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

2. - T0B02

What is required when climbing an antenna tower?

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

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	All these choices are correct
B	Electrocution
C	RF burn to skin
D	Radiation poisoning

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	The license appears in the FCC ULS database
C	A printed copy of the certificate of successful completion of examination
D	All these choices are correct

5. - T1B08

How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

Select	Answer
A	U.S. amateurs must give foreign amateur stations priority in those segments
B	Digital transmissions are not permitted in those segments
C	U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
D	International communications are not permitted in those segments

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. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	When broadcasting communications to or from the space shuttle
B	Never
C	When such communications are directly related to the immediate safety of human life or protection of property
D	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The station custodian
B	The person operating the station equipment
C	The station licensee
D	The third party participant

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	All these choices are correct
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	The person must be a U.S. citizen

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

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

11. - T2B06

What type of signaling uses pairs of audio tones?

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

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	A list of stations that have relayed the message
B	The call sign of the originating station
C	A box on the message form that indicates that the message was received and/or relayed
D	The number of words or word equivalents in the text portion of the message

13. - T3A07

What weather condition might decrease range at microwave frequencies?

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

14. - T3B08

What frequency range is referred to as VHF?

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

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. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
B	Divide the battery ampere-hour rating by the average current draw of the equipment
C	Multiply the square of the current rating of the battery by the input resistance of the equipment
D	Multiply the watts per hour consumed by the equipment by the battery power rating

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Enable squelch enhancement
B	Set the squelch threshold so that receiver output audio is on all the time
C	Turn on the anti-squelch function
D	Turn up the audio level until it overcomes the squelch threshold

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Capacitance
B	Ampere-hours
C	Inductance
D	Voltage

19. - T5B11

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

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

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	kHz
B	KHZ
C	khZ
D	khz

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	100 amperes
B	0.5 amperes
C	20,000 amperes
D	2 amperes

22. - T6A07

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

Select	Answer
A	Capacitor
B	Switch
C	Diode
D	Inductor

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Signal, bias, power
B	Input, output, supply
C	Pole one, pole two, output
D	Emitter, base, collector

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Transformer
B	Potentiometer
C	Double-pole switch
D	Variable inductor

25. - T6D05

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

Select	Answer
A	Oscillator
B	Phase inverter
C	Regulator
D	Filter

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Phase converter
B	Transverter
C	Low-pass filter
D	High-pass filter

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	All these choices are correct
C	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
D	Immediately turn off your transmitter and contact the nearest FCC office for assistance

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Moisture contamination
B	Operation at 100% duty cycle for an extended period
C	Solder flux contamination
D	Rapid fluctuation in transmitter output power

29. - T7D06

Which of the following can damage a multimeter?

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

30. - T8A08

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

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

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The satellite transmitted power
B	The Keplerian elements
C	The last observed time of zero Doppler shift
D	All these choices are correct

32. - T8C05

What is a grid locator?

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

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing voice over internet connection between repeaters
B	Providing information on the number of stations signed into a repeater
C	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
D	Showing automatically the number of packets transmitted via PACTOR during a specific time interval

34. - T9A11

What is antenna gain?

Select	Answer
A	The additional power that is added to the transmitter power
B	The increase in signal strength in a specified direction compared to a reference antenna
C	The additional power that is required in the antenna when transmitting on a higher frequency
D	The increase in impedance on receive or transmit compared to a reference antenna

35. - T9B06

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

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

Figure T-2