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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	All these choices are correct
B	The larger fuse would be likely to blow because it is rated for higher current
C	Excessive current could cause a fire
D	The power supply ripple would greatly increase

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
B	1/2 wavelength at the operating frequency
C	Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
D	The height of the power line above ground

3. - T0C04

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

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

4. - T1A07

What is the FCC Part 97 definition of a space station?

Select	Answer
A	Any satellite orbiting Earth
B	An amateur station using amateur radio satellites for relay of signals
C	A manned satellite orbiting Earth
D	An amateur station located more than 50 km above Earth's surface

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

6. - T1C04

What may happen if the FCC is unable to reach you by email?

Select	Answer
A	Revocation of the station license or suspension of the operator license
B	Nothing; there is no such requirement
C	Revocation of access to the license record in the FCC system
D	Fine and suspension of operator license

7. - T1D11

When may an amateur station transmit without identifying on the air?

Select	Answer
A	When transmitting signals to control model craft
B	When the transmissions are of a brief nature to make station adjustments
C	When the transmitted power level is below 1 watt
D	When the transmissions are unmodulated

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	The control operator must indirectly manipulate the controls
B	All these choices are correct
C	The control operator must be at the control point
D	A control operator is required at all times

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

10. - T2A03

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

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

11. - T2B11

Which Q signal indicates that you are changing frequency?

Select	Answer
A	QRZ
B	QRU
C	QSY
D	QSL

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	Speak very loudly into the microphone
B	Spell the words using a standard phonetic alphabet
C	Send the words by voice and Morse code
D	All these choices are correct

13. - T3A06

What is the meaning of the term “picket fencing”?

Select	Answer
A	Alternating transmissions during a net operation
B	Local vs long-distance communications
C	A type of ground system used with vertical antennas
D	Rapid flutter on mobile signals due to multipath propagation

14. - T3B04

What is the velocity of a radio wave traveling through free space?

Select	Answer
A	Speed of light
B	Speed of sound
C	Speed inversely proportional to its wavelength
D	Speed that increases as the frequency increases

15. - T3C08

What causes tropospheric ducting?

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

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	FT8 digital communications via AFSK
B	High-speed digital communications for meteor scatter
C	Communication using digital voice or data systems via the internet
D	RTTY encoding and decoding without a computer

17. - T4B02

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

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

18. - T5A10

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

Select	Answer
A	Power
B	Current
C	Resistance
D	Voltage

19. - T5B04

Which is equal to one microvolt?

Select	Answer
A	One million volts
B	One one-thousandth of a volt
C	One one-millionth of a volt
D	One thousand kilovolts

20. - T5C12

What is impedance?

Select	Answer
A	The opposition to AC current flow
B	The power handling capability of a component
C	The inverse of resistance
D	The Q or Quality Factor of a component

21. - T5D02

What formula is used to calculate voltage in a circuit?

Select	Answer
A	E = I + R
B	E = I x R
C	E = I / R
D	E = I - R

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Field strength
B	Resistance
C	Inductance
D	Capacitance

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With the word "cathode"
B	With the letter K
C	With a stripe
D	With the letter C

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Resistor
B	Transistor
C	Battery
D	Ground symbol

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 linear voltage regulator
C	A circuit designed to provide high-fidelity audio
D	A resistor circuit used for reducing standing wave ratio

26. - T7A03

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

Select	Answer
A	Amplifier
B	Mixer
C	Inverter
D	Phase splitter

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
B	All these choices are correct
C	Work with your neighbor to identify the offending device
D	Make sure your station meets the standards of good amateur practice

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

Select	Answer
A	A Q meter
B	An antenna analyzer
C	A VTVM
D	A frequency counter

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Rosin-core solder
B	Acid-core solder
C	Tin-copper solder
D	Lead-tin solder

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	1000 Hz
B	15 kHz
C	150 Hz
D	2.4 kHz

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	All these choices are correct
B	Your signal strength on the downlink should be about the same as the beacon
C	Listen for distortion on your downlink signal
D	Check your signal strength report in the telemetry data

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

33. - T8D03

What kind of data can be transmitted by APRS?

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

34. - T9A10

In which direction does a half-wave dipole antenna radiate the strongest signal?

Select	Answer
A	Broadside to the antenna
B	Off the ends of the antenna
C	Equally in all directions
D	In the direction of the feed line

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The loss increases
B	The characteristic impedance decreases
C	The characteristic impedance increases
D	The loss decreases

Figure T-1