US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Anonymous User

US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Logging in (or registering) will help the system to select questions that you need to focus on.

1. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	Connect all AC powered station equipment to a common safety ground
B	Install mechanical interlocks in high-voltage circuits
C	Use three-wire cords and plugs for all AC powered equipment
D	All these choices are correct

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

Select	Answer
A	Use only non-insulated wire
B	Common grounds must be avoided
C	Sharp bends must be avoided
D	Wires must be carefully routed with precise right-angle bends

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
B	RF radiation can only be detected with an RF dosimeter
C	RF radiation is limited in range to a few feet
D	RF radiation is perfectly safe

4. - T1A09

Who selects a Frequency Coordinator?

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

5. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Fixed digital message forwarding systems only
B	Fast-scan television only
C	Emergency traffic only
D	Spread spectrum only

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	KF1XXX
B	All these choices are correct
C	W1XX
D	KA1X

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Beacon, repeater, or space stations
B	Earth, repeater, or space stations
C	Repeater, auxiliary, or space stations
D	Auxiliary, beacon, or Earth stations

8. - T1E03

Who must designate the station control operator?

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

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Operation when the transmitting equipment is licensed to a person other than the control operator
B	Amateur radio communications where three stations are in communications with one another
C	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
D	A message from a control operator to another amateur station control operator on behalf of another person

10. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Multiplex
B	Simplex
C	Full duplex
D	Diplex

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	Your repeater offset is inverted
B	You need to talk louder
C	Your transmit power is too high
D	You are talking too loudly

12. - T2C01

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

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

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

Select	Answer
A	Intermodulation distortion
B	Random combining of signals arriving via different paths
C	Frequency shift due to Faraday rotation
D	Interference from thunderstorms

14. - T3B05

What is the relationship between wavelength and frequency?

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

15. - T3C11

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

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

16. - T4A12

What is an electronic keyer?

Select	Answer
A	A device for switching antennas from transmit to receive
B	A device that assists in manual sending of Morse code
C	A device for voice activated switching from receive to transmit
D	An interlock to prevent unauthorized use of a radio

17. - T4B11

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

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

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Tesla
B	Farad
C	Henry
D	Hertz

19. - T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

Select	Answer
A	3 dB
B	10 dB
C	5 dB
D	2 dB

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

Select	Answer
A	P = I + E
B	P = E – I
C	P = E / I
D	P = I  E

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	16 ohms
B	8 ohms
C	3 ohms
D	48 ohms

22. - T6A12

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

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

23. - T6B08

What does the abbreviation FET stand for?

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

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Light emitting diode
B	Resistor
C	Regulator IC
D	Inductor

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Diode
B	Transistor
C	Transformer
D	Variable capacitor

26. - T7A02

What is a transceiver?

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

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Talk farther away from the microphone
B	Change to a higher power level
C	Let the transceiver cool off
D	Talk louder into the microphone

28. - T7C09

Which of the following causes failure of coaxial cables?

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

29. - T7D08

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

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

30. - T8A11

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

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

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	A licensed radio amateur who has been certified by the protocol developer
B	A licensed radio amateur who has registered for an access code from AMSAT
C	Anyone
D	A licensed radio amateur with a transmitter equipped for interrogating the satellite

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	DMR
B	D-STAR
C	EchoLink
D	IRLP

33. - T8D01

Which of the following is a digital communications mode?

Select	Answer
A	FT8
B	IEEE 802.11
C	All these choices are correct
D	Packet radio

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

Select	Answer
A	A travelling-wave antenna
B	A horizontally polarized antenna
C	A ground-wave antenna
D	A vertically polarized antenna

35. - T9B06

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

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

Figure T-2