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	The power supply ripple would greatly increase
D	Excessive current could cause a fire

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	FAA tower lighting regulations
B	FCC Part 97 rules
C	UL recommended practices
D	Local electrical codes

3. - T0C11

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

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

4. - T1A07

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

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

5. - T1B08

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

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

6. - T1C05

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

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

7. - T1D11

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

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

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	Any amateur allowed to transmit on the satellite uplink frequency
B	A General class or higher licensee with a satellite operator certification
C	Only an Amateur Extra Class operator who is also an AMSAT member
D	Only an Amateur Extra Class operator

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The control operator of the repeater
B	Both the originating station and the repeater owner
C	The control operator of the originating station
D	The owner of the repeater

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. - T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

Select	Answer
A	You are using the wrong CTCSS tone
B	You are using the wrong DCS code
C	All these choices are correct
D	Improper transceiver offset

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
B	Unless you are reporting an emergency, transmit only when directed by the net control station
C	All these choices are correct
D	Record the time of each of your transmissions

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	Range increase
B	Deflection
C	Absorption
D	There is little effect

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Impedance and reactance
B	Voltage and current
C	Electric and magnetic fields
D	Ionizing and non-ionizing radiation

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	Sporadic E
B	Backscatter
C	Gray-line propagation
D	D region absorption

16. - T4A09

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

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

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. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Current
B	Resistance
C	Capacitance
D	Voltage

19. - T5B07

Which is equal to 3.525 MHz?

Select	Answer
A	3,525,000 kHz
B	0.003525 kHz
C	3525 kHz
D	35.25 kHz

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Capacitance
B	Inductance
C	Resistance
D	Admittance

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	0.2 volts
B	12 volts
C	8 volts
D	20 volts

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Diode
B	Inductor
C	Varistor
D	Capacitor

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Anode and cathode
B	Gate and base
C	Source and drain
D	Plus and minus

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Transistor
B	Resistor
C	Ground symbol
D	Lamp

25. - T6D06

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

Select	Answer
A	Transistor
B	Transformer
C	Diode
D	Variable capacitor

26. - T7A02

What is a transceiver?

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

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Switch the transmitter from FM to SSB
B	Block the interfering signal with a filter on the amateur transmitter
C	Switch the transmitter to a narrow-band mode
D	Block the amateur signal with a filter at the antenna input of the affected receiver

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Directional wattmeter
B	Voltmeter
C	Ohmmeter
D	Iambic pentameter

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

Select	Answer
A	In parallel
B	In series
C	In quadrature
D	In phase

30. - T8A08

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

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

31. - T8B04

What mode of transmission is commonly used by amateur radio satellites?

Select	Answer
A	All these choices are correct
B	SSB
C	CW/data
D	FM

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	D-STAR
B	DMR
C	EchoLink
D	IRLP

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	A wide-bandwidth digital voice mode employing DMR protocols
B	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
C	An internet linking protocol used to network repeaters
D	A satellite communications network using modified commercial satellite TV hardware

34. - T9A03

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

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

35. - T9B06

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

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

Figure T-1