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

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	The antenna will not work properly because of induced voltages
B	The 60 Hz radiations from the feed line may increase the SWR
C	The antenna could contact high-voltage power lines
D	All these choices are correct

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It takes into account the thermal effects of the final amplifier
B	It affects the peak exposure to radiation
C	It affects the average exposure to radiation
D	It takes into account the antenna feed line loss

4. - T1A09

Who selects a Frequency Coordinator?

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

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	100 watts
B	1500 watts
C	500 watts
D	50 watts

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur with an Amateur Extra Class license
B	Only a licensed amateur with a General or Amateur Extra Class license
C	Only a licensed amateur who has been licensed continuously for more than 10 years
D	Any licensed amateur

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. - T1E03

Who must designate the station control operator?

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

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least every 15 minutes during and at the end of a communication
B	At least every 10 minutes during and at the end of a communication
C	At least once during each transmission
D	At the beginning of each contact, and every 10 minutes thereafter

10. - T2A01

What is a common repeater frequency offset in the 2 meter 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. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

Select	Answer
A	CTCSS
B	Carrier squelch
C	DTMF
D	Tone burst

12. - T2C02

Which of the following are typical duties of a Net Control Station?

Select	Answer
A	Ensure that all stations checking into the net are properly licensed for operation on the net frequency
B	All these choices are correct
C	Call the net to order and direct communications between stations checking in
D	Choose the regular net meeting time and frequency

13. - T3A06

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

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

14. - T3B11

What is the approximate velocity of a radio wave in free space?

Select	Answer
A	300,000,000 meters per second
B	150,000 miles per hour
C	300,000,000 miles per hour
D	150,000 meters per second

15. - T3C11

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

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

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	All these choices are correct
B	The frequency and power level at which the measurements will be made
C	The distance that the meter will be located from the antenna
D	The types of modulation being used at the station

17. - T4B11

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

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

18. - T5A07

Why are metals generally good conductors of electricity?

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

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	3 amperes
B	0.003 amperes
C	0.3 amperes
D	3,000,000 amperes

20. - T5C01

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

Select	Answer
A	Resistance
B	Capacitance
C	Inductance
D	Tolerance

21. - T5D14

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

Select	Answer
A	Resonant
B	Series
C	Branch
D	Parallel

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Double-pole double-throw
B	Single-pole single-throw
C	Single-pole double-throw
D	Double-pole single-throw

23. - T6B06

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

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

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Ground symbol
B	Resistor
C	Battery
D	Transistor

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	Bipolar transistor
B	FET
C	LED
D	Zener diode

26. - T7A02

What is a transceiver?

Select	Answer
A	A device that combines a receiver and transmitter
B	A device for matching feed line impedance to 50 ohms
C	A device for automatically sending and decoding Morse code
D	A device for converting receiver and transmitter frequencies to another band

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	Your transmitter is slightly off frequency
B	All these choices are correct
C	Your batteries are running low
D	You are in a bad location

28. - T7C02

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

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

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

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	Between 10 and 15 kHz
B	Less than 500 Hz
C	Between 50 and 125 kHz
D	About 150 kHz

31. - T8B06

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

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

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	Sign only the last two letters of your call if there are many other stations calling
B	Contact the station twice to be sure that you are in his log
C	All these choices are correct
D	Send only the minimum information needed for proper identification and the contest exchange

33. - T8D05

Which of the following is an application of APRS?

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

34. - T9A01

What is a beam antenna?

Select	Answer
A	An antenna that concentrates signals in one direction
B	An antenna built from aluminum I-beams
C	An omnidirectional antenna invented by Clarence Beam
D	An antenna that reverses the phase of received signals

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	Multiple connectors in the line
B	Water intrusion into coaxial connectors
C	High SWR
D	All these choices are correct

Figure T-2

Figure T-1