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. - T0A10

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

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

2. - T0B05

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

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

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Gamma radiation
B	Non-ionizing radiation
C	Alpha radiation
D	Ionizing radiation

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	No more than two
B	One
C	One for each band on which the person plans to operate
D	One for each permanent station location from which the person plans to operate

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	To allow for transmitter frequency drift
B	So that modulation sidebands do not extend beyond the band edge
C	All these choices are correct
D	To allow for calibration error in the transmitter frequency display

6. - T1C09

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

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

7. - T1D02

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

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

8. - T1E06

When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

Select	Answer
A	As part of a multi-operator contest team
B	When designated as the control operator by an Amateur Extra Class licensee
C	At no time
D	When using a club station whose trustee holds an Amateur Extra Class license

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	The person must be a U.S. citizen
B	All these choices are correct
C	The licensed control operator must do the station identification
D	The foreign station must be in a country with which the U.S. has a third party agreement

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	Listen first to be sure that no one else is using the frequency
B	Ask if the frequency is in use
C	Make sure you are authorized to use that frequency
D	All these choices are correct

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	CTCSS
B	GPRS
C	DTMF
D	D-STAR

12. - T2C04

What is RACES?

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

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	FM voice is unusable
B	Digital modes are unusable
C	Both the transmitting and receiving antennas must be of the same polarization
D	Either vertically or horizontally polarized antennas may be used for transmission or reception

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength and frequency increase as path length increases
B	Wavelength gets shorter as frequency increases
C	Wavelength and frequency are unrelated
D	Wavelength gets longer as frequency increases

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Temperature inversions in the atmosphere
B	Discharges of lightning during electrical storms
C	Updrafts from hurricanes and tornadoes
D	Sunspots and solar flares

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	In the feed line, between the transmitter and antenna
B	In the power supply cable, as close as possible to the radio
C	At the power supply output
D	In parallel with the push-to-talk line and the antenna

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	The codec type being used
B	Your output power
C	All these choices are correct
D	Your call sign

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Ohms
B	Coulombs
C	Siemens
D	Mhos

19. - T5B11

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

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

20. - T5C01

What describes the ability to store energy in an electric field?

Select	Answer
A	Tolerance
B	Inductance
C	Resistance
D	Capacitance

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	12 volts
B	20 volts
C	0.2 volts
D	8 volts

22. - T6A05

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

Select	Answer
A	Capacitor
B	Resistor
C	Oscillator
D	Potentiometer

23. - T6B08

What does the abbreviation FET stand for?

Select	Answer
A	Free Electron Transmitter
B	Fast Electron Transistor
C	Field Effect Transistor
D	Frequency Emission Transmitter

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Connector
B	Resistor
C	Battery
D	Transistor

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	An inductor and a capacitor in series or parallel
B	A circuit designed to provide high-fidelity audio
C	A resistor circuit used for reducing standing wave ratio
D	A linear voltage regulator

26. - T7A07

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

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

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	Preamplifier
B	Band-pass filter
C	Ferrite choke
D	Low-pass filter

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Directional wattmeter
B	Ohmmeter
C	Voltmeter
D	Iambic pentameter

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Failing to connect one of the probes to ground
B	Attempting to measure voltage when using the resistance setting
C	Not allowing it to warm up properly
D	Attempting to measure resistance using the voltage setting

30. - T8A12

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

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

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Interfering signals within the satellite uplink band
B	Rotation of the satellite and its antennas
C	Circular polarized noise interference radiated from the sun
D	Doppler shift of the received signal

32. - T8C05

What is a grid locator?

Select	Answer
A	An instrument for neutralizing a final amplifier
B	An instrument for radio direction finding
C	A letter-number designator assigned to an azimuth and elevation
D	A letter-number designator assigned to a geographic location

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
B	An internet linking protocol used to network repeaters
C	A wide-bandwidth digital voice mode employing DMR protocols
D	A satellite communications network using modified commercial satellite TV hardware

34. - T9A02

Which of the following describes a type of antenna loading?

Select	Answer
A	Strengthening the radiating elements of a beam antenna to better resist wind damage
B	Installing a spring in the base of a mobile vertical antenna to make it more flexible
C	Inserting a resistor in the radiating portion of the antenna to make it resonant
D	Electrically lengthening by inserting inductors in radiating elements

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-58 cable can handle higher power levels
B	There is no significant difference between the two types
C	RG-58 cable has two shields
D	RG-213 cable has less loss at a given frequency

Figure T-1