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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	Touching both terminals with the hands can cause electrical shock
B	All these choices are correct
C	Shorting the terminals can cause burns, fire, or an explosion
D	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas

2. - T0B03

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

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

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The difference between the PEP and average power output of a transmitter
B	The percentage of time that a transmitter is not transmitting
C	The difference between the lowest power output and the highest power output of a transmitter
D	The percentage of time that a transmitter is transmitting

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	An email notification from the NCVEC granting the license
B	All these choices are correct
C	A printed copy of the certificate of successful completion of examination
D	The license appears in the FCC ULS database

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

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Life
B	Ten years
C	Eight years
D	Five years

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
B	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
C	Any country banned from such communications by the International Amateur Radio Union (IARU)
D	Any country banned from making such communications by the American Radio Relay League (ARRL)

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	Any licensed operator
B	The frequency coordinator
C	The station licensee
D	The FCC

9. - T1F04

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

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

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit the other station’s call sign followed by your call sign
B	Transmit your call sign followed by the other station’s call sign
C	Transmit "CQ" followed by the other station’s call sign
D	Transmit a signal report followed by your call sign

11. - T2B01

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

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

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	When operating a RACES station
B	When operating under special ARES rules
C	When operating under special FEMA rules
D	FCC rules always apply

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Polarization rotation
B	Absorption
C	Knife-edge diffraction
D	Amplification

14. - T3B08

What frequency range is referred to as VHF?

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

15. - T3C08

What causes tropospheric ducting?

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

16. - T4A07

Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

Select	Answer
A	Computer “line in” to transceiver speaker connector
B	Computer “line in” to transceiver push-to-talk
C	Computer “line out” to transceiver push-to-talk
D	Computer “line out” to transceiver speaker connector

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	Prevents interference to nearby repeaters
D	Tunes through a range of frequencies to check for activity

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	They have many free protons
B	They have many free electrons
C	All these choices are correct
D	They have relatively high density

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C06

What does the abbreviation “RF” mean?

Select	Answer
A	The resonant frequency of a tuned circuit
B	Radio frequency signals of all types
C	Reflective force in antenna transmission lines
D	The real frequency transmitted as opposed to the apparent frequency

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	24,000 amperes
B	0.1 amperes
C	10 amperes
D	216 amperes

22. - T6A07

What electrical component is typically constructed as a coil of wire?

Select	Answer
A	Switch
B	Capacitor
C	Inductor
D	Diode

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	Forward voltage drop
B	On resistance
C	Gain
D	Forward resistance

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Ground symbol
B	Battery
C	Transistor
D	Resistor

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Oscillator
B	Phase inverter
C	Filter
D	Regulator

26. - T7A03

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

Select	Answer
A	Mixer
B	Phase splitter
C	Amplifier
D	Inverter

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Select	Answer
A	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
B	Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
C	Immediately turn off your transmitter and contact the nearest FCC office for assistance
D	All these choices are correct

28. - T7C06

What does an SWR reading of 4:1 indicate?

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

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	Excessive solder
B	Dark black spots
C	A rough or lumpy surface
D	A bright or shiny surface

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Suppressed sideband
B	Lower sideband
C	Inverted sideband
D	Upper sideband

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Blocking access by other users
B	Possibility of commanding the satellite to an improper mode
C	Possibility of rebooting the satellite control computer
D	Overloading the satellite batteries

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	IRLP
B	EchoLink
C	D-STAR
D	DMR

33. - T8D03

What kind of data can be transmitted by APRS?

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

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	50
B	112
C	236
D	6

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	Type N
B	DB-25
C	UHF (PL-259/SO-239)
D	RS-213

Figure T-1