC part 97 amateur radio service for civil defense communications during national emergencies
C	An international radio experimentation society
D	A radio contest held in a short period, sometimes called a “sprint”

13. - T3A07

What weather condition might decrease range at microwave frequencies?

Select	Answer
A	Precipitation
B	Colder temperatures
C	High winds
D	Low barometric pressure

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio signals move somewhat faster than the speed of light
B	The atmosphere refracts radio waves slightly
C	Radio waves are not blocked by dust particles
D	Radio waves are blocked by dust particles

16. - T4A04

How are the transceiver audio input and output connected in a station configured to operate using FT8?

Select	Answer
A	To a computer running a terminal program and connected to a terminal node controller unit
B	To an FT8 conversion unit, a keyboard, and a computer monitor
C	To the audio input and output of a computer running WSJT-X software
D	To a computer connected to the FT8converter.com website

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Permits monitoring several modes at once by selecting a separate filter for each mode
B	Increases the number of frequencies that can be stored in memory
C	Permits noise or interference reduction by selecting a bandwidth matching the mode
D	Increases the amount of offset between receive and transmit frequencies

18. - T5A10

Which term describes the rate at which electrical energy is used?

Select	Answer
A	Power
B	Resistance
C	Current
D	Voltage

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. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	Mhz
B	mh
C	MH
D	MHz

21. - T5D14

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

Select	Answer
A	Resonant
B	Parallel
C	Series
D	Branch

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Fuse
B	All these choices are correct
C	Thyratron
D	Varactor

23. - T6B03

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

Select	Answer
A	Thermistor
B	Transistor
C	Varistor
D	Potentiometer

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Regulator IC
B	Capacitor
C	Resistor
D	Transistor

25. - T6D08

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

Select	Answer
A	Capacitor
B	Potentiometer
C	Zener diode
D	Resistor

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Impedance matching
B	Oscillation
C	Low-pass filtering
D	Modulation

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Low-pass filter
B	Ferrite choke
C	Preamplifier
D	Band-pass filter

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Gain of +4 dB
B	Loss of -4 dB
C	Good impedance match
D	Impedance mismatch

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the circuit is operating at the correct frequency
B	Ensure that the applied voltages are correct
C	Ensure that the circuit is not powered
D	Ensure that the circuit is grounded

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	6 kHz
B	15 kHz
C	3 kHz
D	1 kHz

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

Select	Answer
A	Time of day accurate to plus or minus 1/10 second
B	Health and status of the satellite
C	All these choices are correct
D	The signal strength of received signals

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A technique for measuring signal strength of an amateur transmitter via the internet
B	A system for providing access to websites via amateur radio
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	Phase Shift Keying
B	Pulse Shift Keying
C	Phased Slide Keying
D	Packet Short Keying

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

Select	Answer
A	All these choices are correct
B	The bandwidth of the antenna will decrease, increasing SWR
C	Signal strength is reduced due to the shielding effect of the vehicle
D	The SWR might decrease, decreasing the signal strength

35. - T9B09

What can cause erratic changes in SWR?

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

Figure T-2